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This chapter includes the following sections:
Each fabric interconnect has a set of ports in a fixed port module that you can configure as either server ports or uplink Ethernet ports. These ports are not reserved. They cannot be used by a Cisco UCS instance until you configure them. You can add expansion modules to increase the number of uplink ports on the fabric interconnect, or to add uplink Fibre Channel ports to the fabric interconnect.
You need to create LAN pin groups and SAN pin groups to pin traffic from servers to an uplink port.
Each fabric interconnect can include the following types of ports:
Server ports handle data traffic between the fabric interconnect and the adapter cards on the servers.
You can only configure server ports on the fixed port module. Expansion modules do not include server ports.
Uplink Ethernet ports handle Ethernet traffic between the fabric interconnect and the next layer of the network. All network-bound Ethernet traffic is pinned to one of these ports.
You can configure uplink Ethernet ports on either the fixed module or an expansion module. You can also configure the admin speed as 1Gbps or 10Gbps and assign a flow control policy to the port.
Uplink Fibre Channel ports handle FCoE traffic between the fabric interconnect and the next layer of the network. All network-bound FCoE traffic is pinned to one of these ports.
You can only configure uplink Fibre Channel ports on an expansion module. The fixed module does not include uplink Fibre Channel ports.
Server Ports
You can only configure server ports on the fixed port module. Expansion modules do not include server ports.
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-server | Enters Ethernet server mode. |
Step 2 | UCS-A /eth-server # scope fabric {a | b} | Enters Ethernet server fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-server/fabric # create interface slot-num port-num | Creates an interface for the specified Ethernet server port. |
Step 4 | UCS-A /eth-server/fabric # commit-buffer | Commits the transaction to the system configuration. |
The following example creates an interface for Ethernet server port 12 on slot 1 of fabric B and commits the transaction:
UCS-A# scope eth-server UCS-A /eth-server # scope fabric b UCS-A /eth-server/fabric # create interface 1 12 UCS-A /eth-server/fabric* # commit-buffer UCS-A /eth-server/fabric #
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-server | Enters Ethernet server mode. |
Step 2 | UCS-A /eth-server # scope fabric {a | b} | Enters Ethernet server fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-server/fabric # delete interface slot-num port-num | Deletes the interface for the specified Ethernet server port. |
Step 4 | UCS-A /eth-server/fabric # commit-buffer | Commits the transaction to the system configuration. |
The following example deletes the interface for Ethernet server port 35 on slot 3 of fabric B and commits the transaction:
UCS-A# scope eth-server UCS-A /eth-server # scope fabric b UCS-A /eth-server/fabric # delete interface 1 12 UCS-A /eth-server/fabric* # commit-buffer UCS-A /eth-server/fabric #
Uplink Ethernet Ports
You can configure uplink Ethernet ports on either the fixed module or an expansion module. You can also configure the admin speed as 1Gbps or 10Gbps and assign a flow control policy to the port.
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-uplink | Enters Ethernet uplink mode. |
Step 2 | UCS-A /eth-uplink # scope fabric {a | b} | Enters Ethernet uplink fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-uplink/fabric # create interface slot-num port-num | Creates an interface for the specified Ethernet uplink port. |
Step 4 | UCS-A /eth-uplink/fabric # set speed {10gbps | 1gbps} | (Optional) Sets the speed for the specified Ethernet uplink port. |
Step 5 | UCS-A /eth-uplink/fabric # commit-buffer | Commits the transaction to the system configuration. |
The following example creates an interface for Ethernet uplink port 3 on slot 2 of fabric B, sets the speed to 10 gbps, and commits the transaction:
UCS-A# scope eth-uplink UCS-A /eth-uplink # scope fabric b UCS-A /eth-uplink/fabric # create interface 2 3 UCS-A /eth-uplink/fabric # set speed 10gbps UCS-A /eth-uplink/fabric* # commit-buffer UCS-A /eth-uplink/fabric #
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-uplink | Enters Ethernet uplink mode. |
Step 2 | UCS-A /eth-uplink # scope fabric {a | b} | Enters Ethernet uplink fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-uplink/fabric # delete interface slot-num port-num | Deletes the interface for the specified Ethernet uplink port. |
Step 4 | UCS-A /eth-uplink/fabric # commit-buffer | Commits the transaction to the system configuration. |
The following example deletes the interface for Ethernet uplink port 3 on slot 2 of fabric B and commits the transaction:
UCS-A# scope eth-uplink UCS-A /eth-uplink # scope fabric b UCS-A /eth-uplink/fabric # delete interface 2 3 UCS-A /eth-uplink/fabric* # commit-buffer UCS-A /eth-uplink/fabric #
An uplink Ethernet port channel allows you to group several physical uplink Ethernet ports (link aggregation) to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed connectivity. In Cisco UCS Manager, you create a port channel first and then add uplink Ethernet ports to the port channel. You can add up to eight uplink Ethernet ports to a port channel.
![]() Note |
Cisco UCS uses Link Aggregation Control Protocol (LACP), not Port Aggregation Protocol (PAgP), to group the uplink Ethernet ports into a port channel. |
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-uplink | Enters Ethernet uplink mode. |
Step 2 | UCS-A /eth-uplink # scope fabric {a | b } | Enters Ethernet uplink fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-uplink/fabric # create port-channel port-num | Creates a port channel on the specified Ethernet uplink port, and enters Ethernet uplink fabric port channel mode. |
Step 4 | UCS-A /eth-uplink/fabric/port-channel # {enable | disable} | (Optional) Enables or disables the administrative state of the port channel. The port channel is disabled by default. |
Step 5 | UCS-A /eth-uplink/fabric/port-channel # set name port-chan-name | (Optional) Specifies the name for the port channel. |
Step 6 | UCS-A /eth-uplink/fabric/port-channel # set flow-control-policy policy-name | (Optional) Assigns the specified flow control policy to the port channel. |
Step 7 | UCS-A /eth-uplink/fabric/port-channel # commit-buffer | Commits the transaction to the system configuration. |
The following example creates a port channel on port 13 of fabric A, sets the name to portchan13a, enables the administrative state, assigns the flow control policy named flow-con-pol432 to the port channel, and commits the transaction:
UCS-A# scope eth-uplink UCS-A /eth-uplink # scope fabric a UCS-A /eth-uplink/fabric # create port-channel 13 UCS-A /eth-uplink/fabric/port-channel* # enable UCS-A /eth-uplink/fabric/port-channel* # set name portchan13a UCS-A /eth-uplink/fabric/port-channel* # set flow-control-policy flow-con-pol432 UCS-A /eth-uplink/fabric/port-channel* # commit-buffer UCS-A /eth-uplink/fabric/port-channel #
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-uplink | Enters Ethernet uplink mode. |
Step 2 | UCS-A /eth-uplink # scope fabric {a | b } | Enters Ethernet uplink fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-uplink/fabric # delete port-channel port-num | Deletes the port channel on the specified Ethernet uplink port. |
Step 4 | UCS-A /eth-uplink/fabric # commit-buffer | Commits the transaction to the system configuration. |
The following example deletes the port channel on port 13 of fabric A and commits the transaction:
UCS-A# scope eth-uplink UCS-A /eth-uplink # scope fabric a UCS-A /eth-uplink/fabric # delete port-channel 13 UCS-A /eth-uplink/fabric* # commit-buffer UCS-A /eth-uplink/fabric #
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-uplink | Enters Ethernet uplink mode. |
Step 2 | UCS-A /eth-uplink # scope fabric {a | b } | Enters Ethernet uplink fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-uplink/fabric # scope port-channel port-num | Enters Ethernet uplink fabric port channel mode for the specified port channel. |
Step 4 | UCS-A /eth-uplink/fabric/port-channel # create member-port slot-num port-num | Creates the specified member port from the port channel and enters Ethernet uplink fabric port channel member port mode. |
Step 5 | UCS-A /eth-uplink/fabric/port-channel # commit-buffer | Commits the transaction to the system configuration. |
The following example adds the member port on slot 1, port 7 to the port channel on port 13 of fabric A and commits the transaction.
UCS-A# scope eth-uplink UCS-A /eth-uplink # scope fabric a UCS-A /eth-uplink/fabric # scope port-channel 13 UCS-A /eth-uplink/fabric # create member-port 1 7 UCS-A /eth-uplink/fabric/port-channel* # commit-buffer UCS-A /eth-uplink/fabric/port-channel #
Command or Action | Purpose | |
---|---|---|
Step 1 | UCS-A# scope eth-uplink | Enters Ethernet uplink mode. |
Step 2 | UCS-A /eth-uplink # scope fabric {a | b } | Enters Ethernet uplink fabric mode for the specified fabric. |
Step 3 | UCS-A /eth-uplink/fabric # scope port-channel port-num | Enters Ethernet uplink fabric port channel mode for the specified port channel. |
Step 4 | UCS-A /eth-uplink/fabric/port-channel # delete member-port slot-num port-num | Deletes the specified member port from the port channel. |
Step 5 | UCS-A /eth-uplink/fabric/port-channel # commit-buffer | Commits the transaction to the system configuration. |
The following example deletes a member port from the port channel on port 13 of fabric A and commits the transaction:
UCS-A# scope eth-uplink UCS-A /eth-uplink # scope fabric a UCS-A /eth-uplink/fabric # scope port-channel 13 UCS-A /eth-uplink/fabric/port-channel # delete member-port 1 7 UCS-A /eth-uplink/fabric/port-channel* # commit-buffer UCS-A /eth-uplink/fabric/port-channel #