How-To Geek on MSN

Stop using these 5 deprecated Linux commands (and what to use instead)

You've been typing the wrong commands for years. Linux moved on, and nobody bothered to tell you.
Ars Technica

possible proxy-arp issue resulting in duplicate address but can't confirm it

We've got a device on a new, dedicated vlan (the only only other device on it is the SVI from the cisco switch) that is reporting IP conflicts. Code: eth0 IP conflict by 68-EF-BD-21-9E-1A! eth0 IP ...
Computerworld

ARP networking tricks

In March we introduced the Address Resolution Protocol (ARP), a half-brother to the TCP/IP stack that maps the logical IP address space into the real world of Ethernet hardware addresses. We didn’t ...
Ars Technica

Can you explain to me what some of these lines from tcpdump mean?

00:49:05.074516 B arp who-has cable-i-45.sigecom.net tell cable-i-41.sigecom.net<BR>00:49:05.074516 B arp who-has cable-p-108.sigecom.net tell cable-p-01.sigecom.net<BR>00:49:05.084516 B arp who-has ...