External Network Change

[Patrick Nelson]

 > Bob Chiodini Wrote:
 >
 >Patrick Nelson wrote:
 >> FC3 (all up to date)
 >>
 >> This may seem simple but I'm changing ISPs and I have 2 internet facing
 >> systems that also connect to the private network.  One being the GW the
 >> other being Mail.  So I have the gateway working fine but I can not get
 >> the mail server working in the changed network config.  I just want to
 >> make sure I'm not missing anything, because I think that the ISP is not
 >> routing, switching, or configured correctly.
 >>
 >> -The two systems are attached to a Hub along with the connection to the
 >> Internet.
 >> -The gateway system is working fine with the new ISP changes (serves as
 >> the DNS and GW)
 >> -The mail server can be configured with the new ISP, but once I do that
 >> system can not ping the internet
 >> --however it can ping the internet side of the GW
 >> --and the intranet.
 >> -With ethereal I sniffed the mail server connection and it does appear
 >> to get anthing back from the ISP GW
 >>
 >> Here are the changes that I make to mail server:
 >>
 >> 1. Use system-config-network to change the:
 >>  -IP Address
 >>  -Subnet Mask
 >>  -Gateway
 >> 2. Change the IPTables Firewall Script to match the new config
 >> 3. Turn off the firewall script for the first booting in the new 
network
 >> config
 >> 4. Reboot
 >>
 >> The booting goes fine but I can not ping anything other than the GW
 >> system on the Internet side.
 >>
 >> Is there anything that I'm missing or might try?  Or does this sound
 >> like a routing problem on the side of my ISP?
 >>
 >
 >Patrick,
 >
 >Post the output of ifconfig and route -n from both machines.  It sounds
 >like the default gateway on the mail server is incorrect.
 >
 >Bob...

Sorry for the delay I was out on a site.

Here it is:
------------
- ifconfig -
------------
eth0      Link encap:Ethernet  HWaddr 00:60:B0:C3:D4:C1
          inet addr:206.58.200.39  Bcast:206.58.201.255  Mask:255.255.254.0
          inet6 addr: fe80::260:b0ff:fec3:d4c1/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1136 errors:0 dropped:0 overruns:0 frame:0
          TX packets:492 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:195090 (190.5 KiB)  TX bytes:37578 (36.6 KiB)
          Interrupt:9 Base address:0xece0

eth1      Link encap:Ethernet  HWaddr 00:03:5D:07:C1:32
          inet addr:10.1.1.1  Bcast:10.1.255.255  Mask:255.255.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1310 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1310 errors:3 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:655425 (640.0 KiB)  TX bytes:221435 (216.2 KiB)
          Interrupt:9 Base address:0x100

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:440 errors:0 dropped:0 overruns:0 frame:0
          TX packets:440 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:61126 (59.6 KiB)  TX bytes:61126 (59.6 KiB)

------------
- route -n -
------------
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface
206.58.200.0    0.0.0.0         255.255.254.0   U     0      0        0 eth0
10.1.0.0           0.0.0.0         255.255.0.0     U     0      0        
0 eth1
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth1
0.0.0.0         206.58.200.1    0.0.0.0         UG    0      0        0 eth0

Does anything here show a problem on my side rather than the ISP?  Thanks!