-
- Downstream Interface Configuration
- Upstream Interface Configuration
- DOCSIS Interface and Fiber Node Configuration
- DOCSIS Load Balancing Groups
- DOCSIS Load Balancing Movements
- DOCSIS 3.0 Downstream Bonding
- DOCSIS 2.0 A-TDMA Modulation Profiles
- Downstream Resiliency Bonding Group
- Downstream Channel ID Assignment
- Upstream Channel Bonding
- Spectrum Management and Advanced Spectrum Management
- Upstream Scheduler Mode
- Generic Routing Encapsulation
- Transparent LAN Service over Cable
- Downgrading Channel Bonding in Battery Backup Mode
- Energy Management Mode
- Upstream Bonding Support for D-PON
-
- IP Access Control Lists
- Creating an IP Access List and Applying It to an Interface
- Creating an IP Access List to Filter IP Options, TCP Flags, Noncontiguous Ports
- Refining an IP Access List
- IP Named Access Control Lists
- IPv4 ACL Chaining Support
- IPv6 ACL Chaining with a Common ACL
- Commented IP Access List Entries
- Standard IP Access List Logging
- IP Access List Entry Sequence Numbering
- ACL IP Options Selective Drop
- ACL Syslog Correlation
- IPv6 Access Control Lists
- IPv6 Template ACL
- IPv6 ACL Extensions for Hop by Hop Filtering
-
- Call Home
- SNMP Support over VPNs—Context-Based Access Control
- SNMP Cache Engine Enhancement
- Onboard Failure Logging
- Control Point Discovery
- IPDR Streaming Protocol
- Usage-Based Billing (SAMIS)
- Frequency Allocation Information for the Cisco CMTS Routers
- Flap List Troubleshooting
- Maximum CPE and Host Parameters
- SNMP Background Synchronization
- Online Offline Diagnostics
- Index
- Hardware Compatibility Matrix for Cisco cBR Series Routers
- Prerequisites for DOCSIS Load Balancing Groups
- Restrictions for DOCSIS Load Balancing Groups
- Information About DOCSIS Load Balancing Groups
- How to Configure DOCSIS Load Balancing Groups
- Configuration Examples for DOCSIS Load Balancing Groups
- Verifying DOCSIS Load Balancing Groups
- Additional References
- Feature Information for DOCSIS Load Balancing Groups
DOCSIS Load
Balancing Groups
First Published: April 11, 2015
Support for the restricted load balancing group (RLBG)/general load balancing group (GLBG) is based on DOCSIS 3.0 specifications.
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest feature information and caveats, see the release notes for your platform and software release. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the Feature Information Table at the end of this document.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to http://tools.cisco.com/ITDIT/CFN/. An account on http://www.cisco.com/ is not required.
Contents
- Hardware Compatibility Matrix for Cisco cBR Series Routers
- Prerequisites for DOCSIS Load Balancing Groups
- Restrictions for DOCSIS Load Balancing Groups
- Information About DOCSIS Load Balancing Groups
- How to Configure DOCSIS Load Balancing Groups
- Configuration Examples for DOCSIS Load Balancing Groups
- Verifying DOCSIS Load Balancing Groups
- Additional References
- Feature Information for DOCSIS Load Balancing Groups
Hardware Compatibility Matrix for Cisco cBR Series Routers
Note | The hardware components introduced in a given Cisco IOS-XE Release are supported in all subsequent releases unless otherwise specified. |
Cisco CMTS Platform |
Processor Engine |
Interface Cards |
---|---|---|
Cisco cBR-8 Converged Broadband Router |
Cisco IOS-XE Release 3.15.0S and Later Releases Cisco cBR-8 Supervisor:
|
Cisco IOS-XE Release 3.15.0S and Later Releases Cisco cBR-8 CCAP Line Cards: Cisco cBR-8 Downstream PHY Modules: Cisco cBR-8 Upstream PHY Modules: |
Prerequisites for DOCSIS Load Balancing Groups
DOCSIS Load Balancing Groups including Restricted/General Load Balancing groups with Downstream Dynamic Load Balancing feature has the following prerequisites:
- A RLBG and a DOCSIS 2.0 GLBG should have a load balancing group (LBG) ID.
- A LBG should have a default policy ID.
- During registration, a cable modem (CM) that has been assigned to a LBG must also be assigned a policy ID and priority, through Simple Network Management Protocol (SNMP), the cable modem configuration file, or Cisco Cable Modem Termination System (CMTS) configuration.
- The cable modem must send service type identifier (STID), service class name, and DOCSIS version and capability type/length/value (TLV) settings to the Cisco CMTS for registration if the fields are used by general tagging.
Restrictions for DOCSIS Load Balancing Groups
The DOCSIS Load Balancing Groups (LBG) including RLBG/GLBG Support with DLB Support feature has the following restrictions:
- A maximum of 256 DOCSIS policies and 256 rules per chassis are supported.
- Cross-line card (LC) configuration or moving of cable modems is not supported.
-
When deployed with channel restriction features, if the target upstream channel attribute masks are against that of the cable modem, then the cable modem on the higher load upstream will not be load balanced, as the current load balancing moves cable modems only to the target upstream. However, cable modems that do not have an attribute mask can still be load balanced. You should consider the following while deploying the load balancing groups: the target upstream will always be the upstream that has the lowest load. If some other upstreams have the same load, the upstream with the lowest index will be chosen as the target upstream.
- We recommend all LBGs that share channels must use the same LB method.
The DOCSIS LBG with RLBG/GLBG Support and DLB Support feature have the following cross functional restrictions:
- Cable modems operating in the multiple transmit channel (MTC) mode do not register for a RLBG assignment, even if their configuration file contains relevant TLVs, such as STID and LBG ID. However, cable modems operating in the multiple receive channel (MRC) can register for a RLBG assignment.
- The Cisco CMTS can parse a specific TLV encoded in cable modem configuration file, and prohibit any DCC operation on the cable modems.
- DOCSIS MAC domain downstream service group (MD-DS-SG) channels in MDD messages are incorrect when a combination of channels from multiple line card types are placed in the same fiber node.
In a complex fiber node setup, with channels from more than one line card, or downstream channels of one MAC domain in more than one fiber node, some modems may not come w-online (wideband online). If a MAC domain has more than one MD-DS-SG, the MDD will contain more than one MD-DS-SG and cause the modem to perform downstream ambiguity resolution. When the modem analyzes the downstream channels from the other line card, it will not see MDD packets and disqualify the channel and the MD-DS-SG. The modem then sends a requested MD-DS-SG of 0 to the CMTS implying it will not participate in a bonding group.
Use the show cable mac-domain downstream-service-group command to see the channels in the same MD-DS-SG.
The DOCSIS LBG with RLBG/GLBG Support and DLB Support feature have the following scaling limitations:
- The total number of RLBGs and DOCSIS 2.0 GLBGs cannot exceed 256.
- The total number of tags in a Cisco CMTS cannot exceed 256.
- The total number of DOCSIS 3.0 GLBGs is bounded by free memory.
- A cable modem reset occurs if a CM moves from one cable interface to another because DCC init-tech 0 resets a cable modem during a LB move. A cable modem also resets if the two cable interfaces have been configured with a mismatched cable ip-init command.
Information About DOCSIS Load Balancing Groups
The DOCSIS 2.0 “Autonomous Load Balancing” specification is CM-centric, allowing a channel (US or DS) to be part of multiple RLBGs. Therefore, with the DOCSIS 2.0 specifications, you can decide on which channel the CM can be load balanced.
To configure the Restricted/General Load Balancing and Narrowband Dynamic Bandwidth Sharing with Downstream Dynamic Load Balancing feature, you should understand the following concepts:
- Service-Based Load Balancing
- RLBG/GLBG Assignment
- Upstream Load Balancing for DOCSIS 3.0 Cable Modems in Single Upstream Mode
- Auto-generate DOCSIS 2.0 GLBG
- Independent Upstream/Downstream Throughput Rules
Service-Based Load Balancing
Using the DOCSIS 3.0 modem-based load balancing specifications, you can manage the LB activity on a per-modem basis as follows:
- Modem to RLBG association through STID
- Modem to RLBG association through LBG ID
- Per-modem LB policy assignment
- Per-modem LB priority assignment
- Per-modem channel restriction
Implementing the DOCSIS 3.0 modem-based LB specifications enables the Cisco CMTS to provide an advanced service-based LB. The service-based LB can be used to alleviate the burden for the modem-based provisioning and provide the operator an ability to selectively control LB activity based on modem service type. For example, for LB purposes modems can be classified based on:
The results of the classification can then be used to selectively control the modem LB activity by mapping the modem to the following settings:
- LBG
- Policy
With the service-based LB enabled, existing service-based cable modem segregation features and channel restriction become special cases and can be handled within the same LB framework.
Functionality
The Cisco CMTS functions in the following ways for general tagging and service-based LB:
- The Cisco CMTS can classify some modems with user-defined modem classifiers using the STID, service class name, DOCSIS version and capability TLVs and MAC Organization Unique Identifier (OUI).
- Each modem classifier has a unique tag. The Cisco CMTS allows each modem to carry one tag. When multiple tags match one cable modem, the tag that has the least index gets applied on the cable modems.
- The Cisco CMTS classifies a CM and assigns a tag, and if a RLBG with that tag is configured, the CM gets assigned to that RLBG.
- The Cisco CMTS can match multiple tags to a RLBG and a DOCSIS policy.
- On the Cisco CMTS, a user can configure whether the general tagging overrides the RLBG or DOCSIS policy assignment using TLVs in the CM configuration file and SNMP when a conflict occurs.
- When doing autonomous LB, the Cisco CMTS ensures that the target channels are available to a specific CM with regard to admission control, the SF attribute masks, and CM attribute masks.
- The user can configure the number of times that a DCC fails a CM before the CM is removed from dynamic LB on the Cisco CMTS.
- The user can configure DCC initialization techniques or whether to use Upstream Channel Change (UCC) for a LBG or for a particular source and target pair on the Cisco CMTS. However, DCC is not issued to cable modems provisioned in DOCSIS 1.0 mode. By default, the UCC for a LBG is not configured and therefore, all channel changes are done through DCC.
- The Cisco CMTS supports LB on at least one logical channel on a physical US channel that has multiple logical US channels.
- As per the DOCSIS 3.0 specifications, a lower load balancing priority indicates a higher likelihood that a CM will be moved due to load balancing operations.
- You can create a policy to set the lower bandwidth for CMs. the LBG can only move cable modems with throughput that is above the threshold.
Compatibility
Both downstream and upstream autonomous load balancing is supported for single channel cable modems.
RLBG/GLBG Assignment
The user can configure one or more service type IDs for each RLBG. The user can also configure the Cisco CMTS, using CLI or SNMP, to restrict a particular cable modem to a certain STID and RLBG ID. However, if such a configuration is made, both the STID and RLBG ID in the configuration file are ignored by the Cisco CMTS.
When the STID is configured by CLI or SNMP or the STID is present in the cable modem configuration file, the Cisco CMTS selects an upstream and downstream channel, which offers the signaled service type, from a RLBG, if such channels exist. However, if an upstream and downstream channel do not exist that provide the signaled service type the Cisco CMTS assigns an upstream and downstream channel that does not offer the signaled service type.
When the LBG ID is configured by CLI or SNMP or the LBG ID is present in the cable modem configuration file, the Cisco CMTS examines the available choices for upstream and downstream channels and, if they include a channel pair associated with the signaled LBG, the Cisco CMTS assigns the cable modem to the signaled LBG. If these conditions are not met, the Cisco CMTS disregards the LBG ID.
If there are multiple upstream and downstream channels available that meet the requirements of the STID, if present, and the LBG ID, if present, the Cisco CMTS selects an upstream and/or downstream channel that meet the cable modem required and forbidden attribute masks requested in the configuration file. If upstream and downstream channels are not available that meet these criteria, the Cisco CMTS can disregard the cable modem attribute masks and select an alternative upstream and/or downstream channel.
In determining a target channel pair for a cable modem during registration time, the Cisco CMTS tries to find the target channel pair that can actually reach the cable modem by checking the current channel pair, the MD-DS-SG-ID (Media Access Control Domain Downstream Service Group Identifier) of cable modem (CM-DS-SG-ID) and the MD-US-SG-ID (Media Access Control Domain Upstream Service Group Identifier) of cable modem (CM-US-SG-ID), if present, and fiber node (FN) configurations. If the target channel pair is available to the cable modem and is different from the current channel pair, the Cisco CMTS is required to move the CM by means of DCC technique 0 or downstream frequency override (DFO).
When the Cisco CMTS identifies multiple candidate RLBGs for a CM, but cannot determine which fiber node configuration the cable modem is actually wired to, or cannot determine if the wired RLBG is unusable (when interfaces in the load balance group are disabled or in an administratively down state), the Cisco CMTS assigns the cable modem to the RLBG with the lowest group index. This assignment causes the Cisco CMTS to attempt to move the cable modem to interfaces it is not physically connected to, resulting in service outages for the CM.
The Cisco CMTS enforces fiber node checking during RLBG assignment.
The Cisco CMTS follows the following RLBG assignment rules:
- If there is no fiber node configuration, there is no change in the candidate RLBG list. However, if the fiber node is configured, the fiber node must be configured correctly to reflect the real fiber node connection.
- If the cable modem is inside a fiber node, only those RLBGs that are inside that fiber node are selected.
- If the cable modem is not inside any fiber node, that is, the fiber node configuration does not cover all the channels, only those RLBGs that are not inside any fiber node are selected.
- If an RLBG spans across multiple fiber nodes, it is not considered to be inside any fiber node.
- If no candidate RLBG is found, cable modems are assigned to the GLBG, if the GLBG exists.
Channel Assignment
For cable modems operating in MRC mode, the registration request message can have multiple TLVs to influence the selection of upstream and downstream channels that the Cisco CMTS assigns. To avoid conflicts between the multiple TLVs, the Cisco CMTS follows the precedence order defined below:
- TLV 56—Channel Assignment
- TLV 43.11—Service Type Identifier
- TLV 43.3—Load Balancing Group ID
- TLVs 24/25.31-33—Service Flow Attribute Masks
- TLV 43.9—CM Attribute Masks
The Cisco CMTS must follow this TLV precedence order for cable modems not operating in MRC mode:
- TLV 43.11—Service Type Identifier
- TLV 43.3—Load Balancing Group ID
- TLV 43.9—CM Attribute Masks
- TLVs 24/25.31-33—Service Flow Attribute Masks
Note | When a target for the new receive channel configuration (RCC) and Transmit channel configuration (TCC) is selected, ensure that the service level for cable modems is not decreased. Target total RCCs and TCCs must not be less than the source total RCCs and TCCs so that cable modems can keep their service level unchanged. This may cause some unbalanced results when high capacity cable modems come online, later releases.. |
The Cisco CMTS also considers the DOCSIS 3.0 cable modem capabilities defined in the registration request message and assigns the maximum number of channels that the CM requests.
The tables below define the load balancing matrix for RLBG and GLBG assignment:
Operational Mode |
MAC Version |
||||
---|---|---|---|---|---|
DOCSIS 3.0 CM |
DOCSIS 2.x CM |
DOCSIS 2.0 CM |
DOCSIS 1.1 CM |
DOCSIS 1.0 CM |
|
Non-MRC mode (online) |
Assigned |
Assigned |
Assigned |
Assigned |
Assigned |
MRC mode only (w-online) |
Assigned |
Assigned |
Assigned |
NA |
NA |
MRC/MTC mode (UB-online) |
Assigned |
NA |
NA |
NA |
NA |
DOCSIS 3.0 cable modems are assigned to the DOCSIS 3.0 RLBG |
NA |
NA |
NA |
NA |
Operational Mode |
MAC Version |
||||
---|---|---|---|---|---|
DOCSIS 3.0 CM |
DOCSIS 2.x CM |
DOCSIS 2.0 CM |
DOCSIS 1.1 CM |
DOCSIS 1.0 CM |
|
Non-MRC mode (online) |
Assigned to the DOCSIS 2.0 GLBG without MD-DS-SG-ID/MD-US-SG-ID |
||||
Assigned to the DOCSIS 3.0 GLBG with MD-DS-SG-ID/MD-US-SG-ID |
NA |
NA |
NA |
||
MRC mode only (w-online) |
Assigned to the DOCSIS 2.0 GLBG without MD-DS-SG-ID/MD-US-SG-ID |
||||
Assigned to the DOCSIS 3.0 GLBG with MD-DS-SG-ID/MD-US-SG-ID |
NA |
NA |
NA |
||
MRC/MTC mode (UB-online) |
Assigned |
NA |
NA |
NA |
NA |
DOCSIS 3.0 cable modems are assigned to the DOCSIS 3.0 GLBG |
NA |
NA |
NA |
NA |
The tables below give a snapshot view of the load balancing methods and the operations used to "move" bonded and non-bonded CMs.
Modem Mode |
Dynamic Service Charge (Initialization Technique) |
|||
---|---|---|---|---|
|
Within MAC Domain |
Across MAC Domains |
||
DOCSIS 3.0 cable modems in MTC mode |
NA |
DCC initialization technique 0 |
||
DOCSIS 3.0/DOCSIS 2.x cable modems in MRC-only mode |
DCC initialization technique 0
|
DCC initialization technique 0 |
||
DOCSIS 3.0 cable modems in MRC-only mode |
DCC
|
DCC initialization technique 0 |
||
DOCSIS 2.x cable modems in MRC-only mode |
DCC/UCC
|
DCC initialization technique 0 |
||
DOCSIS 2.0 /DOCSIS 1.1 cable modems in NB mode |
DCC
|
DCC initialization technique 0 |
||
UCC
|
UCC |
|||
DOCSIS 1.0 in NB mode |
Force reinitialize CM
|
Force reinitialize CM |
||
UCC
|
UCC |
Channel |
CM in MRC, non-MTC Mode |
DOCSIS 1.1/DOCSIS 2.0 cable modems with Single US/DS |
DOCSIS 1.0 cable modems with Single US/DS |
---|---|---|---|
Upstream (US) |
DCC |
DCC |
UCC |
Downstream (DS) |
NA (within the same MAC domain) |
DCC (within the same MAC domain). |
Force reinitialize CM |
DCC with initialization technique 0 when moving cable modems across MAC domains. |
DCC with initialization technique 0 when moving cable modems across MAC domains. |
Force reinitialize CM |
Error Handling of Channel Assignment
This restriction is modified. As long as the interface state of the channels is not "administratively down", all channels are available for LBG assignment. For other load balancing operations, such as moving modems using DCC, UCC, or DBC, the interface state of the channels should be in "initial", "up", "suspicious", or "testing" states.
The following conditions apply when an LBG is disabled:
Upstream Load Balancing for DOCSIS 3.0 Cable Modems in Single Upstream Mode
The upstream load balancing functionality enables the Cisco CMTS router to effectively handle upstream traffic for wideband and narrowband cable modems that are in single upstream mode. Single upstream mode (Mx1) means that the modems cannot send upstream traffic on multiple upstream channels. In the event of traffic overload on a single upstream channel of a wideband or narrowband cable modem, the Cisco CMTS router automatically moves the cable modem to another upstream channel in the same load balancing group.
Note | A cable modem operating in single upstream mode is assigned to a load balancing group based on the primary channel of the modem. A cable modem in single upstream mode can support multiple receive channel (MRC) mode or narrowband mode. However, a cable modem in single upstream mode cannot support multiple transmit channel mode (MTC). |
Auto-generate DOCSIS 2.0 GLBG
Cisco CMTS does not automatically implement DOCSIS 2.0 GLBG. DOCSIS 2.0 GLBG is configured manually after a new fiber node - MAC domain (FN-MD) pair is added.
This enhancement to automatically generate DOCSIS 2.0 GLBG after adding a new FN-MD pair and resolving a new combination of MAC domain, cable modem, and service group (MD-CM-SG). This enhancement is implemented through a new command cable load-balance d20 GLBG auto-generate. The command has options to renew and update DOCSIS 2.0 GLBGs for a fiber node configuration.
Independent Upstream/Downstream Throughput Rules
Currently, during upstream or downstream load balancing, to move modems in load balancing operations, Cisco CMTS applies the DOCSIS policy throughput rules to both upstream and downstream throughput to upstream or downstream load balancing operations. In other words, for downstream load balancing, both upstream and downstream sets of rules are applied and similarly for upstream load balancing both set of rules are applied. This prevents movement of modems with low upstream or high downstream throughput and high upstream or low downstream throughput.
Upstream or downstream throughput rules are checked independently to corresponding upstream or downstream load balancing operations. During upstream load balancing, only upstream throughput rules are checked, and during downstream load balancing, only downstream throughput rules are checked.
The following important points are implemented for independent upstream/downstream throughput rules:
- If a load balancing operation involves a change only in the downstream channel of a cable modem without any change to the upstream channel, then only the downstream lower boundary rules are checked.
- If a load balancing operation involves a change only in the upstream channel of a cable modem without any change to the downstream channel, then only the upstream lower boundary rules are checked.
- If a load balancing operation involves a change in both the upstream and downstream channels of a cable modem, then the modem rule check must pass all the rules for that (upstream or downstream) load balancing.
- If the load balancing policy configured is pure-ds-load, then only the downstream rules are checked.
- If the load
balancing policy configured is
us-across-ds
or both
us-across-ds
and
pure-ds-load,
then two types of target interfaces occur as follows:
- Local interface—where the cable modem shares the upstream with the source. Only downstream load balancing operation occurs.
- Remote interface—where the the cable modem does not share the upstream with the source. The upstream/downstream load balancing is triggered by upstream load.
If the load balancing policy configured is neither us-across-ds nor pure-ds-load, then the load balancing is done based on Mac domain load.
How to Configure DOCSIS Load Balancing Groups
The Restricted/General Load Balancing and Narrowband Dynamic Bandwidth Sharing with Downstream Dynamic Load Balancing feature can be configured as follows:
- A user can configure a DOCSIS 2.0 general load balancing group (GLBG) on the Cisco CMTS according to DOCSIS specification. The Cisco CMTS creates a DOCSIS 3.0 GLBG for each Media Access Control Domain Cable Modem Service Group (MD-CM-SG) automatically and checks whether the GLBG contains both upstream and downstream channels.
- A cable modem that is not provisioned to any RLBG and cannot resolve its MD-CM-SG gets assigned to a DOCSIS 2.0 GLBG. However, if the cable modem resolves its MD-CM-SG, it gets assigned to a DOCSIS 3.0 GLBG.
- A user can configure RLBGs and any upstream or downstream channel into multiple RLBGs on the Cisco CMTS. The Cisco CMTS checks whether a RLBG contains both upstream and downstream channels. A RLBG can cross multiple MDs.
- A backward compatibility with existing Cisco LB schemes is maintained. The users can switch between the old and new DOCSIS 3.0 compliant LB schemes.
Note | When the Cisco IOS system is upgraded, if the docsis-policy configuration of the DOCSIS load balancing groups, is missing in the output of the show running-config command, apply the docsis-policy to the DOCSIS load balancing groups using the docsis-policy policy-id command again. |
The following sections describe how to create and configure DOCSIS load balancing groups to enable DOCSIS load balancing on the Cisco CMTS:
- Configuring DOCSIS 3.0 and 2.0 RLBG and DOCSIS 2.0 GLBG
- Configuring DOCSIS 3.0 GLBG
- Configuring Cable Modems to RLBG or a Service Type ID
- Configuring Rules and Policies
- Configuring Load Balancing Parameter for a Cable Modem Movement Failure
- Creating and Configuring TLV type Tag
Configuring DOCSIS 3.0 and 2.0 RLBG and DOCSIS 2.0 GLBG
This section describes how to create and configure a DOCSIS load balancing group. There is a separate configuration mode for a DOCSIS load balancing group that is different from the legacy load balancing group.
Note | UGS/PCMM policy and threshold do not apply on DOCSIS 3.0 LB. |
Configuring DOCSIS 3.0 GLBG
The following sections describe how to configure a DOCSIS 3.0 GLBG and also how to configure default values of DOCSIS 3.0 certification for the DOCSIS 3.0 general group:
Note | If a Cable interface on the line card is in "no shut down" state, the associated DOCSIS 3.0 GLBGs are restored in the running-configuration. |
- Configuring a DOCSIS 3.0 General Load Balancing Group
- Configuring Default Values of DOCSIS 3.0 Load Balancing Group
Configuring a DOCSIS 3.0 General Load Balancing Group
This section describes how to configure a DOCSIS 3.0 general load balancing group.
Command or Action | Purpose | |
---|---|---|
Step 1 | enable
Example: Router> enable |
Enables privileged EXEC mode. |
Step 2 | configure
terminal
Example: Router# configure terminal |
Enters global configuration mode. |
Step 3 | cable
load-balance
docsis-enable
Example: Router(config)# cable load-balance docsis-enable |
Enables DOCSIS load balancing on the Cisco CMTS. |
Step 4 | cable
load-balance
docsis-group
FN
fn-id
MD
cable
{slot/subslot/port
|
slot/port}
Example: Router(config)# cable load-balance docsis-group FN 1 MD c5/0/0 |
Enters the DOCSIS load balancing group configuration mode. |
Step 5 | init-tech-list
tech-list
[ucc]
Example: Router(config-lb-group)# init-tech-list 1 ucc |
Sets the DCC initialization technique list, with the following parameters. |
Step 6 | disable
Example: Router(config-lb-group)# disable |
Disables the load balance group. |
Step 7 | docsis-policy
policy-id
Example: Router(config-lb-group)# docsis-policy 0 |
Sets the load balance group policy. |
Step 8 | interval
1-1000
Example: Router(config-lb-group)# interval 10 |
Sets the interface polling interval. |
Step 9 | method
{modems |
service-flows |
utilization} {us-method
{modems |
service-flows |
utilization}}
Example: Router(config-lb-group)# method modems us-method modems |
Sets the load balancing type or method. |
Step 10 | policy
{pcmm |
ugs |
us-across-ds |
pure-ds-load}
Example: Router(config-lb-group)# policy us-across-ds |
Sets load balancing policy. |
Step 11 | threshold
{load
{minimum
1-100 |
1-100} |
pcmm
1-100 |
stability
0-100 |
ugs
1-100}
Example: Router(config-lb-group)# threshold pcmm 70 |
Sets the load balancing threshold in percentage. |
Step 12 | exit
Example: Router# exit |
Exits the DOCSIS load balancing group configuration mode. |
Configuring Default Values of DOCSIS 3.0 Load Balancing Group
This section describes how to configure default values of DOCSIS 3.0 certification for a DOCSIS 3.0 general group on the Cisco CMTS. A DOCSIS 3.0 general group is automatically created for each MD-CM-SG derived from the fiber node (FN) configuration, and the group parameters are set as default values.
Note | The configured default values of DOCSIS 3.0 certification are applicable to the new automatically created DOCSIS 3.0 GLBGs and do not affect the existing DOCSIS 3.0 GLBGs. When a DOCSIS 3.0 GLBG is removed and recreated, its group parameters do not change. |
Note | The default settings for interface polling interval, load balancing method, policy for modems selection, and threshold usage in percent, can be configured for DOCSIS 3.0 general group. For more information, see the Cisco CMTS Cable Command Reference. |
Command or Action | Purpose | |
---|---|---|
Step 1 | enable
Example: Router> enable |
Enables privileged EXEC mode. |
Step 2 | configure
terminal
Example: Router# configure terminal |
Enters global configuration mode. |
Step 3 | cable
load-balance
d30-ggrp-default
disable
Example: Router(config)# cable load-balance d30-ggrp-default disable |
Disables the default values of the DOCSIS 3.0 general load balance group (GLBG). |
Step 4 | cable
load-balance
d30-ggrp-default
init-tech-list
tech-list
Example: Router(config)# cable load-balance d30-ggrp-default init-tech-list 1 |
Sets the default DOCSIS 3.0 GLBGs DCC and dynamic bonding change (DBC) initialization techniques. |
Step 5 | cable
load-balance
d30-ggrp-default
docsis-policy
0-0xffffffff
Example: Router(config)# cable load-balance d30-ggrp-default docsis-policy 2 |
Sets the default DOCSIS 3.0 GLBGs policy ID. |
Step 6 | exit
Example: Router# exit |
Exits the global configuration mode. |
Configuring Cable Modems to RLBG or a Service Type ID
This section shows how to configure a list of cable modems that are statically provisioned at the Cisco CMTS to a RLBG or a service type ID.
Command or Action | Purpose | |
---|---|---|
Step 1 | enable
Example: Router> enable |
Enables privileged EXEC mode. |
Step 2 | configure
terminal
Example: Router# configure terminal |
Enters global configuration mode. |
Step 3 | cable
load-balance
restrict
modem
index
mac-addr
[mac-mask]
{docsis-group
docsis-group-id
|
service-type-id
string}
Example: Router(config)# cable load-balance restrict modem 1 001a.c30c.7eee FFFF.FFFF.0000 docsis-group 100 |
Assigns a modem or a group of modems with a common MAC mask to a load balancing group or a service type ID. |
Step 4 | exit
Example: Router# exit |
Exits the global configuration mode. |
Configuring Rules and Policies
This section shows how to create and configure rules and DOCSIS policies to restrict the movement of modems during load balancing. Rules determine whether a modem can be moved and during which time periods. The time periods are measured in seconds with the start time being an offset from midnight measured in seconds. Rules are created individually and can be combined into policies. The user is able to create DOCSIS policies that consist of one or more rules. When more than one rule is part of a DOCSIS policy, all rules apply. Each group has a default DOCSIS policy.
Command or Action | Purpose | |||
---|---|---|---|---|
Step 1 | enable
Example: Router> enable |
Enables privileged EXEC mode. | ||
Step 2 | configure
terminal
Example: Router# configure terminal |
Enters global configuration mode. | ||
Step 3 | cable
load-balance
rule
rule-id
Example: Router(config)# cable load-balance rule 1 |
Creates a rule to prevent the modem from being moved. | ||
Step 4 | cable
load-balance
rule rule-id
{enabled |
disabled | {disable-period
dis-start
0-86400
dis-period
<0-86400>}
|
disable-throughput-lowerbound
ds
|
us
thrupt
in
kbps |
vdoc-enabled}
Example: Router(config)# cable load-balance rule 1 disable-period dis-start 40 dis-period 50 |
Configures the rule.
| ||
Step 5 | cable
load-balance
docsis-policy
policy-id
rule
rule-id
Example: Router(config)# cable load-balance docsis-policy 2 rule 1 |
Associates a particular rule with the DOCSIS policy with the following parameters: | ||
Step 6 | exit
Example: Router# exit |
Exits the global configuration mode. |
Troubleshooting Tips
Configuring Load Balancing Parameter for a Cable Modem Movement Failure
This section describes how to configure the number of times a CM can fail before the CM is removed from the dynamic load balancing group.
Command or Action | Purpose | |
---|---|---|
Step 1 | enable
Example: Router> enable |
Enables privileged EXEC mode. |
Step 2 | configure
terminal
Example: Router# configure terminal |
Enters global configuration mode. |
Step 3 | cable
load-balance
modem
max-failures
0-100
Example: Router(config)# cable load-balance modem max-failures 10 |
Configures the number of times a CM can fail before the CM is removed from the dynamic load balancing group. |
Step 4 | exit
Example: Router# exit |
Exits the global configuration mode. |
Creating and Configuring TLV type Tag
Cisco IOS Release 12.2(33)SCH introduces the tlv command for TLV type configuration. The tags for TLV type matching rule are created and configured in this section.
Command or Action | Purpose | |
---|---|---|
Step 1 | enable
Example: Router> enable |
Enables privileged EXEC mode. |
Step 2 | configure
terminal
Example: Router# configure terminal |
Enters global configuration mode. |
Step 3 | cable
tag
1-1000
Example: Router(config)# cable tag 1 |
Creates a tag. Enters the cmts-tag configuration mode. |
Step 4 | name
tag
name
Example: Router(cmts-tag)# name CSCO |
Specifies the name of the tag. |
Step 5 | [exclude]
service-type-id
service-type-id
Example: Router(cmts-tag)# service-type-id HSD |
Configures the specified service type ID for the tag. |
Step 6 | [exclude]service-class
service-class-name
Example: Router(cmts-tag)# service-class work |
Configures the specified service class name for the tag. |
Step 7 | [exclude]
docsis-version
docsis
version
Example: Router(cmts-tag)# docsis-version docsis20 |
Configures the specified DOCSIS version of the cable modem for the tag. |
Step 8 | [exclude]
oui
oui
of
CM
Example: Router(cmts-tag)# oui 00.1a.c3 |
Configures the specified OUI of the cable modem for the tag. |
Step 9 | [exclude]
tlv
type
value
Example: Router(cmts-tag)# tlv mrcs 4 |
Configures the specified TLV type for the tag. |
Step 10 | override
Example: Router(cmts-tag)# override |
Overrides the TLV or SNMP during load balancing an RLBG. |
Step 11 | exit
Example: Router(cmts-tag)# exit |
Exits the cmts-tag configuration mode. |
Step 12 | cable
load-balance
docsis-group
docsis-group-id
Example: Router(config)# cable load-balance docsis-group 1 |
Creates a DOCSIS load balancing group on the Cisco CMTS. If the DOCSIS load balancing group is already present, the router enters the specified DOCSIS load balancing group configuration mode. |
Step 13 | tag
tag
name
Example: Router(config-lb-group)# tag CSCO |
Adds a tag to the load balancing group. |
Step 14 | exit
Example: Router(config-lb-group)# exit |
Exits the DOCSIS load balancing group configuration mode. |
Step 15 | cable
load-balance
docsis-policy
policy-id
tag
tag
name
[override]
Example: Router(config)# cable load-balance docsis-policy 2 tag CSCO |
Creates a DOCSIS policy and associates a new rule or an existing rule with the policy. |
Step 16 | exit
Example: Router# exit |
Exits the global configuration mode. |
Configuration Examples for DOCSIS Load Balancing Groups
This section describes a sample configuration example for configuring DOCSIS Load Balancing Groups including Restricted/General Load Balancing and downstream dynamic load balancing:
Example: Configuring a Tag
The following example shows how you can configure the tag to exclude a DOCSIS version, a MAC address, a service class name or a service type ID:
Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)# cable tag 1 Router(cmts-tag)# exclude ? docsis-version set the match rule for docsis version oui set the match rule for oui service-class set the match rule for service class name service-type-id set the match rule for service type id Router(cmts-tag)# exclude docsis-version ? docsis10 Match docsis 1.0 modems docsis11 Match docsis 1.1 modems docsis20 Match docsis 2.0 modems docsis30 Match docsis 3.0 modems Router(cmts-tag)# exclude docsis-version docsis10 Router(cmts-tag)# exclude oui ? WORD OUI of the vendor in the format xx.xx.xx or xx:xx:xx Router(cmts-tag)# exclude oui 00.1a.c3 Router(cmts-tag)# exclude service-class ? WORD Service class name Router(cmts-tag)# exclude service-class work Router(cmts-tag)# exclude service-type-id ? WORD Service Type ID Router(cmts-tag)# exclude service-type-id commercial
Example: Disabling Load Balancing
Use the following commands to disable DOCSIS 3.0 GLBG:
Router(config)# cable load-balance docsis-group FN 1 MD cable 6/0/0 Router(config-lb-group)# disable Router(config-lb-group)#
Use the following commands to disable DOCSIS 3.0 RLBG:
Router(config)# cable load-balance docsis-group 1 Router(config-lb-group)# disable Router(config-lb-group)#
Verifying DOCSIS Load Balancing Groups
This section describes how to use certain show commands to verify the configuration of the Restricted/General Load Balancing and Narrowband Dynamic Bandwidth Sharing with Downstream Dynamic Load Balancing feature.
Command or Action | Purpose | |
---|---|---|
Step 1 | enable
Example: Router> enable |
Enables privileged EXEC mode. |
Step 2 | show
cable
load-balance
docsis-group
{docsis-group-id
|
FN
fn-id
MD
cable
{slot/subslot/port
|
slot/port}} [all
|
load
|
pending |
statistics
|
target |
modem-list
|
primary-load]
Example: Router# show cable load-balance docsis-group 1 Router# show cable load-balance docsis-group fn 1 MD c8/1/4 |
Displays real-time configurational, statistical, and operational information of the load balancing operations on the router. |
Step 3 | show
cable
fiber-node
fiber-node-id
[spectrum]
Example: Router# show cable fiber-node 3 |
Displays information about a fiber node. |
Step 4 | show
cable
load-balance
[group
n]
| [all |
load
|
pending
|
statistics |
target
|
fiber-node-validation]
Example: Router# show cable load-balance group 1 |
Displays real-time statistical and operational information for load balancing operations. If given without any options, this command displays information for the load balancing groups and each cable interface's current load and load balancing status. |
Step 5 | show cable modem
[ip-address |
mac-address |
cable slot/port
[upstream
port ] |
name
fqdn] [verbose]
Example: Router# show cable modem 40.3.160.15 verbose |
Displays information for the registered and unregistered CMs. |
Examples
Use the show cable load-balance docsis-group command to see the DOCSIS group status and to see the list of modems in the group, use the show cable fiber-node command to see the information on fiber nodes, use the show cable load-balance command to see information on LBG and DOCSIS channels, and use the show cable modem command to see the information on all the CMs.
The following examples show the output of the show cable load-balance docsis-group command:
Router# show cable load-balance docsis-group 2 DOCSIS LB Enabled: Yes DOCSIS Group Status Interval DCC mask Policy Method Threshold Group Index /UCC DS/US M/E/U/P/S 2 82 RE 10 0xF8(0)/N 0 s/s 1/1/70/70/50 Router# show cable load-balance docsis-group 1 modem-list US Group Index Mac Address Priority Mo1/0/0:0/U0 81 (1) 0000.ca45.9898 0 Mo1/0/0:0/U1 81 (0) Mo1/0/0:0/U2 81 (2) 0013.711c.0820 0 0016.924f.8300 0
The output of the show cable load-balance docsis-group command is modified to include an additional field MUPFXLR to display more status information on the modems in the DOCSIS groups. For more information, see the Cisco IOS CMTS Cable Command Reference.
The following example shows the modified output of the show cable load-balance docsis-group command:
Router#show cable load docsis-group fn 1 md c6/0/0 modem-list Load for five secs: 1%/0%; one minute: 2%; five minutes: 1% Time source is NTP, 13:39:31.300 PDT Thu Mar 28 2013 Codes: M - Multicast, U - UGS, P - PCMM, F - Max-Failures, X - eXcluded L - L2vpn, R - RSVP Primary DS Grp Idx MAC Address RCC-ID Bad Rfid Priority MUPFXLR In6/0/0:0/UB 40448 (6) e448.c70c.98af 1 2 ------- e448.c70c.9b76 1 2 ------- e448.c70c.9c15 1 2 ------- e448.c70c.9a92 1 2 ------- e448.c70c.99e4 1 2 ------- e448.c70c.9a35 1 2 ------- In6/0/0:0/U0 40448 (0) In6/0/0:0/U1 40448 (1) e448.c70c.9915 2 ------- In6/0/0:0/U2 40448 (0) In6/0/0:0/U3 40448 (0) In6/0/0:1/UB 40448 (5) e448.c70c.9abc 1 2 ------- e448.c70c.993f 1 2 ------- e448.c70c.9927 1 2 ------- e448.c70c.9b82 1 2 ------- 4458.2945.2cb8 1 2 ------- In6/0/0:1/U0 40448 (0) In6/0/0:1/U1 40448 (0) In6/0/0:1/U2 40448 (0) In6/0/0:1/U3 40448 (0) In6/0/0:2/UB 40448 (5) e448.c70c.9759 1 2 ------- e448.c70c.9a0e 1 2 ------- e448.c70c.992d 1 2 ------- e448.c70c.9a38 1 2 ------- 0025.2ed9.9984 1 2 -----L- In6/0/0:2/U0 40448 (0) In6/0/0:2/U1 40448 (0) In6/0/0:2/U2 40448 (0) In6/0/0:2/U3 40448 (0) In6/0/0:3/UB 40448 (5) e448.c70c.9c00 1 2 ------- e448.c70c.99a5 1 2 ------- e448.c70c.9a5f 1 2 ------- e448.c70c.9a3b 1 2 ------- e448.c70c.96b1 1 2 ------- In6/0/0:3/U0 40448 (0) In6/0/0:3/U1 40448 (0) In6/0/0:3/U2 40448 (0) In6/0/0:3/U3 40448 (0)
The following example shows the output of the show cable fiber-node command:
Router# show cable fiber-node Fiber-Node Config Status Fiber-Node 1 Modular-Cable 1/0/0: 0-1 FN Config Status: Configured (status flags = 0x01) MDD Status: Valid
The following examples show the output of the show cable load-balance command:
Router#show cable load-balance Group Interval Method DCC Init Threshold Technique Minimum Static Enforce Ugs PCMM 1 10 service-flows 1 1 2% 2% --- --- 2 10 modems 0 5 10% --- --- --- DOCSIS LB Enabled: No Router# show cable load-balance load Interface State Group Utilization Reserved Modems Flows Weight Index Cable5/0/3 (459 MHz) up 1 0%(0%/0%) 0% 7 7 37 Cable5/0/3/U0 up 1 0% 0% 2 2 1.2 Cable5/0/3/U1 up 1 0% 0% 2 2 1.2 Cable5/0/3/U2 up 1 0% 0% 2 2 1.2 Cable5/0/3/U3 up 1 0% 0% 1 1 1.2 Cable5/0/4 (465 MHz) up 1 0%(0%/0%) 0% 7 7 37 Cable5/0/4/U0 up 1 0% 0% 1 1 1.2 Cable5/0/4/U1 up 1 0% 0% 2 2 1.2 Cable5/0/4/U2 up 1 0% 0% 2 2 1.2 Cable5/0/4/U3 up 1 0% 0% 2 2 1.2 Mo1/0/0:0 (555 MHz) down 1 0%(0%/0%) 0% 0 0 0 Router# show cable load-balance fiber-node-validation DOCSIS LBG ID Match Channel Fiber-node list 1 match Ca5/0/0/U0 {1} Ca5/0/0/U1 {1} Ca5/0/0/U2 {1} Ca5/0/0/U3 {1} Mo1/0/0:0 {1} Mo1/0/0:1 {1} 2 mismatch Ca5/0/0/U0 {1} Ca5/0/0/U1 {1} Ca5/0/0/U2 {1} Ca5/0/0/U3 {1} Ca5/0/0 {}
The following example shows the output of the show cable modem command:
Router# show cable modem 40.3.160.19 verbose LB group ID assigned(index) : 1(81) LB group ID in config file(index) : N/A(N/A) LB policy ID : 0 LB policy ID in config file : 0 LB priority : 0 Tag :
DOCSIS 3.0 GLBG is generated dynamically by the fiber node configuration, if a valid fiber node is configured.
For example, if the fiber node configuration is:
cable fiber-node 2 downstream Modular-Cable 1/0/0 rf-channel 0-3 downstream Cable7/0/0 upstream Cable 7/0 connector 0-3 !
The GLBG generated by this fiber node is similar to:
Router# show cable load-balance docsis-group fn 2 md cable 7/0/0 DOCSIS 3.0 General LB MD FN Group S Intv DCC mask Policy Mtd MD-CM-SG Threshold Index /UCC D/U M/E/U/P/S Ca7/0/0 2 48129 E 30 0xF8(0)/N 0 m/m 0x3C0101 5/10/70/70/50
Router# show cable load-balance docsis-group fn 2 md cable 7/0/0 all DOCSIS 3.0 General LB MD FN Group S Intv DCC mask Policy Mtd MD-CM-SG Threshold Index /UCC D/U M/E/U/P/S Ca7/0/0 2 48129 E 30 0xF8(0)/N 0 m/m 0x3C0101 5/10/70/70/50 Current load: DOCSIS load-balancing load Interface State Group Utilization Rsvd NBCM WB/UB Flows Weight Index Total Total Cable7/0/0 (333 MHz) up 48129 0%(0%/0%) 0% 2 8 7 37 Cable7/0/0/U0 up 48129 0% 0% 22 7 29 7.6 Cable7/0/0/U1 up 48129 0% 0% 21 8 28 7.6 Cable7/0/0/U2 up 48129 0% 0% 21 8 28 7.6 Cable7/0/0/U3 up 48129 0% 0% 20 10 30 7.6 Mo1/0/0:0 (501 MHz) up 48129 0%(0%/0%) 0% 2 63 2 36 Mo1/0/0:0/U0 up 48129 0% 0% 22 7 29 7.6 Mo1/0/0:0/U1 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:0/U2 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:0/U3 up 48129 0% 0% 20 10 30 7.6 Mo1/0/0:1 (507 MHz) up 48129 0%(0%/0%) 0% 1 58 1 36 Mo1/0/0:1/U0 up 48129 0% 0% 22 7 29 7.6 Mo1/0/0:1/U1 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:1/U2 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:1/U3 up 48129 0% 0% 20 10 30 7.6 Mo1/0/0:2 (513 MHz) up 48129 0%(0%/0%) 0% 2 59 2 36 Mo1/0/0:2/U0 up 48129 0% 0% 22 7 29 7.6 Mo1/0/0:2/U1 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:2/U2 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:2/U3 up 48129 0% 0% 20 10 30 7.6 Mo1/0/0:3 (519 MHz) up 48129 0%(0%/0%) 0% 1 61 1 36 Mo1/0/0:3/U0 up 48129 0% 0% 22 7 29 7.6 Mo1/0/0:3/U1 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:3/U2 up 48129 0% 0% 21 8 28 7.6 Mo1/0/0:3/U3 up 48129 0% 0% 20 10 30 7.6 Target assignments: Interface State Group Target Index Cable7/0/0 (333 MHz) up 48129 Cable7/0/0/U0 up 48129 Cable7/0/0/U1 up 48129 Cable7/0/0/U2 up 48129 Cable7/0/0/U3 up 48129 Mo1/0/0:0 (501 MHz) up 48129 Mo1/0/0:1 (507 MHz) Mo1/0/0:0/U0 up 48129 Mo1/0/0:0/U1 up 48129 Mo1/0/0:0/U2 up 48129 Mo1/0/0:0/U3 up 48129 Mo1/0/0:1 (507 MHz) up 48129 Mo1/0/0:1/U0 up 48129 Mo1/0/0:1/U1 up 48129 Mo1/0/0:1/U2 up 48129 Mo1/0/0:1/U3 up 48129 Mo1/0/0:2 (513 MHz) up 48129 Mo1/0/0:2/U0 up 48129 Mo1/0/0:2/U1 up 48129 Mo1/0/0:2/U2 up 48129 Mo1/0/0:2/U3 up 48129 Mo1/0/0:3 (519 MHz) up 48129 Mo1/0/0:3/U0 up 48129 Mo1/0/0:3/U1 up 48129 Mo1/0/0:3/U2 up 48129 Mo1/0/0:3/U3 up 48129 Statistics: Target interface State Transfers Complete Pending Retries Failures Cable7/0/0 (333 MHz) up 8 0 0 0 Cable7/0/0/U0 up 30 0 0 0 Cable7/0/0/U1 up 83 0 0 0 Cable7/0/0/U2 up 48 0 0 0 Cable7/0/0/U3 up 34 0 0 0 Mo1/0/0:0 (501 MHz) up 19 0 0 0 Mo1/0/0:0/U0 up 33 0 0 0 Mo1/0/0:0/U1 up 46 0 0 0 Mo1/0/0:0/U2 up 22 0 0 0 Mo1/0/0:0/U3 up 22 0 0 0 Mo1/0/0:1 (507 MHz) up 22 0 0 0 Mo1/0/0:1/U0 up 9 0 0 0 Mo1/0/0:1/U1 up 19 0 0 0 Mo1/0/0:1/U2 up 15 0 0 0 Mo1/0/0:1/U3 up 21 0 0 0 Mo1/0/0:2 (513 MHz) up 21 0 0 0 Mo1/0/0:2/U0 up 4 0 0 0 Mo1/0/0:2/U1 up 3 0 0 0 Mo1/0/0:2/U2 up 6 0 0 0 Mo1/0/0:2/U3 up 7 0 0 0 Mo1/0/0:3 (519 MHz) up 9 0 0 0 Mo1/0/0:3/U0 up 1 0 0 0 Mo1/0/0:3/U1 up 2 0 0 0 Mo1/0/0:3/U2 up 4 0 0 0 Mo1/0/0:3/U3 up 4 0 0 0 Pending: Modem Grp Idx Primary RF/RCC MD/TCS Action Active Retries Src Target Src Target Time
Additional References
Technical Assistance
Description | Link |
---|---|
The Cisco Support website provides extensive online resources, including documentation and tools for troubleshooting and resolving technical issues with Cisco products and technologies. To receive security and technical information about your products, you can subscribe to various services, such as the Product Alert Tool (accessed from Field Notices), the Cisco Technical Services Newsletter, and Really Simple Syndication (RSS) Feeds. Access to most tools on the Cisco Support website requires a Cisco.com user ID and password. |
Feature Information for DOCSIS Load Balancing Groups
Use Cisco Feature Navigator to find information about platform support and software image support. Cisco Feature Navigator enables you to determine which software images support a specific software release, feature set, or platform. To access Cisco Feature Navigator, go to http://tools.cisco.com/ITDIT/CFN/. An account on http://www.cisco.com/ is not required.
Note | The below table lists only the software release that introduced support for a given feature in a given software release train. Unless noted otherwise, subsequent releases of that software release train also support that feature. |
Feature Name |
Releases |
Feature Information |
---|---|---|
DOCSIS Load Balancing Groups |
Cisco IOS-XE 3.15.0S |
This feature was introduced on the Cisco cBR Series Converged Broadband Router. |