Hello,

I have a linux box that for some reason can't go out to the internet. It can ping and resolve all addresses on the local network... but it can't ping anything out on internet. It gets an IP just fine if I set it up as a DHCP client... but the same thing occurs even if I have it with a static IP.

On the otherhand, all my other Windows and Linux boxes, connect just fine. It's soooooooo wierd.

If anyone could please help... I can't seem to figure this out. Below if my configurations... let me know if maybe something seems incorrect.


My Linux Box
-------------------
hostname: asterisk1.local

/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=10.10.10.12
NETMASK=255.255.255.0
GATEWAY=10.10.10.1

/etc/sysconfig/network
NETWORKING=yes
HOSTNAME=asterisk1.local
GATEWAY=10.10.10.1

/etc/resolv.conf
; generated by /sbin/dhclient-script
search localdomain
nameserver 10.10.10.1

/etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 asterisk1.local asterisk1 localhost
10.10.10.12 asterisk1.local asterisk1

ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:E0:81:62:25:3A
inet addr:10.10.10.12 Bcast:10.10.10.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1449667 errors:0 dropped:0 overruns:0 frame:0
TX packets:1341905 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:294565790 (280.9 Mb) TX bytes:287724851 (274.3 Mb)
Interrupt:11 Base address:0xc000 Memory:ec042000-ec042038

eth1 Link encap:Ethernet HWaddr 00:E0:81:62:25:39
inet addr:10.10.10.13 Bcast:10.10.10.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:309425 errors:0 dropped:0 overruns:0 frame:0
TX packets:178784 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:41504827 (39.5 Mb) TX bytes:38577009 (36.7 Mb)
Interrupt:10 Base address:0xc800 Memory:ec041000-ec041038

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:71270 errors:0 dropped:0 overruns:0 frame:0
TX packets:71270 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:11094723 (10.5 Mb) TX bytes:11094723 (10.5 Mb)

route

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.10.10.0 * 255.255.255.0 U 0 0 0 eth1
10.10.10.0 * 255.255.255.0 U 0 0 0 eth0
default 10.10.10.1 0.0.0.0 UG 0 0 0 eth1


Please help, or direct me to someone/something that can....

-tofu

Couple of question:

1. when you get the DHCP or static IP, is that from your router?

2. are you trying to ping using www.domain.com? or IP?
try using IP (of your ISP, for example) and see if you get anything.

Also try configuring your ISP's DNS server addresses in your interface config. It could be that DHCP isn't passing this info on for some reason or you're gateway doesn't have them configured.

Cheers,
Cleidh Mor

Post my ISPs DNS servers under /etc/resolv.conf or /etc/sysconfig/network-scripts/ifcfg-eth0.

I've done it under the resolv.conf and had the same result.
If I should do it the other way... how do i define the DNS?

-tofu

Various distro's have various tools to config this stuff for you, e.g. with SuSE, you can use YaST to configure this. resolv.conf should work tho. Can you ping the DNS servers from your box?

Cheers,
Cleidh Mor

nm. I just figured out what the problem was. My firewall had an incorrect HOST entry, when I removed it... it cleared up all the problems I was having.

Thanks for all your help, this is an AWESOME forum!

-tofu