porta
@attbi.com
| reply to AuroraMike
Re: [Networking] No route to ATTBI neighbor
Whether intentional or not, ATT in Beaverton feeds you information via DHCP that effectively make it impossible to talk to your neighbors. The only way to make it work is to change the netmask or install a static route to both your neighbor's and your router. |
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porta
@attbi.com
| Let me more specific. This is my route table after dhcp:
12.231.222.0 * 255.255.252.0 U 0 0 0 eth1
default 12-231-222-1.cl 0.0.0.0 UG 0 0 0 eth1
Essentially, it tells my router to broadcast whenever it wants to talk to anybody in the local subnet. The ATT headend does not broadcast anything.
I have to add an explicit route entry, with precedence over the DHCP supplied route, to make it work.
12.231.222.0 12-231-222-1.cl 255.255.252.0 UG 0 0 0 eth1 |
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