[Openswan Users] Openswan and Nortel Switch deleting ISAKMP

Paul Wouters paul at xelerance.com
Thu Aug 3 16:16:57 EDT 2006


On Tue, 1 Aug 2006, Peter McGill wrote:

> It would seem that the problem is bracketed by:
> Jul 27 16:21:44 sheridan pluto[1671]:
> "sunoco-172-26-net-to-london-office-net" #444: received Delete SA payload:
> deleting ISAKMP State #444
> Jul 27 16:21:44 sheridan pluto[1671]: packet from 199.212.129.226:500:
> received and ignored informational message
> ...and...
> Jul 27 17:10:11 sheridan pluto[1671]:
> "sunoco-172-26-net-to-london-office-net" #461: STATE_QUICK_I2: sent QI2,
> IPsec SA established {ESP=>0x0013419d <0xb8629178 xfrm=3DES_0-HMAC_MD5
> NATD=none DPD=none}

I would expect auto=start to immediately restart the deleted connection...

> Has anyone else experienced this? How do I fix it?

Obviously, the other end should not delete the connection, so the fix
is on that end. As a workaround, try:

	ikelifetime=30m

This will cause openswan to rekey the isakmp before the nortel expires it
(at around an hour?)

Paul
-- 
Building and integrating Virtual Private Networks with Openswan:
http://www.amazon.com/gp/product/1904811256/104-3099591-2946327?n=283155


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