Nexus5k - LACP towards HP blades switch(and nortel blade switch)

[Mary Ghabrai]

Hi

First I have to say this is not the first time i'm working with these old switches and not the first time i've configured LACP on them.

So I did the config on the blade switch , enabled LACP, the uplink ports as members and tagged.

Created port-channel on the nexus side.

when i try to bring up the ports on the Cisco Nexus 5k this is the errors I get. this is fot the HP blade:

2013 Jun 11 14:44:03 dist4 %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet171/1/7: Ethernet171/1/7 is suspended

2013 Jun 11 14:44:03 dist4 %LACP-FEX171-3-LACP_MEM_PC_MISCFG: LACP misconfiguration detected on Ethernet171/1/7(0x1faa0180): (Member channel group id: 31-1, does not match PC group id: 31-1

0)

2013 Jun 11 14:44:04 dist4 %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet172/1/7: Ethernet172/1/7 is suspended

2013 Jun 11 14:44:04 dist4 %LACP-FEX172-3-LACP_MEM_PC_MISCFG: LACP misconfiguration detected on Ethernet172/1/7(0x1fab0180): (Member channel group id: 31-1, does not match PC group id: 31-1

0)

I had one port-channel for a switch that came up with no problems. I compared the config but could not identify the issue.the config is very similar.

has anyone encountered these errors or similar before? if yes, what am I missing? and also what does it mean when it says "

Member channel group id: 31-1, does not match PC group id: 31-10) ?

Thanks,

Mary

[Marcel Zehnder]

Hi Mary

I had issues with LACP between N5Ks and HP blade-switches. LACP fast rate on the N5Ks solved the problems for me:

http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/layer2/421_n1_1/Cisco_n5k_layer2_config_gd_rel_421_n1_1_chapter7.html#task_720B8C768B34498D95F5208F95D4CCCB

HTH

Marcel

[Mary Ghabrai]

Marcel,

Thank you for your reply.

I tried again right now with the command you suggested but still no luck.

we have so many more hp switches with the similar config that are working fine. I just can't figure out why these 3 switches are having issues.

my current config on the member port is as below

interface Ethernet171/1/36

  description WINBL1-NFS2:P2

  lacp rate fast

  switchport mode trunk

  switchport trunk allowed vlan 410,412

  spanning-tree bpdufilter enable

  flowcontrol send off

  channel-group 30 mode active

2013 Jun 13 11:00:51 dist4 %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet171/1/36: Ethernet171/1/36 is suspended

2013 Jun 13 11:00:51 dist4 %LACP-FEX171-3-LACP_MISCFG: LACP misconfiguration detected on Ethernet171/1/36(0x1faa08c0): (Member system mac does not match PC system mac)

2013 Jun 13 11:00:52 dist4 %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet172/1/36: Ethernet172/1/36 is suspended

2013 Jun 13 11:00:50 dist4 %LACP-FEX172-3-LACP_MISCFG: LACP misconfiguration detected on Ethernet172/1/36(0x1fab08c0): (Member system mac does not match PC system mac)

Thanks,

Mary

[Andras Dosztal]

Did you find the cause of the issue? I'm experiencing the same on an 5548UP with 5.1(3)N2(1c).

[Mary Ghabrai]

Hi Andras,

No Unfortunately I didn't.

I opened a ticket with Cisco and Cisco could not figure out the issue as well and they blamed it on the HP switches but they could not help me with the HP side. we have so many of these in our environment that are working fine with lacp.

For now I just uplinked them as access ports which has no redundancy as I had no choice.

[Peter Koltl]

What kind of HP blade switch? VirtualConnect?

Did you happen to connect the two member-links to different blade switches?

[Andras Dosztal]

This could be. In my case it turned out a storage guy wanted to check something, and crossconnected different systems.