Troubleshooting guide

Default Route
Default Route
G2
G3
G4
NetVanta 1234
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
G1
G2
G3
G4
1
3
5
9
11
13
15
2
4
6
8
10
12
14
16
17
19
21
23
18
20
22
24
STAT
G1
Internet
AS 500
AS 200
T1
ISP
Router
eth 0/1
PPP 1
192.168.1.1 /24
65.162.109.201 /30
65.162.109.202 /30
iBGP
Neighbor
Backup Internet
Router
AOS Device
192.168.1.2
192.168.1.254
Example Configurations
50 Copyright © 2012 ADTRAN, Inc. 61200860L1-29.4E
Figure 9. The BGP Advertised Default Route Is the Preferred Primary Internet Connection
The following configuration applies to Example 7:
!
interface eth 0/1
ip address 192.168.1.1 255.255.255.0
no shutdown
!
interface t1 1/1
clock source line
tdm-group 1 timeslots 1-24 speed 64
no shutdown
!
interface ppp 1
ip address 65.162.109.201 255.255.255.252
no shutdown
cross-connect 1 t1 1/1 1 ppp 1
!
!
ip prefix-list DEFAULT seq 10 permit 0.0.0.0/0
ip prefix-list FILTER seq 10 deny 0.0.0.0/0 le 32
!
route-map DEFAULT-ROUTE-IN permit 10
match ip address prefix-list DEFAULT
set local-preference 110
!