[c-nsp] L2 Link Failover

[jack daniels]

But this handshake is done at the time of beginging when PORTCHANNEL COMES
up. ONce etherchannel is up , link are brought out of the etherchannel when
physical interface goes down.




On Wed, Mar 31, 2010 at 6:00 PM, Tim Vollebregt
<t.vollebregt at leaseweb.com>wrote:

> Hi,
>
> I assume you are using the channel-group mode on mode right now, when the
> physical is up your switch will balance packets.
>
> You should try using the channel-group mode active (LACP), as there is an
> handshake in the LACP protocol. When there is no end-to-end connectivity,
> and the handshake doesn't succeed it will remove the port from the LACP
> bundle.
>
> Regards,
>
> Tim
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:
> cisco-nsp-bounces at puck.nether.net] On Behalf Of jack daniels
> Sent: woensdag, 31 maart, 2010 14:10
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] L2 Link Failover
>
> Hi guys,
>
> I'm facing a solution challage , appriaciate if you guys can help
>
>
> PC1---(VLAN 2)SW1-----------------METRO ETHERNET Link
> 1 ----------------------------------SW2 (VLAN2)---PC2
>                         |---------------------Metro ETHERNET LINK 2
> ---------------------------|
>
>
>
> I have L2 extended LAN between SW1 and SW2 across Metro ethernet network
> from SP.
>
> I have CONFIGURED ETHERCHANNEL using both LINKS
>
> But issue is when in between my link 1 or my link 2 goes down , BUT My
> links
> in PORTCHANNEL are UP. SO traffic is blackholed.
>
> Please advise
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>