LACP Ethert-Channel and HP Network TEAM

thefindjack · ‎06-03-2009

I have a HP Server that I want to setup to use an etherchannel for 2Gbs bandwidth. I keep having the same problem, one of the NIC's will only negotiate 100mbs/full and the other will negotiate the full 1000mbs/full. I have had this issue on 2 HP servers now and I cant seem to figure out the problem. I have followed this guide with no success. Also if I try to statically set the speed/duplex it acts like the network cable is disconnected.

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Here is my configuration and some show information....

rmprodsw01#sh run int g2/27

Building configuration...

Current configuration : 203 bytes

!

interface GigabitEthernet2/27

description RMSTAGEBACKUP01-A-Po2

switchport

switchport access vlan 51

switchport mode access

no ip address

spanning-tree portfast

channel-group 2 mode active

end

rmprodsw01#sh run int g2/39

Building configuration...

Current configuration : 203 bytes

!

interface GigabitEthernet2/39

description RMSTAGEBACKUP01-B-Po2

switchport

switchport access vlan 51

switchport mode access

no ip address

spanning-tree portfast

channel-group 2 mode active

end

rmprodsw01#sh run int po2

Building configuration...

Current configuration : 101 bytes

!

interface Port-channel2

description PORT_CHANNEL_TO_STAGEBACKUP01

switchport

no ip address

end

rmprodsw01#sh int status | inc STAGEBACK

Gi2/27 RMSTAGEBACKUP01-A- connected 51 a-full a-100 10/100/1000BaseT

Gi2/39 RMSTAGEBACKUP01-B- connected 51 a-full a-1000 10/100/1000BaseT

rmprodsw01#sh ether 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 f - failed to allocate aggregator

M - not in use, minimum links not met

u - unsuitable for bundling

w - waiting to be aggregated

Number of channel-groups in use: 4

Number of aggregators: 5

Group Port-channel Protocol Ports

------+-------------+-----------+-----------------------------------------------

2 Po2(SD) LACP Gi2/27(I)

2 Po2A(SU) LACP Gi2/39(P)

Collin Clark · ‎06-03-2009

HP/Broadcom NICs and Cisco switches don't negotiate well. Hard set the switch ports and the NIC's to 100/full.

Hope that helps.

glen.grant · ‎06-03-2009

I would check your cable . Gigabit speed needs all 8 wires to be in good in order to run gigabit so if its negotiating 100 meg then maybe 1 or more wires are faulty in your cable path .

andrels · ‎06-03-2009

Have you tried to remove LACP and just use mode on ? and see what happens?

I have seen problems like this before and doing that worked out.

channel-group 2 mode on

Perhaps, the HP server isn't being able to negotiate with the switch using LACP as it should.

thefindjack · ‎06-04-2009

Thanks for all your replies, I did try to hard set the speed/duplex but that only resulted in the network card thinking the cable was disconnected. I replaced all the network cables and tried "channel-group 2 mode on", all with no resolution. I upgraded all the firmware on the card and all drivers, and still nothing. At this point Im thinking this is a hardware problem (even though it seems weird the card would just stop working at 1000Mbs). I tried the same configuration on another HP server and it worked just fine, and I know this working on this particular server in the past.