[CentOS] so many arp caches why?

Thu Aug 6 20:10:24 UTC 2009
MontyRee <chulmin2 at hotmail.com>

 
> Some other device on the subnet is doing proxy arp.
 
No. there is no other card.
and as you see, arp caches from eth0..
 
 ? (72.18.205.157) at 00:23:5E:12:63:FE [ether] on eth0
 
I updated all packages including kernel and rebooted 
but there was no changes..
 


----------------------------------------
> Date: Thu, 6 Aug 2009 13:58:59 -0500
> From: lesmikesell at gmail.com
> To: centos at centos.org
> Subject: Re: [CentOS] so many arp caches why?
>
> MontyRee wrote:
>>
>> Hello, all.
>>
>>
>> When I execute arp -a -n, there are lots of arp caches like below.
>> Surely, I set netmask and Broadcast without problem and routing table also no problem.
>>
>> System is CentOS release 4.7 i386.
>>
>> I know how to delete the arp cache,
>> but I don't know why ..
>>
>>
>> # ifconfig
>> eth0 Link encap:Ethernet HWaddr 00:A0:D1:E7:91:CC
>> inet addr:192.168.195.36 Bcast:192.168.195.63 Mask:255.255.255.192
>>
>> # route -n
>> 192.168.195.0 0.0.0.0 255.255.255.192 U 0 0 0 eth0
>> 0.0.0.0 192.168.195.36 0.0.0.0 UG 0 0 0 eth0
>>
>>
>> # arp -a -n
>>
>> ? (120.88.46.10) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (208.80.195.54) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (125.122.171.33) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (211.233.26.29) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (111.125.201.75) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (218.24.196.100) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (60.190.216.31) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (72.232.223.58) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (211.39.135.185) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (203.171.229.153) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (121.11.81.217) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (61.110.195.18) at 00:11:43:E0:7D:19 [ether] on eth0
>> ? (61.164.112.5) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (218.66.79.152) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (221.139.48.11) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (211.233.26.12) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (211.137.175.2) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (116.71.174.203) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (72.18.205.157) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (211.39.136.4) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (202.255.47.226) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (211.211.52.134) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (218.61.2.197) at 00:23:5E:12:63:FE [ether] on eth0
>> ? (61.164.151.12) at 00:23:5E:12:63:FE [ether] on eth0
>
> Some other device on the subnet is doing proxy arp.
>
> --
> Les Mikesell
> lesmikesell at gmail.com
>
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