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Field Notice 70545
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richard.pugh
Beginner

Ethernet Trunk Setup on 4500 to support UCS

Looking for documentation that details the configuration steps needed to configure Port Channels and Trunking on a Cisco Catalyst 4500 and other Catalyst models to support the UCS 6100 Ethernet Uplinks. I have found all kinds of documents on creating the port-channel on UCS but am unable to find what needs to be done on the Network side to support UCS.

2 REPLIES 2
juwalthe
Beginner

The most important thing to know is that UCS Fabric Interconnects only support LACP etherchannels for upstream port aggregation. 

On the 4500 side, you'll want to do something like this:

Switch# configure terminal 
Switch(config)# interface range fastethernet 5/6 - 7 (Note: Space is mandatory.)
Switch(config-if-range)# channel-group 2 mode active 
Switch(config-if-range)# end 
Switch# end 

Let me know what questions you have about this.

--Justin

David Rodriguez
Beginner

Just to add onto Justin's reply we also enter the following commands on the interface:

switchport nonegotiate

spanning-tree portfast trunk

spanning-tree guard loop

channel-protocol lacp

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