A me too message.
after playing with the sa lifetime on the vpn server, vpnc or hangs, or just
doesn't work anymore (blackhole) after the expire of the SA lifetime(er).
This is with ubuntu 9.10 (32 bits) and and new ubuntu 10.04 alpha both
runs 0.5.3 vpnc.
quite annoying, and ran many times into it, but wasn't able to pinpoint, but
with a SA liftime of 120 seconds (minimum in cisco ios) i can confirm it's a
rekey issue.
the first message in cisco ios (15.x) is :
%CRYPTO-4-RECVD_PKT_MAC_ERR: decrypt: mac verify failed for connection
id=17 local=<snip> remote=<snip> spi=<snip> seqno=00000001
hope this will help to pinpoint a solution.
Regards,
Arjan Filius
** Changed in: vpnc (Ubuntu)
Status: New => Confirmed
** Summary changed:
- VPN connection fails after one hour
+ VPN connection fails after one hour^H^H^H^H security-association idle-time
expiry
--
VPN connection fails after one hour^H^H^H^H security-association idle-time
expiry
https://bugs.launchpad.net/bugs/479632
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