My hostname not being registered via DHCP

From: UncleStoner (unclestoner_at_hotmail.com)
Date: 01/31/05 

Date: 31 Jan 2005 14:42:19 -0800

Hello,
I'm a Linux newbie.
I have just installed Redhat Linux 8.0. I'm using DHCP to get a IP
address, DNS servers, etc. That's all working fine. The problem is,
the hostname of my linux box isn't being registered with DNS by DHCP.
The hostname of my Linux box is "seratonin", and I can't ping it from
other machines on my network (either by "seratonin" or
"seratonin.mycompany.com".

Below are all the setup files that might be relevant

/etc/hosts:
127.0.0.1 localhost.localdomain localhost seratonin

/etc/resolv.conf
; generated by /sbin/dhclient-script
search mycompany.com
nameserver 10.9.3.23
nameserver 10.9.3.22

/etc/sysconfig/network
NETWORKING=yes
HOSTNAME=seratonin.mycompany.com

/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=dhcp
ONBOOT=yes
USERCTL=no
PEERDNS=yes
TYPE=Ethernet
DHCP_HOSTNAME=3D"seratonin.mycompany.com"

Note that for DHCP_HOSTNAME above I've tried "seratonin",
"seratonin.mycompany.com", 3D"seratonin", and leaving it out. I don't
know what the deal with the '3D' is, I saw it suggested somewhere.

Can anyone help me? It seems like it should be a pretty common
configuration.

Thanks,
Dave

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