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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 12 Dec 2007 17:46:17 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Chris Friesen <cfriesen@...tel.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: "ip neigh show" not showing arp cache entries?

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@...hoon-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@...hoon-base-unit0:/tftpboot/cnp/0-0-5-0/0-0-5-0> ip neigh show
> root@...hoon-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@...hoon-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@...hoon-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





--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/