LINUX.IE, website of the Irish Linux Users' Group
Tux rules!

   
Home
New Users
Articles
Download
Projects
Community
Vendors

  Print Version
Email to...
 
Archives:


planetILUG

Recent News

News Archive


Join the
ILUG
on FaceBook


Join the
ILUG
on LinkedIn


Join the
ILUG SETI
Group



















 
 :: Mailing Lists

[ILUG] ARP Insanity!

[ILUG] ARP Insanity!

Nick Murtagh nickm at go2.ie
Tue Feb 21 14:59:32 GMT 2006


Paul Jakma wrote:
> Or, before resorting to above, try installing a static ARP entry on 
> the 'old' server with 'arp'?

On Server A:

# arp -s 10.2.1.230 -i eth0 00:20:ED:79:2F:70
# arp -an
? (10.2.1.1) at 00:00:5E:00:01:02 [ether] on eth0
? (10.2.1.228) at 00:20:ED:79:2F:75 [ether] on eth0
? (10.2.1.6) at 00:20:ED:79:2F:70 [ether] on eth0
? (10.2.1.230) at 00:20:ED:79:2F:70 [ether] PERM on eth0
? (10.2.1.229) at 00:20:ED:79:22:C3 [ether] on eth0
#


On a third machine:

# arp -d 10.2.1.230
# arp -an
? (10.2.1.21) at 00:11:43:FD:8A:4E [ether] on eth0
? (10.2.1.228) at 00:20:ED:79:2F:75 [ether] on eth0
? (10.2.1.230) at <incomplete> on eth0
? (10.2.1.1) at 00:00:5E:00:01:02 [ether] on eth0
# arping -b 10.2.1.230
ARPING 10.2.1.230 from 10.2.1.22 eth0
Unicast reply from 10.2.1.230 [00:20:ED:79:2F:70]  0.771ms
Unicast reply from 10.2.1.230 [00:14:22:B0:5E:80]  0.855ms
Unicast reply from 10.2.1.230 [00:20:ED:79:2F:70]  0.705ms
Unicast reply from 10.2.1.230 [00:14:22:B0:5E:80]  0.748ms
Unicast reply from 10.2.1.230 [00:20:ED:79:2F:70]  0.679ms
Unicast reply from 10.2.1.230 [00:14:22:B0:5E:80]  0.723ms
Sent 3 probes (3 broadcast(s))
Received 6 response(s)
#


 >:(



More information about the ILUG mailing list
Read this without the formatting.
                                                                                                    

 

Hosted by HEAnet


Maintained by the ILUG website team. The aim of Linux.ie is to support and help commercial and private users of Linux in Ireland. You can display ILUG news in your own webpages, read backend information to find out how. Networking services kindly provided by HEAnet, server kindly donated by Dell. Linux is a trademark of Linus Torvalds, used with permission. No penguins were harmed in the production or maintenance of this highly praised website. Looking for the Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!
RSS Version
Powered by Dell