From: Erick B. (erickbe@yahoo.com)
Date: Thu Nov 07 2002 - 22:10:19 GMT-3
Hi,
The switch needs to be configured for Etherchannel on
the ports connecting to the router. Each switch-router
connection would be a seperate channel group on switch
also. If you're doing VLAN trunking on the channel
then you can have subinterfaces on router also.
int fastethernet0
   no ip address
   no shut
   port-channel 1
int fastethernet1
   no ip address
   no shut
   port-channel 1
int port-channel 1
   desc native VLAN if using dot1q or put it on sub
   ip address x.x.x.x y.y.y.y
   etc..
int port-channel1.10
   desc vlan 10 - tagged
   encaps isl/dot1q 10 
   ip address x.x.x.x y.y.y.y 
   etc..
int port-channel 1.12
   desc dot1q native VLAN 12
   encaps dot1q 12 native
   ip address x.x.x.x y.y.y.y
   etc
   
Erick
--- Damien <damien.buckley@btinternet.com> wrote:
> Hello,
> 
> Just wondering can anyone offer advice.
> 
> Have the following topology:
> 
> Router - Switch - Router
> 
> configured with:
> 
> Router (Etherchannel 2 FE) - Switch (Nothing, just
> regular VLAN) -
> Router(Etherchannel 2 FE)
> 
> problem is no traffic seems to go out on second
> FE's....
> 
> I understand that Etherchannel on Router is based
> around and EX-OR on the
> Source/ Dest IP......
> 
> I have tried all flavors of IP source/ dest...and no
> traffic exits on second
> FE.....although I know Etherchannl is working as
> when I fail one FE, its
> kicks over to second immmedaitely....thoughts ??????
> 
> 
> Also I would have expected each FE Interface to use
> its own MAC for packets,
> so that if a switch sits in the middle, there are
> individual MAC's against
> the port...but it appears to use a single MAC which
> is assigned to the Port
> Channel interface...
> 
> any advice appreciated...
> 
> KIP
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