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Catalyst 9300 switch id used in a stack

pdupreez
Level 1
Level 1

Hi

We are replacing a Catalyst 4506 with a five satck Catalyst 9300 with three different Port Channels configured linking to server setup for teamingIs there. For port channel 1 all the members are on the same module / stack switches, for the other port channels the members are split between the diferent modules / stack switches. When the Catalyst 4500 is used all the port channels are up and all the memebers are participating, when migrating to the Catalyst 9300 stack port channel 1 is 100% all port participating, for the other port channels only the ports on the same stack switch participate while the other port/s goes into "susspend" state. I have read on a Microsoft doc that "Switch dependent teaming requires that all team members are connected to the same physical switch or a multi-chassis switch that shares a switch ID among the multiple chassis.

 

https://docs.microsoft.com/en-us/windows-server/networking/technologies/nic-teaming/nic-teaming-settings

 

From the above it seems as if the switch ID of th estack does have an impact on the ports joining / participating in a port channel, but then it defeat the purpose of having redundnacy in a port channel.

My question if this is the case:

1. Can you set the switch id to a single id for the stack despite the different switch IDs of the stack members

2. I am sure out there someone else also had the same problem, what didi you do to resolve th eissue.

1 Reply 1

Reza Sharifi
Hall of Fame
Hall of Fame

Hi,

In a stack environment, all stacked switches logically function as one switch. So, configuring Portchannels with different physical interfaces connected to multiple switches in the stack should not be an issue at all and all Portchannels member interfaces should be in up an up mode. 

HTH