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IP-3-LOOPPAK error message

Hi,

We are getting a lot of messages regarding IP-3-LOOPPAK. We have Catalyst 6509 SUP2+MSFC2.

We running hybrid mode [CatOS:76.1 and MSFC2: 12.1(19)E.

Here is the output of sh logging:

Jul 23 14:00:00: %IP-3-LOOPPAK: Looping packet detected and dropped -

src=142.205.227.232, dst=142.205.226.1, hl=20, tl=89, prot=17, sport=1220, dport

=161

in=Vlan10, nexthop=142.205.86.251, out=Vlan86

options=none

-Process= "IP Input", ipl= 0, pid= 40

-Traceback= 40353BF0 40353CF8 40354408 403457E0 4034677C 40344C90 40344EC0 40345

120 40258D04 40258CF0

Jul 23 14:01:33: %IP-3-LOOPPAK: Looping packet detected and dropped -

src=142.205.227.232, dst=142.205.226.1, hl=20, tl=72, prot=17, sport=1220, dport

=161

in=Vlan212, nexthop=142.205.8.3, out=Vlan8

options=none

-Process= "IP Input", ipl= 0, pid= 40

-Traceback= 40353BF0 40353CF8 40354408 403457E0 4034677C 40344C90 40344EC0 40345

120 40258D04 40258CF0

Jul 23 14:02:37: %IP-3-LOOPPAK: Looping packet detected and dropped -

src=142.205.227.232, dst=142.205.226.1, hl=20, tl=72, prot=17, sport=1220, dport

=161

in=Vlan86, nexthop=142.205.212.251, out=Vlan212

options=none

-Process= "IP Input", ipl= 0, pid= 40

-Traceback= 40353BF0 40353CF8 40354408 403457E0 4034677C 40344C90 40344EC0 40345

120 40258D04 40258CF0

Thanks

1 REPLY
Silver

Re: IP-3-LOOPPAK error message

you are hitting bug CSCdp46489

http://www.cisco.com/cgi-bin/Support/Bugtool/onebug.pl?bugid=CSCdp46489&cco_product=IOS&fset=&swver=&keyw=IP-3-LOOPPAK%3A%20Looping%20packet%20detected%20and%20dropped%20-%20&target=&train=

Release Notes

%IP-3-LOOPPAK: Looping packet detected and dropped

being shown on the MSFC module for the Catalyst 6000

There doesn''t seem to be any impact to the network/performance

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