[Xorp-users] Problems with mutlicast

Ben Greear greearb at candelatech.com
Wed Dec 28 09:58:08 PST 2011


On 12/28/2011 09:03 AM, Muzinich, Mike wrote:
> I have the new code loaded but multicast traffic is still not forwarding. There are numerous warnings in the error logs stating "Target "fib2mrib" does not
> exist or is not enabled" though I have the following in the configuration file. I don't see this warning on the other routers that are functioning normally with
> Xorp. I don't have the outside interface defined in the plumbing section as I am under the impression everything should go through tun0?
>
> fib2mrib {
> disable: false
> }

Please post the full logs and your config file.  I don't have much time currently,
but maybe someone else will have ideas.

Ben

>
> *Mike Muzinich
> Network Security Administrator
> Los Rios Community College District
> mike.muzinich at losrios.edu
> (916)568-3013*
>
> From: Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com>>
> Organization: Candela Technologies
> Date: Tue, 27 Dec 2011 14:11:42 -0800
> To: Mike Muzinich <muzinim at losrios.edu <mailto:muzinim at losrios.edu>>
> Cc: "xorp-users at xorp.org <mailto:xorp-users at xorp.org>" <xorp-users at xorp.org <mailto:xorp-users at xorp.org>>
> Subject: Re: [Xorp-users] Problems with mutlicast
>
> On 12/27/2011 12:34 PM, Muzinich, Mike wrote:
>
>     What is the URL to download the latest code? I don't get a version banner when I start the shell.
>
>
> git clone git://github.com/greearb/xorp.ct.git
>
> After that, to get any new updates, just do a 'git pull' in
> the newly created directory.
>
> Ben
>
>
>     vpn1:/root > /usr/local/xorp/sbin/xorpsh
>     Welcome to XORP on vpn1
>     root at vpn1> show version
>     Version 1.8.4
>
>     *Mike Muzinich
>     Network Security Administrator
>     Los Rios Community College District
>     mike.muzinich at losrios.edu <mailto:mike.muzinich at losrios.edu>
>     (916)568-3013*
>
>     From: Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com>>>
>     Organization: Candela Technologies
>     Date: Tue, 27 Dec 2011 11:38:33 -0800
>     To: Mike Muzinich <muzinim at losrios.edu <mailto:muzinim at losrios.edu> <mailto:muzinim at losrios.edu> <mailto:muzinim at losrios.edu>>>
>     Cc: "xorp-users at xorp.org <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org>>" <xorp-users at xorp.org
>     <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org>>>
>     Subject: Re: [Xorp-users] Problems with mutlicast
>
>     On 12/27/2011 09:57 AM, Muzinich, Mike wrote:
>
>     I am using the latest code from GIT, I think. Is there a file I can check to ensure I am using the latest code?
>
>
>     The latest code will print a version when you start xorpsh,
>     and should show 1.8.5-WIP:
>
>     [root at lec2010-ath9k-1 lanforge]# /usr/local/xorp/sbin/xorpsh
>     Welcome to XORP v1.8.5-WIP on lec2010-ath9k-1
>     Version tag: 52ea68a Build Date: 2011-10-05 16:36 32-bit
>     root at lec2010-ath9k-1>
>
>     Ben
>
>
>     *Mike Muzinich
>     Network Security Administrator
>     Los Rios Community College District
>     mike.muzinich at losrios.edu <mailto:mike.muzinich at losrios.edu> <mailto:mike.muzinich at losrios.edu>
>     (916)568-3013*
>
>     From: Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com>
>     <mailto:greearb at candelatech.com>> <mailto:greearb at candelatech.com>>>>
>     Organization: Candela Technologies
>     Date: Thu, 22 Dec 2011 20:12:23 -0800
>     To: Mike Muzinich <muzinim at losrios.edu <mailto:muzinim at losrios.edu> <mailto:muzinim at losrios.edu> <mailto:muzinim at losrios.edu> <mailto:muzinim at losrios.edu>>
>     <mailto:muzinim at losrios.edu>>>>
>     Cc: "xorp-users at xorp.org <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org>>
>     <mailto:xorp-users at xorp.org>>>" <xorp-users at xorp.org <mailto:xorp-users at xorp.org>
>     <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org> <mailto:xorp-users at xorp.org>> <mailto:xorp-users at xorp.org>>>>
>     Subject: Re: [Xorp-users] Problems with mutlicast
>
>     On 12/22/2011 03:30 PM, Muzinich, Mike wrote:
>
>     We are having problems getting multicast working through a GRE tunnel. All other traffic passes through the tunnel except for multicast. Both GRE endpoints are
>     multi-homed. When I generate multicast traffic, I see traffic hit the inside interface but I don't see it hit the outside or tunnel interface. PIM neighbors,
>     bootstrap, mrib, and rps all look fine but every entry in the mfc table doesn't have an outgoing interface.
>
>     I have tried disabling and enabling net.ipv4.conf.default.rp_filter with no change in behavior , routed all multicast traffic through tun0, enabled multicast on
>     the tunnel interface and gre0, and tried this with and without the outside interface in the Xorp configuration. Most of the warning messages related to the
>     tunnel are:
>
>     [ 2011/12/22 15:18:07.618194 WARNING xorp_pimsm4 PIM ] JoinDesired(S,G) = true: upstream neighbor for source X.X.X.X and group 224.0.1.60: not found
>
>     Any help I can get will be appreciated. We are running version 1.8.4.
>
>
>     Use the latest code from GIT...I think I fixed that since the last release.
>
>     Thanks,
>     Ben
>
>
>     *Mike Muzinich
>     Network Security Administrator
>     Los Rios Community College District
>     mike.muzinich at losrios.edu <mailto:mike.muzinich at losrios.edu> <mailto:mike.muzinich at losrios.edu> <mailto:mike.muzinich at losrios.edu>
>     (916)568-3013*
>
>
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>
>
>
>     --
>     Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com>
>     <mailto:greearb at candelatech.com>> <mailto:greearb at candelatech.com>>>>
>     Candela Technologies Inc http://www.candelatech.com
>
>
>
>     --
>     Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com> <mailto:greearb at candelatech.com>>>
>     Candela Technologies Inc http://www.candelatech.com
>
>
>
> --
> Ben Greear <greearb at candelatech.com <mailto:greearb at candelatech.com>>
> Candela Technologies Inc http://www.candelatech.com
>


-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com



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