Re: Etherchannel - NIC Teaming

I seem to have better luck using LACP rather than hard coding my VMware
connections.

channel-group 10 mode active

On Wed, Jan 11, 2012 at 10:30 AM, Jay McMickle <jay.mcmickle_at_yahoo.com>wrote:

> What config do you have on the VM box? You have configured static
> etherchannel on the switch with Layer 2, but you are mentioning L3 issues.
>
> You have the PO in trunk mode- can we see the output of sh int trunk?
>
> The switch side looks good- you need to make sure your NIC's are
> configured in trunk mode with the correct teaming set. Most likely the
> issue resides on the NIC side.
>
> Regards,
> Jay McMickle- CCNP,CCSP,CCDP
> Sent from my iPhone
> http://mycciepursuit.wordpress.com
>
>
> On Jan 11, 2012, at 9:06 AM, vignesh sethuraman <sethuvignesh_at_yahoo.co.in>
> wrote:
>
> > Hello Experts,
> >
> > I am trying to configure Etherchannel to support NIC teaming.
> > The 2 NIC cards of a VMserver is connected to my 6500 switch on port
> gi7/18
> > and 19. I could see port channel is up and it shows Gi7/18 & 19 as it
> members.
> > The ports are also up. But I am unable to have IP connectivity get
> established
> > from VMserver.
> >
> > I could get the IP connectivity established only when any of
> > the Interface Gi7/18 or 19 is made manually down. Could you please
> anyone help
> > me to resolve this. Is this anything related to STP. Please find my
> > configuration below.
> >
> > interface Port-channel1
> > switchport
> > switchport trunk
> > encapsulation dot1q
> > switchport mode trunk
> > end
> > !
> > interface range
> > GigabitEthernet7/18 - 19
> > switchport
> > switchport trunk encapsulation dot1q
> > switchport mode trunk
> > channel-group 1 mode on
> > end
> >
> > ACC2#sh int po1
> > Port-channel1 is up, line protocol is up (connected)
> > Hardware is
> > EtherChannel, address is f866.f279.25c5 (bia f866.f279.25c5)
> > MTU 1500 bytes,
> > BW 2000000 Kbit, DLY 10 usec,
> > reliability 255/255, txload 1/255, rxload
> > 1/255
> > Encapsulation ARPA, loopback not set
> > Keepalive set (10 sec)
> >
> > Full-duplex, 1000Mb/s, media type is unknown
> > input flow-control is off,
> > output flow-control is off
> > Members in this channel: Gi7/18 Gi7/19
> > ARP
> > type: ARPA, ARP Timeout 04:00:00
> > Last input never, output never, output hang
> > never
> > Last clearing of "show interface" counters 2d01h
> > Input queue:
> > 0/2000/0/0 (size/max/drops/flushes); Total output drops: 5430
> > Queueing
> > strategy: fifo
> > Output queue: 0/40 (size/max)
> > 5 minute input rate 0
> > bits/sec, 0 packets/sec
> > 5 minute output rate 255000 bits/sec, 58 packets/sec
> > 351472 packets input, 124875728 bytes, 0 no buffer
> > Received 12996
> > broadcasts (2893 multicasts)
> > 0 runts, 0 giants, 0 throttles
> > 0 input
> > errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> > 0 watchdog, 0 multicast, 0
> > pause input
> > 0 input packets with dribble condition detected
> >
> > 127583868 packets output, 83656911250 bytes, 0 underruns
> > 0 output errors,
> > 0 collisions, 9 interface resets
> > 0 babbles, 0 late collision, 0 deferred
> > 0 lost carrier, 0 no carrier, 0 PAUSE output
> > 0 output buffer
> > failures, 0 output buffers swapped out
> >
> > ACC2#sh int gi7/18
> > GigabitEthernet7/18 is up, line protocol is up (connected)
> > Hardware is C6k
> > 1000Mb 802.3, address is f866.f279.25c5 (bia f866.f279.25c5)
> > MTU 1500 bytes,
> > BW 1000000 Kbit, DLY 10 usec,
> > reliability 255/255, txload 1/255, rxload
> > 1/255
> > Encapsulation ARPA, loopback not set
> > Keepalive set (10 sec)
> >
> > Full-duplex, 1000Mb/s, media type is 10/100/1000BaseT
> > input flow-control is
> > off, output flow-control is off
> > Clock mode is auto
> > ARP type: ARPA, ARP
> > Timeout 04:00:00
> > Last input 2d04h, output 00:00:21, output hang never
> > Last
> > clearing of "show interface" counters 2d01h
> > Input queue: 0/2000/0/0
> > (size/max/drops/flushes); Total output drops: 0
> > Queueing strategy: fifo
> >
> > Output queue: 0/40 (size/max)
> > 5 minute input rate 0 bits/sec, 0 packets/sec
> > 5 minute output rate 322000 bits/sec, 61 packets/sec
> > 14336 packets
> > input, 1212877 bytes, 0 no buffer
> > Received 8533 broadcasts (1352
> > multicasts)
> > 0 runts, 0 giants, 0 throttles
> > 0 input errors, 0 CRC, 0
> > frame, 0 overrun, 0 ignored
> > 0 watchdog, 0 multicast, 0 pause input
> > 0
> > input packets with dribble condition detected
> > 101868539 packets output,
> > 67581777703 bytes, 0 underruns
> > 0 output errors, 0 collisions, 29
> > interface resets
> > 0 babbles, 0 late collision, 0 deferred
> > 0 lost
> > carrier, 0 no carrier, 0 PAUSE output
> > 0 output buffer failures, 0 output
> > buffers swapped out
> >
> > ACC2#sh int gi7/19
> > GigabitEthernet7/19 is up, line
> > protocol is up (connected)
> > Hardware is C6k 1000Mb 802.3, address is
> > f866.f279.25c6 (bia f866.f279.25c6)
> > MTU 1500 bytes, BW 1000000 Kbit, DLY 10
> > usec,
> > reliability 255/255, txload 1/255, rxload 1/255
> > Encapsulation
> > ARPA, loopback not set
> > Keepalive set (10 sec)
> > Full-duplex, 1000Mb/s, media
> > type is 10/100/1000BaseT
> > input flow-control is off, output flow-control is
> > off
> > Clock mode is auto
> > ARP type: ARPA, ARP Timeout 04:00:00
> > Last input
> > 2d04h, output 00:00:34, output hang never
> > Last clearing of "show interface"
> > counters 2d01h
> > Input queue: 0/2000/0/0 (size/max/drops/flushes); Total
> > output drops: 3636
> > Queueing strategy: fifo
> > Output queue: 0/40 (size/max)
> >
> > 5 minute input rate 0 bits/sec, 0 packets/sec
> > 5 minute output rate 166000
> > bits/sec, 57 packets/sec
> > 351880 packets input, 124883923 bytes, 0 no
> > buffer
> > Received 10626 broadcasts (1851 multicasts)
> > 0 runts, 0
> > giants, 0 throttles
> > 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> > 0 watchdog, 0 multicast, 0 pause input
> > 0 input packets with dribble
> > condition detected
> > 87399753 packets output, 54480233175 bytes, 0
> > underruns
> > 0 output errors, 0 collisions, 38 interface resets
> > 0
> > babbles, 0 late collision, 0 deferred
> > 0 lost carrier, 0 no carrier, 0
> > PAUSE output
> > 0 output buffer failures, 0 output buffers swapped out
> >
> > ACC2# sh etherchannel summary | inc Po1
> > 1 Po1(SU) -
> > Gi7/18(P) Gi7/19(P)
> >
> > Thanks,
> > Vignesh
> >
> >
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Received on Wed Jan 11 2012 - 10:59:03 ART