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IP IP Tunnel TX Errors

Wed Jan 23, 2013 7:57 pm

Hi Guys
I have a number of sites joined over DSL with ipsec in transport mode and ipip tunnels over that and encrypted using ipsec policy and over this I run bgp and all is well however every now and then I see peer's drop and come back less then a minute later I am seeing TX Errors on the ipip tunnel interfaces and i'm wondering what would be causing this? I believe I have my math correct and set the mtu of the ipip tunnel at 1430 to leave room for all the overhead of the tunnels and ipsec and pppoe. Anyway any suggestions as to what maybe causing the TX errors or what would be common causes. I'm not seeing errors on any of the physical interfaces

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