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Date:      Thu, 4 Aug 2011 08:56:48 +0300
From:      =?koi8-r?B?68/O2MvP1yDl18fFzsnK?= <kes-kes@yandex.ru>
To:        Peter Andreev <andreev.peter@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re[2]: freebsd ARP problem
Message-ID:  <12710521121.20110804085648@yandex.ru>
In-Reply-To: <CAE_wXn3dR27Pn4abAjo-SNmW=KURwfjz%2Bd0ost%2Bm3dOs-J%2BkYg@mail.gmail.com>
References:  <959573537.20110803161948@yandex.ru> <CAE_wXn3dR27Pn4abAjo-SNmW=KURwfjz%2Bd0ost%2Bm3dOs-J%2BkYg@mail.gmail.com>
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Hi, Peter.

GW-77.93.52.9/29 <---------> 77.93.52.10/29-MyServer
                               00:1b:21:45:da:b8

I have change LAN and not it is:
GW-77.93.52.9/29 <---------> 77.93.52.10/29-MyServer
                               00:30:67:5a:44:72

ping 77.93.52.9
^C
--- 77.93.52.9 ping statistics ---
3 packets transmitted, 0 packets received, 100.0% packet loss

tcpdump -n -i re0 arp
 15:39:46.540277 ARP, Request who-has 77.93.52.10 (00:1b:21:45:da:b8) tell 77.93.52.9, length 46
 š š š š0x0000: š001b 2145 dab8 0006 d602 e0c0 0806 0001 š..!E............
 š š š š0x0010: š0800 0604 0001 0006 d602 e0c0 4d5d 3409 š............M]4.
 š š š š0x0020: š001b 2145 dab8 4d5d 340a 0000 0000 0000 š..!E..M]4.......
 š š š š0x0030: š0000 0000 0000 0000 0000 0000 š š š š š š............

77.93.52.9 thinks that 77.93.52.10 have old MAC 00:1b:21:45:da:b8
Why freebsd do not answer for 'who-has' packet?


PA> Eugenie

PA> I didn't understand your question, so I ask you for some clarification.
PA> 3 มืวีำิม 2011šว. 17:19 ะฯฬฺุฯืมิลฬุ ๋ฯฮุหฯื ๅืวลฮษส
PA> <kes-kes@yandex.ru> ฮมะษำมฬ:
>> Hi, all.
>>
>> I delete IP address from one server and add it to this one.
PA> You moved IP address from one server to second one. Right?

>> But connection is not up, because of remote server (77.93.52.9)
>> ask IP and notice MAC in whe-has frame.
PA> Are you trying to connect from second server to third one?
PA> Whose ip address is 77.93.52.9?
>>
>> 15:39:46.540277 ARP, Request who-has 77.93.52.10 (00:1b:21:45:da:b8) tell 77.93.52.9, length 46
>> š š š š0x0000: š001b 2145 dab8 0006 d602 e0c0 0806 0001 š..!E............
>> š š š š0x0010: š0800 0604 0001 0006 d602 e0c0 4d5d 3409 š............M]4.
>> š š š š0x0020: š001b 2145 dab8 4d5d 340a 0000 0000 0000 š..!E..M]4.......
>> š š š š0x0030: š0000 0000 0000 0000 0000 0000 š š š š š š............
>>
>> Must freebsd replay to this who-has packet with
>> ARP, Reply 77.93.52.10 is at ....
>> šor it must it ignore, becase of 00:1b:21:45:da:b8 is not its MAC address?
PA> Are these servers in different network segments?
>>
>>
>> --
>> ๓ ีืมึลฮษลอ,
>> š๋ฯฮุหฯื š š š š š š š š š š š š šmailto:kes-kes@yandex.ru
>>
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-- 
๓ ีืมึลฮษลอ,
 ๋ฯฮุหฯื                          mailto:kes-kes@yandex.ru

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