01-27-2012 06:36 AM - edited 03-04-2019 03:02 PM
Can someone explaing why do we see duplicate etherchannel forming ?
In the below output Po32A and Po33A
GRVSERVNEWCS8#show etherchannel summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use N - not in use, no aggregation
f - failed to allocate aggregator
M - not in use, no aggregation due to minimum links not met
m - not in use, port not aggregated due to minimum links not met
u - unsuitable for bundling
d - default port
w - waiting to be aggregated
Number of channel-groups in use: 5
Number of aggregators: 7
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
30 Po30(SD) -
32 Po32(SU) LACP Gi6/39(P) Gi6/40(P) Gi8/22(P)
32 Po32A(SU) LACP Gi6/43(P)
33 Po33(SU) LACP Gi6/42(P)
33 Po33A(SU) LACP Gi8/24(P)
34 Po34(SU) LACP Gi6/41(P) Gi8/26(P)
50 Po50(SU) - Gi6/47(P) Gi6/48(P) Gi7/47(P)
Gi7/48(P)
01-27-2012 07:19 AM
Vinayak,
These ports are called Aggregator ports Po32A(SU) and are put in a Suspended state
It's because Port-channel noticed difference in configuration and was not able to bundle ports together. Secondary aggregator Po32A will keep the port up but will work as a separate port, like you did not have port-channel at all. What are these ports connected to?
Please see below link for some more info on aggregartor ports
HTH
Kishore
01-27-2012 07:27 AM
It is connected to IBM Servers...New P770 IBM servers..
I do not notice any immediate mismatch in the configs
It is connected to IBM Servers...New P770 IBM servers..
I do not notice any immediate mismatch in the configs
01-27-2012 08:10 AM
it could be at the other end . your IBM servers could be playing mischief
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