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Latency observed on Security Gateway when SecureXL is enabled
Symptoms
  • Latency is experienced if SecureXL is enabled.
  • 'fw monitor' shows a different MAC addresses than shown on a tcpdump, and the different MAC addresses are multicast (ex. 31:00:30:30:66:30).
  • Packet captures show a routing loop (TTL decreasing) but there is no configuration issue.
  • Kernel debugs show that the traffic is entering and leaving the same interface.
Cause

Packets with destination mac different from local machine are not filtered under certain conditions.


Solution
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