回复: How to config a ospf stub area?
chan alfie
zlinuxboy at outlook.com
Wed Apr 10 04:48:11 CEST 2024
rt3
```
rt3# bird -c /etc/bird/lab/rt3.conf -p
bird: /etc/bird/lab/rt3.conf:173:1 ASBR must be in non-stub area
```
does it mean this router is an ASBR? but this router only connect to rt4. and does not contain static route, here is the complete bird.conf
```
log syslog all;
log "/var/log/bird-rt3.log" all;
debug protocols all;
router id 172.16.8.3;
protocol device {
scan time 10;
}
protocol direct {
disabled;
ipv4;
}
filter kernel_out
prefix set reject_local_net;
{
reject_local_net = [ 4.8.3.0/28+, 172.16.34.0/30 ];
if net ~ reject_local_net then reject;
else accept;
}
protocol kernel {
ipv4 {
import none;
export filter kernel_out;
};
learn;
scan time 20;
persist;
merge paths on;
}
protocol ospf v2 {
ipv4 {
import all;
export all;
};
area 172.16.34.0 {
stub;
summary yes;
interface "veth34" {
type bcast;
cost 10;
hello 10;
};
interface "lo3" {
stub yes;
};
};
}
```
so how to identify if a router is asbr of abr?
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