[Xorp-users] Missing OSPF neighbours
Dinesh Kumar
reach_dinesh at hotmail.com
Tue Jan 1 21:11:31 PST 2008
Hi All,
OSPF is working now. The cause of missing OSPF neighbours was the firewall running in Linux. When I disabled it, adjacency was established.
Thanks,
Dinesh
----------------------------------------
> From: reach_dinesh at hotmail.com
> To: atanu at ICSI.Berkeley.EDU
> Date: Thu, 27 Dec 2007 12:12:27 +0800
> CC: xorp-users at xorp.org
> Subject: Re: [Xorp-users] Missing OSPF neighbours
>
>
> Hi Atanu,
>
> Thank you so much for your reply. I tried removing the static routes and restarted the xorp_rtrmgr processes in both the PCs. But there is no adjacency yet. Also, I am connecting two PCs through a cross-cable, ethernet to ethernet direct.
>
> dinesh at linux-xorp> show ospf4 neighbor
> Address Interface State ID Pri Dead
> dinesh at linux-xorp>
>
> But in one of the PC, I am getting the following error while starting xorp_rtrmgr process, which I did not notice it before.
>
> [ 2007/12/27 12:02:34 ERROR xorp_fea:18805 LIBCOMM +114 comm_sock.c comm_sock_open ] Error opening socket (domain = 10, type = 2, protocol = 0): Address family not supported by protocol
> [ 2007/12/27 12:02:34 ERROR xorp_fea:18805 LIBCOMM +114 comm_sock.c comm_sock_open ] Error opening socket (domain = 10, type = 2, protocol = 0): Address family not supported by protocol
>
> Is this error related to forming adjacency between the PCs ?
>
> Thanks,
> Dinesh
> ----------------------------------------
>> To: reach_dinesh at hotmail.com
>> CC: xorp-users at xorp.org
>> Subject: Re: [Xorp-users] Missing OSPF neighbours
>> From: atanu at icsi.berkeley.edu
>> Date: Wed, 26 Dec 2007 14:26:58 -0800
>>
>> Hi,
>>
>> Your config files worked fine for me (I changed the interface addresses
>> for my setup and didn't include the static route). By the way I wouldn't
>> expect to see any ospf routes, the two routers can already reach each
>> other.
>>
>> Atanu.
>>
>> Xorp> show ospf4 neighbor
>> Address Interface State ID Pri Dead
>> 10.0.1.5 fxp1/fxp1 Full 10.0.0.1 128 33
>>
>> Xorp> show ospf4 neighbor
>> Address Interface State ID Pri Dead
>> 10.0.1.1 xl0/xl0 Full 10.0.0.2 128 35
>>
>> D>>>>> "Dinesh" == Dinesh Kumar writes:
>> Dinesh> ear XORP users,
>>
>> Dinesh> I have configured OSPF using xorp between 2 PCs running linux. I am not able to see any OSPF neighbours in the xorp shell (xorpsh) in both the PCs.
>>
>> Dinesh> PC1:(using config1.boot)
>> Dinesh> ------------------------------
>> Dinesh> dinesh at linux-xorp> show ospf4 neighbor
>> Dinesh> Address Interface State ID Pri Dead
>> Dinesh> dinesh at linux-xorp>
>>
>> Dinesh> dinesh at linux-xorp> show route table ipv4 unicast ospf
>> Dinesh> dinesh at linux-xorp>
>>
>> Dinesh> dinesh at linux-xorp> show ospf4 database
>> Dinesh> OSPF link state database, Area 0.0.0.0
>> Dinesh> Type ID Adv Rtr Seq Age Opt Cksum Len
>> Dinesh> Router *10.0.0.2 10.0.0.2 0x80000001 105 0x2 0x260a 36
>> Dinesh> dinesh at linux-xorp>
>>
>>
>> Dinesh> I am really not sure why there is no adjacency between these two PCs. I have checked the reachability between them also.
>>
>> Dinesh> From PC1 to PC2:
>> Dinesh> -----------------------
>> Dinesh> dinesh at linux-xorp> ping 10.0.0.1
>> Dinesh> PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
>> Dinesh> 64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=3.54 ms
>> Dinesh> 64 bytes from 10.0.0.1: icmp_seq=2 ttl=64 time=0.204 ms
>> Dinesh> 64 bytes from 10.0.0.1: icmp_seq=3 ttl=64 time=0.212 ms
>> Dinesh> 64 bytes from 10.0.0.1: icmp_seq=4 ttl=64 time=0.204 ms
>>
>> Dinesh> Command interrupted!
>>
>> Dinesh> dinesh at linux-xorp>
>>
>> Dinesh> From PC2 to PC1:
>> Dinesh> ----------------------
>> Dinesh> dinesh at linux-xorp2> ping 10.0.0.2
>> Dinesh> PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
>> Dinesh> 64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=0.191 ms
>> Dinesh> 64 bytes from 10.0.0.2: icmp_seq=2 ttl=64 time=0.182 ms
>> Dinesh> 64 bytes from 10.0.0.2: icmp_seq=3 ttl=64 time=0.177 ms
>>
>> Dinesh> Command interrupted!
>>
>> Dinesh> dinesh at linux-xorp2>
>>
>> Dinesh> I have attached the config.boot files of both the PCs. I would be very much obliged if somebody can point out if i have missed anything in config.boot. Thanks in advance.
>>
>> Dinesh> Regards,
>> Dinesh> Dinesh
>>
>> Dinesh> _________________________________________________________________
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>> Dinesh> http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/xorp-users
>
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