Re: AARP corruption/netatalk (fwd)

From: Alistair Riddell (ali@watsons.edin.sch.uk)
Date: Tue Feb 15 2000 - 11:42:34 EST


On Tue, 15 Feb 2000, Alan Cox wrote:

> > Typically the machine's hardware address shows in /proc/net/aarp but the
> > corresponding AppleTalk address does not match that found in the AppleTalk
> > control panel.
>
> "interesting". Does it match any other mac or seem recognizable. Does it
> happen when people turn machines on (I have a suspicion I know what might
> cause such bizarre behaviour)

Hi Alan,

OK here is a case I have just come across. Client is an iMac running Open
Transport 2.5.1.

AppleTalk address of the client as reported in the AppleTalk control panel
is 12.229. MAC address of the client is 00 0A 27 7C C3 DA.

Server yields the following information:

frank:~> cat /proc/net/aarp|grep 229
    12:229 eth0 00:50:E4:E6:1D:58 4170563584 25743511 resolved

I am pretty certain that there is no other machine on the network with MAC
address 00:50:E4:E6:1D:58 since the address does not appear in any
arp/aarp table or in the switch address tables.

As usual TCP-IP works correctly. /proc/net/arp shows the correct info.
The client in question has no problem talking to other AppleTalk devices
on the network.

Let me know if there is anything further I can do.

For reference here is a dump of the whole of /proc/net/aarp:

address device hw addr last_sent expires xmit_count status
    12:165 eth0 00:0A:27:7D:2D:F2 0 2538721 1 resolved
    12:32 eth0 00:0A:27:B2:ED:34 1043346236 2537549 1 resolved
    12:47 eth0 00:05:02:67:D3:D3 1043609916 2465434 1 resolved
    12:78 eth0 00:0A:27:93:BF:BA 1043346236 2539649 1 resolved
    12:94 eth0 00:0A:27:93:C3:6E 2099710464 2538993 1 resolved
    12:229 eth0 00:50:E4:E6:1D:58 4170563584 2668059 1 resolved
    12:154 eth0 00:C0:95:F8:4F:19 0 2590761 1 resolved
    12:230 eth0 00:50:E4:10:26:0D 4170563584 2540348 1 resolved
    12:170 eth0 00:0A:27:96:EC:EA 2468809216 2539176 1 resolved
    12:81 eth0 00:05:02:67:E9:A8 0 2588708 1 resolved
    12:171 eth0 00:0A:27:7C:CD:A4 2955348480 2536900 1 resolved
    12:97 eth0 00:50:E4:99:93:55 283398144 2540009 1 resolved
    12:188 eth0 00:50:E4:C0:95:25 2045005824 2542016 1 resolved
    12:158 eth0 00:0A:27:7D:39:18 1043346236 2538413 1 resolved
    12:204 eth0 00:50:E4:99:D1:2A 1043346236 2540907 1 resolved
    12:174 eth0 00:05:02:DF:35:80 2519140864 2541491 1 resolved
    12:219 eth0 00:0A:27:93:C2:AA 2468809216 2539407 1 resolved
    12:9 eth0 00:0A:27:7D:38:4E 2988902912 2538158 1 resolved
    12:130 eth0 00:05:02:04:5D:15 4170563584 2485215 1 resolved
    12:26 eth0 00:05:02:F9:B2:0C 0 2491681 1 resolved
    12:221 eth0 00:80:3E:76:52:EB 0 2533685 1 resolved
    12:42 eth0 00:0A:27:B1:41:D4 3005680128 2537283 1 resolved
    12:118 eth0 00:50:E4:79:66:27 2581876736 2565693 1 resolved
    12:28 eth0 00:0A:27:93:C1:20 2468809216 2538575 1 resolved
    12:238 eth0 00:0A:27:B3:14:AE 2082933248 2556436 1 resolved
    12:223 eth0 00:0A:27:7A:80:72 4170563584 2451443 1 resolved
    12:194 eth0 00:0A:27:B0:83:86 0 2593715 1 resolved

-- 
Alistair Riddell - BOFH
IT Support Department, George Watson's College, Edinburgh
Tel: +44 131 447 7931 Ext 176       Fax: +44 131 452 8594
Microsoft - because god hates us

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