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ATTN-3-SYNC_TIMEOUT: msecs since last timeout, missing packets

Hello experts, and good day to you all,

I have an issue below that made me scratch my head to find a solution/workaround.

"%IOSXE-3-PLATFORM: R0/0: cpp_cp: QFP:0.0 Thread:134 TS:00000063236949653216 %ATTN-3-SYNC_TIMEOUT: msecs since last timeout 62983281, missing packets 2"

It happens when our remote office tries to connect to our new router (ASR 1001HX with encryption module). Our router is a VPN gateway for many remote offices in the state. I checked and tested our remote office router with our existing VPN gateway router, which has no issue.

I looked through the internet about this and found a similar issue ( CSCum13378, CSCtb34234, CSCvc74702, CSCtb06861) that has been reported before, and it only affects IOS 15.3.x. Meanwhile, my router's IOS version is 17.03.05 (which is the latest IOS). I think it should be solved with this new IOS.

Anyone can advise me on this?

Thank you in advance.

Alex

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marce1000
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 - If mentioned in bug reports and not resolved then you need to engage Cisco , contact TAC.

 M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
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