linux-kernel - Re: "ip neigh show" not showing arp cache entries?

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Date:	Tue, 18 Dec 2007 08:52:01 -0600
From:	"Chris Friesen" <cfriesen@...tel.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	yoshfuji@...ux-ipv6.org, dada1@...mosbay.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: "ip neigh show" not showing arp cache entries?

Herbert Xu wrote:
> Chris Friesen <cfriesen@...tel.com> wrote:
> 
>>However, if I specifically try to print out one of the missing entries, 
>>it shows up:
>>
>>root@...hoon-base-unit0:/root> /tmp/ip neigh show 192.168.24.81
>>192.168.24.81 dev bond2 lladdr 00:01:af:14:e9:8a REACHABLE
> 
> 
> What about
> 
> 	ip -4 neigh show

Looks like that did it.  Why does specifying the family make a difference?

root@...hoon-base-unit0:/root> ip neigh show
10.41.18.1 dev eth6 lladdr 00:00:5e:00:01:01 STALE
172.24.137.0 dev bond0 lladdr 00:c0:8b:08:e4:88 REACHABLE
172.24.0.9 dev bond0 lladdr 00:07:e9:41:4b:b4 REACHABLE
10.41.18.101 dev eth6 lladdr 00:0e:0c:5e:95:bd REACHABLE
172.24.0.11 dev bond0 lladdr 00:03:cc:51:06:5e STALE
172.24.132.1 dev bond0 lladdr 00:01:af:14:e9:88 REACHABLE
172.24.0.15 dev bond0 lladdr 00:0e:0c:85:fd:d2 STALE
172.24.0.3 dev bond0 lladdr 00:01:af:14:c8:cc REACHABLE
172.24.0.5 dev bond0 lladdr 00:01:af:15:e0:6a STALE

root@...hoon-base-unit0:/root> ip -4 neigh show
192.168.24.81 dev bond2 lladdr 00:01:af:14:e9:8a REACHABLE
172.24.132.2 dev bond0  FAILED
172.24.136.0 dev bond0 lladdr 00:c0:8b:07:b3:7e REACHABLE
10.41.18.1 dev eth6 lladdr 00:00:5e:00:01:01 STALE
172.24.137.0 dev bond0 lladdr 00:c0:8b:08:e4:88 REACHABLE
172.24.0.9 dev bond0 lladdr 00:07:e9:41:4b:b4 REACHABLE
10.41.18.101 dev eth6 lladdr 00:0e:0c:5e:95:bd REACHABLE
172.24.0.11 dev bond0 lladdr 00:03:cc:51:06:5e STALE
172.24.132.1 dev bond0 lladdr 00:01:af:14:e9:88 REACHABLE
172.24.0.15 dev bond0 lladdr 00:0e:0c:85:fd:d2 STALE
172.24.0.3 dev bond0 lladdr 00:01:af:14:c8:cc REACHABLE
172.24.0.5 dev bond0 lladdr 00:01:af:15:e0:6a STALE

Chris
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