[Xorp-users] [OSPFv2] XORP ospf can't receive hello packet from other OSPF router

[Pavlin Radoslavov]

Syed Khalid <syed.khalid at xorp.net> wrote:

> Karnik
>   We tried to replicate this problem but were not able to. The 2 Ubuntu
> machine did form adjacency. The ip addresses were on the same subnet on both
> machines. We tried to plug/unplug the link but the adjecency stayed up.
> However, if we configued another interace on the same subnet - we see your
> problem. Do  not see if we are on a different subnet.
> Can you send us the output from:
> 1) ip addr
> 2) ifconfig -a
> 3) show interface from the xorpsh
     ~~~~~~~~~~~~~~

This command should be "show interfaces" .

Pavlin

> Also let us know if we can login to your system.
> 
> Syed
> 
> On Wed, Dec 17, 2008 at 6:56 AM, karnik <karnik.jain at einfochips.com> wrote:
> 
> > No , It is not related with 813
> >
> > I am facing this problem not every time so i can not tell you
> > it is a bug or something else.
> >
> >
> > Syed Khalid wrote:
> >
> >>
> >> Hi Karnik
> >>  Is this related to 813? From what I can read into your e-mail you have 2
> >> ubuntu PC's. When re-starting the networking on eth0, you get adjacency -
> >> however, after a while it fails giving the error message.
> >> Is there a way we can login into your system to take a look?
> >> Syed
> >>
> >>
> >>    ---------- Forwarded message ----------
> >>    From: *karnik* <karnik.jain at einfochips.com
> >>    <mailto:karnik.jain at einfochips.com>>
> >>    Date: Wed, Dec 17, 2008 at 1:07 AM
> >>    Subject: [Xorp-users] [OSPFv2] XORP ospf can't receive hello
> >>    packet from other OSPF router
> >>    To: xorp-users at xorp.org <mailto:xorp-users at xorp.org>
> >>
> >>
> >>    system configuration:
> >>    Ubuntu 8.04.1 ( as per /etc/issue.net <http://issue.net/>)
> >>    kernal : 2.6.24-19-server
> >>    GCC vesion: gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
> >>
> >>
> >>  -------------------------------------------------------------------------------
> >>    root at ubuntu:/usr/local/xorp/bin# uname -a
> >>    Linux ubuntu 2.6.24-19-server #1 SMP Wed Jun 18 15:18:00 UTC 2008 i686
> >>    GNU/Linux
> >>
> >>    *XORP version:* which is currently on XORP cvs
> >>
> >>
> >>  -------------------------------------------------------------------------------
> >>
> >>    *BUG:* XORP can't receive hello packet from other ospf router
> >>    having same area, same lan segment ,hello and dead interval.
> >>
> >>    *reason: message displayed on XORP log.*
> >>    xorp error : Failed to joined multicast group 224.0.0.5
> >>    <http://224.0.0.5/>: Address already in use.
> >>
> >>
> >>    And when i do /etc/init.d/networking restart at that time all
> >>    routers run well, but after some time as it is. When i again start
> >>    all routers at that time i faced same above mentioned error.
> >>
> >>    tell me what is wrong with XORP.
> >>
> >>    Test setup:
> >>
> >>    router 1 -------- router 2
> >>    eth0              eth0
> >>
> >>
> >>
> >>
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