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The FWSM 2.3(4) drops packets continuously from one particular address

Document

Wed, 07/22/2009 - 19:41
Jun 22nd, 2009
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Core issue

This issue can arise due to the presence of the ip verify unicast source reachable-via rx command in the router.


Resolution

As a workaround, ensure that  the ip verify unicast source reachable-via rx command is not configured in the router.

For further information on this command, refer to these documents:

  • Configuring Network Security
  • The Access Control Lists and Logging section of Unicast_Reverse_Path_Forwarding_Enhancements
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