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 <[email protected]>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: [email protected] [mailto: > [email protected]] On Behalf Of jack daniels > Sent: woensdag, 31 maart, 2010 14:10 > To: [email protected] > 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 [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
