Ciscos, BGP, L2TPV3 pseudowires and loopback IPs

David Freedman david.freedman at
Thu Nov 11 07:52:13 CST 2010

>> We will need to set up a L2TPV3 tunnel to their old location (single
>> homed, no BGP on that side).  Upon initial reading of Cisco docs to do
>> this, we will need a routable IP on a loopback interface for starters.

Also, like any other tunnel, beware of MTU issues, these are so
routinely forgotten :)


David Freedman
Group Network Engineering
Claranet Group

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