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ICMP redirects

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chadmaynard:
Is there any sort of IP address or proxy ARP conflict that is causing ARP poisoning on any of the involved hosts? make sure that the arp tables on each are correct and don't flap.

ralph:
Where would you think I should check the ARP tables at?  Cisco or TW?

Ralph

chadmaynard:
Everywhere you can. 6510, cisco, tw, etc. Anything that is related. try running a constant ping through one of the phones (via the PC port) and see if you loose the pings as well. Since there are so many hosts involved in your description you;ll have to pretty much rule them out one by one.

Chakara:
  Did you see the article 08-5157-00024 from MOL?  ICMP redirects are normal function in certain setups - for example if you have a default gateway router, however the router you need for this particular packet on the same network as your device.   Then the default gateway router sends an ICMP redirect to tell your device where to send your traffic. 


  All of that said, the article listed shows that Mitel IP Phones may not handle ICMP redirects properly all the time.  This is an issue and possibly what you are seeing?

-Chak
 

chadmaynard:
That's the cause of the first problem but isn't related to the dropped call issue. And the first thing wasn't really a problem anyway.

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