[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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