Most likely the hardware compression is mucking up the multicast traffic...
I've had many many issues with hardware compression and multicast (got to
know TAC people all across the world).. I'll try to dig up the bug ID.....
What image are you using?
Bob
> -----Original Message-----
> From: Simon Watson [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, July 25, 2001 5:25 AM
> To: [EMAIL PROTECTED]
> Subject: Problems with AIM compression on 3660/2600 [7:13742]
>
>
> Hi Guys I have just installed a 3660 and 7 2600's (the 2600's
> connected
> to the 3660with 256k WAN links via 2 quad serial cards on 3660). ospf
> configured(all routers on area 0), I have just changed the compression
> from software to hardware to ultilize the AIM modules
> installed in both
> the 3660 & 2600's( I set up PPP Encapsulation from HDLC on
> all routers,
> and configured compress stac caim 0 on 2600's & compress stac
> caim 0-3 on
> 3660) However as soon I made the change I was receiving the OSPF error
> message: SPF-4-ERRRCV: Received invalid packet: Bad Checksum from
> 10.100.6.1, Serial0/0
> Jul 25 03:27:15: %OSPF-4-ERRRCV: Received invalid packet: Bad Checksum
> from 10.100.6.1, Serial0/0
> Jul 25 03:27:21: %OSPF-4-ERRRCV: Received invalid packet: Bad Checksum
> from 10.100.6.1, Serial0/0 This was happening on all the 2600's, OSPF
> routes were being lost, on when I reverted to software compression the
> problem subsided. Has anyone seen this problem before.Pls let
> me know Rgrds
> Simon.
>
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