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From: Eric Dumazet <dada1@cosmosbay.com>
To: Chris Friesen <cfriesen@nortel.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: "ip neigh show" not showing arp cache entries?
Date: Wed, 12 Dec 2007 17:46:17 +0100	[thread overview]
Message-ID: <47601059.8020203@cosmosbay.com> (raw)
In-Reply-To: <47600A6E.8000202@nortel.com>

Chris Friesen a écrit :
> I retested it on an x86 machine and am seeing similar problems.
>
> First, "arp" gives the arp table as expected:
>
> root@typhoon-base-unit0:/tftpboot/cnp/0-0-5-0/0-0-5-0> arp -n
> Address                  HWtype  HWaddress           Flags Mask    Iface
> 172.24.0.9               ether   00:03:CC:51:06:5E   C    bond0
> 10.41.18.101             ether   00:0E:0C:5E:95:BD   C    eth6
> 172.24.137.0             ether   00:C0:8B:08:E4:88   C    bond0
> 172.24.136.0             ether   00:C0:8B:07:B3:7E   C    bond0
> 10.41.18.1               ether   00:00:5E:00:01:01   C    eth6
> 172.24.0.5               ether   00:01:AF:15:E0:6A   C    bond0
> 172.24.0.13              ether   00:0E:0C:85:FD:D2   C    bond0
> 172.24.0.3               ether   00:01:AF:14:C8:CC   C    bond0
> 172.24.132.1             ether   00:01:AF:14:E9:88   C    bond0
> 172.24.0.7               ether   00:07:E9:41:4B:B4   C    bond0
> 192.168.24.81            ether   00:01:AF:14:E9:8A   C    bond2
>
> "ip neigh show" gives nothing, but if I search for specific addresses 
> from the arp table listing they show up:
>
> root@typhoon-base-unit0:/tftpboot/cnp/0-0-5-0/0-0-5-0> ip neigh show
> root@typhoon-base-unit0:/tftpboot/cnp/0-0-5-0/0-0-5-0> ip neigh show 
> 172.24.0.9
> 172.24.0.9 dev bond0 lladdr 00:03:cc:51:06:5e DELAY
> root@typhoon-base-unit0:/tftpboot/cnp/0-0-5-0/0-0-5-0> ip neigh show 
> 10.41.18.101
> 10.41.18.101 dev eth6 lladdr 00:0e:0c:5e:95:bd REACHABLE
> root@typhoon-base-unit0:/tftpboot/cnp/0-0-5-0/0-0-5-0> ip neigh show 
> 172.24.137.0
> 172.24.137.0 dev bond0 lladdr 00:c0:8b:08:e4:88 REACHABLE
>
>
> Is this expected behaviour?
Probably not... Still a 2.6.14 kernel ?

Could you send the result of :

strace ip neigh show






  reply	other threads:[~2007-12-12 16:50 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-10 17:36 "ip neigh show" not showing arp cache entries? Chris Friesen
2007-12-10 17:54 ` Chris Friesen
2007-12-12 16:21   ` Chris Friesen
2007-12-12 16:46     ` Eric Dumazet [this message]
2007-12-12 18:25       ` Chris Friesen
2007-12-12 18:52         ` Eric Dumazet
2007-12-12 21:57           ` Chris Friesen
2007-12-12 22:06             ` YOSHIFUJI Hideaki / 吉藤英明
2007-12-17 15:32               ` Chris Friesen
2007-12-17 18:02                 ` Patrick McHardy
2007-12-17 19:47                   ` Chris Friesen
2007-12-17 23:51                     ` Patrick McHardy
2007-12-18  0:33                       ` Thomas Graf
2007-12-18  0:35                         ` Patrick McHardy
2007-12-18  3:33                 ` Herbert Xu
2007-12-18 14:52                   ` Chris Friesen
2007-12-19  1:14                     ` Herbert Xu
2007-12-19 14:28                       ` Chris Friesen
2007-12-19 14:28                         ` Chris Friesen
2007-12-25  1:06                         ` Herbert Xu

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