Pantek Library
Hosting Provided By
CybrHost
High Speed Hosting
Mailing Lists: lists.debian.org > debian-isp > 07 > 100530.html (Request Expert lists.debian.org Support)

arp who-has problem

From: tomfi <tomfi(at)volny.cz>
Date: Mon Oct 08 2007 - 13:15:57 EDT


Hi, i dont know why bud my debian router dont reply on arp requests... have you any Idea what is wrong?
Situation:

# ip addr show dev eth1

 3: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc htb qlen 1000

    link/ether 00:50:8b:60:77:ed brd ff:ff:ff:ff:ff:ff     inet 192.168.1.1/24 brd 192.168.1.255 scope global eth1     inet 172.17.178.1/24 brd 172.17.178.255 scope global eth1:1     inet6 fe80::250:8bff:fe60:77ed/64 scope link

       valid_lft forever preferred_lft forever

# tcpdump -i eth1 -n net 192.168.1.0/24

tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes 20:36:55.378542 arp who-has 192.168.1.1 (00:50:8b:60:77:ed) tell 192.168.1.169
20:36:55.378828 arp reply 192.168.1.1 is-at 00:50:8b:60:77:ed

# tcpdump -i eth1 -n net 172.17.178.0/24
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode 

listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
20:34:06.854972 arp who-has 172.17.178.1 tell 172.17.178.12
20:34:07.854536 arp who-has 172.17.178.1 tell 172.17.178.12
20:34:08.859466 arp who-has 172.17.178.1 tell 172.17.178.12
20:34:09.855324 arp who-has 172.17.178.1 tell 172.17.178.12
20:34:10.854781 arp who-has 172.17.178.1 tell 172.17.178.12

First IP is well replied, second never.
Thanks for any help.

        Tomfi 

-- 
To UNSUBSCRIBE, email to debian-isp-REQUEST@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org
Received on Mon Oct 8 13:27:46 2007
Do you need help?X

This archive was generated by hypermail 2.1.8 : Wed Mar 19 2008 - 06:50:56 EDT

Contact Us  Legal Notices  Order Services Online 
Pantek Home  Privacy Policy  IT news  Site Map  Pantek Library