> Bill Tangren wrote: >>>> -----Original Message----- >>> Some ideas: >>> >>> Turn off firewalling if possible. >>> >>> Check default route >>> # ip route list >>> 10.212.166.0/24 dev eth0 proto kernel scope link src 10.212.166.26 >>> 169.254.0.0/16 dev eth0 scope link >>> default via 10.212.166.1 dev eth0 <----!!!! >>> >>> correct if necessary. >>> >>> Check for UDP connectivity >>> >>> # nmap -PU -p53 DNS.SERVER.IP.ADDRESS >>> >>> # traceroute -U DNS.SERVER.IP.ADDRESS >> >> >> OK, this is what is produced on the server that works: >> >> ***** >> [root@mach2 X11]# ip route list >> 169.254.0.0/16 dev eth0 scope link >> 10.0.0.0/8 dev eth0 proto kernel scope link src 10.1.5.58 >> default via 10.1.1.2 dev eth0 > > So mach2:eth0 has an IP of 10.1.5.58, right? Correct. > >> [root@mach2 ~]# nmap -PU -p53 10.1.1.6 >> Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2007-12-12 15:33 >> EST >> Note: Host seems down. If it is really up, but blocking our ping probes, >> try -P0 >> Nmap run completed -- 1 IP address (0 hosts up) scanned in 2.054 seconds >> >> [root@mach2 ~]# nmap -PU -p53 10.1.1.46 >> Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2007-12-12 15:33 >> EST >> Interesting ports on aurora.timenet.usno.navy.mil (10.1.1.46): >> PORT STATE SERVICE >> 53/tcp open domain >> MAC Address: 00:18:8B:38:28:97 (Unknown) >> >> Nmap run completed -- 1 IP address (1 host up) scanned in 0.295 seconds >> >> [root@mach2 ~]# >> ***** >> >> The server that doesn't looks like this: >> >> ***** >> [root@aa-cvs ~]# ip route list >> 169.254.0.0/16 dev eth0 scope link >> 10.0.0.0/8 dev eth0 proto kernel scope link src 10.1.5.58 >> default via 10.1.1.2 dev eth0 > > and aa-cvs:eth0 also has an IP address of 10.1.5.58, right? > > See the problem yet? Same IP address on two nodes? Sorry. That's a cut and paste error. It is actually 10.1.5.94. I just rechecked. -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list