Here's a wild guess. Try a soft reboot of just networking and those ethernet cards, like: /sbin/ifconfig eth0 down /sbin/ifconfig eth0 up /etc/init.d/network restart
Bradley Alexander wrote:
Got a networking question. I have this box thats acting as a firewall. Basically, its a PII/350 running Woody and gShield. eth0 is the external interface (DSL) and eth1 is the internal interface. When Verizon screwed him, he got cablemodem as a backup connection. So I added another interface (all three are 3Com 3C905s).
The problem is that whether I go in and change /etc/network/interfaces and restart networking or I manually go in and route del default the Verizon interface and add the Comcast as the default route (using the network info they gave me, but _not_ using DHCP), networking gets severely confused (e.g. doing a route command can take 30 seconds or more, can't pass traffic, etc). Switching back to the original configuration doesn't help, either. It remains hopelessly confused until you end up having to reboot. Once you reboot, it comes up normally, with either interface as the gateway. Since this one of the interfaces is a backup, I planned to write a script to automate the switchover. If I have to reboot every time I have to switch, it defeats the purpose.
This should not be normal behavior for networking, but I'm not sure where to look.
Thoughts?
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