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WS-C2960S-48TS-L port-channel with 2960

Hi All,

2960S is formed a port-channel with 2960. When 2960S physical Interfaces are configured with 100 full, outdiscards packets issue are found at 2960S egree queue. I checked the traffic flow via the port-channel under 100 MB, and it only found at 2960S, 2960 does not have this issue. I have updated both switch to 12.2(58). Does anyone know what is happening?

PS: 2960 do not support 1G full.

I had done any test by using 2 2960S to form a port-channel. If I configure both switch to 100 full, outdiscards packet issue found. When I changed both physcial Interface to 1G full, problem solved.

Does it mean 2960S physical interface only allow 1G traffic even I set it to 100?

Thanks,

K

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