[Xorp-users] BGP over NAT

[Soner Sevinç]

Hi,
I have a problem in BGP. I try to run BGP over a NAT
connection; the NAT-router tries to connect to an
outside router. It manages to setup the TCP
connection, it goes to OpenSent state. The other
router goes to the OpenConfirm state. But they do not
go to the Established state.

It comes to me that BPG OPEN msg arrives at the second
router (because it is in OpenConfirm), but msg doesn't
arrive at the NAT-router. 

It is very difficult to understand for me; what can
prevent a message to be delivered if there is a TCP
connection in between? If TCP SYNC had passed, BGP
OPEN should also pass. 

If anyone has an idea about the solution, I would be
glad, thank you.

Soner

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