PORTCHANNEL/ETHERCHANNEL question

[Ashwanipatel]

Hi Guys,

I have 2 sites site A and site B. Both are connected with TWO  L2 WAN circuits. The L2 WAN circuits are terminated on separate devices. Will it possible to create etherchannel/Portchannel on 2 L2 WAN circuits to use them as one?  Kindly provide your suggestions

 Please see the attached image file for clarification.

Thanks 

[Walter Astori]

I think that you can create the etherchannel WAN link with layer 3 and PPP protocol.

If you have layer 3 router, the configuration is below :

controller E1 1/0/0
 framing NO-CRC4
 channel-group 0 timeslot 1-31
!
controller E1 1/0/1
 framing NO-CRC4
 channel-group 0 timeslot 1-31

!
interface Multilink1
 ip address 192.168.253.214 255.255.255.252
 no cdp enable
 ppp multilink
 ppp multilink fragment disable
 ppp multilink links maximum 2
 ppp multilink group 1
!