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[FW-1] Tunnels behaving strangely


  • To: [email protected]
  • Subject: [FW-1] Tunnels behaving strangely
  • From: "La Coursiere, Jeff" <[email protected]>
  • Date: Thu, 24 Jul 2003 12:31:24 +0100
  • Reply-to: Mailing list for discussion of Firewall-1 <[email protected]>
  • Sender: Mailing list for discussion of Firewall-1 <[email protected]>
  • Thread-index: AcNR08SjB6pz2v2kRNy8TvalHKIZzwAAoxCA
  • Thread-topic: [FW-1] NG AI - Non-default directory [Was Security Desktop]

Hi Gurus,

Have two sets of two Nokia IP330s (in HA) that support tunnels between two sites.  Traffic from B to A flows 24x7 without trouble.  Particular traffic from A to B (HTTPS from a server at A to a server at B) seems to fail for an hour or slightly more at a time, every few days.  During the outage period I have run packet traces at the ingress of the primary IP330 and see the unencrypted traffic at least destined for itself.  But there are no drops or rejects in the log viewer, and the normal 'encrypt' log entries are also missing.  After a time (up to two hours) the traffic simply begins flowing again normally.  All the while traffic initiated in the other direction flows normally.

Can anyone think of any reason for this?

Thanks,

Jeff LaCoursiere
Infrastructure Specialist
TMIUK

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