dhcpd makes eth1 falls out randomly???

[Paal Marker]

rh8, dhcp/name/samba server.  Internal network over eth0.  eth1 connects 
to ISP

Internet falls out, and I find this message in /var/log/messages 
matching time for eth1's fall-out.



Mar 30 23:37:50 firewall dhcpd: No subnet declaration for eth1 
(62.16.177.96).
Mar 30 23:37:50 firewall dhcpd: ** Ignoring requests on eth1.  If this 
is not what
Mar 30 23:37:50 firewall dhcpd:
Mar 30 23:37:50 firewall dhcpd:    you want, please write a subnet 
declaration

/sbin/ifconfig eth1 gives:

eth1      Link encap:Ethernet  HWaddr 00:60:97:09:D2:03 
          inet addr:62.16.177.96  Bcast:62.16.177.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11938 errors:0 dropped:0 overruns:1 frame:0
          TX packets:9079 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:12837587 (12.2 Mb)  TX bytes:980264 (957.2 Kb)
          Interrupt:5 Base address:0xc000

Anyone have any idea?