IPsec Tunnel Private-to-Private network just goes one way

Unanswered Question
Apr 4th, 2008

Hi there!

First time Cisco setup for me, trying to setup a VPN between headquarters (peer 100.1.1.1, internal network 192.168.2.*) and a branch office (peer 200.1.1.1, internal network 192.168.1.*).

I followed this guide (minus the static NAT): http://cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a0080094634.shtml.

What works:

- pings work either way;

- http works either way;

- windows file sharing works either way;

What does not work:

- remote desktop works going from headquarters to branch office but not viceversa;

- ftp works only from headquarters to branch office but not viceversa.

Router configuration for both offices is attached. Any help is greatly appreciated. IPs are changed for security.

I have this problem too.
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istvanhoka Mon, 04/07/2008 - 06:44

After reading the suggested doc about fragmentation, I adjusted the both the MTU and TCP MSS to 1300. There was no change in the behaviour.

I am attaching the updated configurations.

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