Traffic Monitoring Commands

This module describes the Cisco IOS XR Software commands to monitor traffic on the router.

For detailed information about monitoring packet drops concepts, configuration tasks, and examples, see the Traffic Monitoring chapter in the System Monitoring Configuration Guide for Cisco 8000 Series Routers.

hw-module profile packet-loss-alert

To enable log message alerts for traffic-impacting NPU interrupts, use the hw-module profile packet-loss-alert command in the XR Config mode.

hw-module profile packet-loss-alert { 3Min | | 5Min }

Syntax Description

3Min

Specifies a 3 minute duration of packet loss to begin generating log messages. There are atleast 10 error interrupts per minute.
5Min

Specifies a 5 minute duration of packet loss to begin generating log messages. There are atleast 10 error interrupts per minute.

Command Default

This feature is disabled by default.

Command Modes

XR Config mode

Command History

Release Modification
Release 24.1.1

This command was introduced

Usage Guidelines

Only line cards and routers with the Q100, Q200, P100 or G100 based Silicon One ASIC support this feature

Task ID

Task ID Operation
profile read, write

Example

Execute the hw-module profile packet-loss-alert command to enable system log alerts for packet loss: 

Router# configure
Router(config)# hw-module profile packet-loss-alert 3Min 
Router(config)# commit

show drops all

To display the packet drops, use the show drops all command in the XR EXEC mode.

show drops all { commands location | location | ongoing location } { node-id | all }

Syntax Description

commands

Displays commands executed.

location

Specifies location of line-card or route processor.

ongoing

Shows drops occuring since last executed.

Command Default

None

Command Modes

XR EXEC mode

Command History

Release

Modification

Release 7.3.5

This command was introduced.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID

Operations

interface

read

cisco-support

read

The show packet drops all location all command displays packet drops for all nodes on all locations 

RP/0/RP0/CPU0:ios#show drops all location all
-----------------------------------------------
Printing Drop Counters for node 0/RP0/CPU0
-----------------------------------------------
     

-------------------
MODULE arp
-------------------
     

-------------------
MODULE mac
-------------------
     

-------------------
MODULE npu_traps
-------------------
     

Trap Type                                     NPU  Trap  Punt       Punt  Punt  Punt Configured Hardware   Policer Avg-Pkt Packets             Packets
                                              ID   ID    Dest       VoQ   VLAN  TC   Rate(pps)  Rate(pps)  Level   Size    Accepted            Dropped
======================================================================================================================================================
            
UNKNOWN_VLAN_OR_BUNDLE_MEMBER(D*)             0    4    RPLC_CPU    200   1586  0    67         134        IFG     64      0                   1
          
-------------------
MODULE voq_drops
-------------------
          
          
-------------------
MODULE cef
-------------------
          
          
-------------------
MODULE fabric
-------------------
          
          
-------------------
MODULE lpts
-------------------
          
          
-------------------
MODULE spp
-------------------

The show packet drops all ongoing location command displays the packet drops since last executed. 

RP/0/RP0/CPU0:ios#show drops all ongoing location all

-----------------------------------------------
Printing Drop Counters for node 0/RP0/CPU0
-----------------------------------------------
     

-------------------
MODULE arp
-------------------
     

-------------------
MODULE mac
-------------------
     

-------------------
MODULE npu_traps
-------------------
     

-------------------
MODULE voq_drops
-------------------
          
          
-------------------
MODULE cef
-------------------
          
          
-------------------
MODULE fabric
-------------------
          
          
-------------------
MODULE lpts
-------------------
          
          
-------------------
MODULE spp
-------------------