From: jatinder.p.singh@bt.com
Date: Wed Oct 13 2004 - 08:43:19 GMT-3
> Dear all,
>
> Can anyone help me for the following issue..
>
> Here is a brief description of the problem. I have tried modifying the
> MTU on the tunnel interfaces down to 1400, adjusting the MSS size down
> to 1400 and clearing the DF bit in an effort to resolve but still
> can't establish a TCP connection to port 443 when connecting over the
> IPSec tunnel (I've even tried dropping the MTU/MSS values right down
> to 500).
>
> I'm assuming that the problem is relating to the following link...
>
> http://www.cisco.com/en/US/tech/tk827/tk369/technologies_tech_note0918
> 6a0080093f1f.shtml
>
I setup a loopback address and gave it an IP address that was allowed
through the NMS firewall to iPlanet and used it as a source interface
when telnetting to 199.80.47.21 on TCP port 443. The connection fails.
When I setup a loopback address with the same address on other router
and put it in the GKN VRF, I can open TCP port 443 no problem.
> Thanks in Advance
>
> With Warm Regards
> J P Singh
> CCIE :- 13620
> BT Global Services
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