Troubleshooting guide
MPLS
Site B
(LAN)
AS 65003
AS 65002
192.168.1.1 /24
172.16.1.2 /30
172.16.1.1 /30
T1
(PPP)
(ETH 0/1)
PE
PE
(LAN)
AOS Device
(CE)
AOS Device
(CE)
CE - Customer Edge Router
PE - Provider Edge Router
(ETH 0/1)
Site A
AS 65000
10.10.10.2 /30
10.10.10.1 /30
192.168.2.1 /24
Local AS: 65001
Local AS: 65001
T1
(PPP)
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
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
Example Configurations
38 Copyright © 2012 ADTRAN, Inc. 61200860L1-29.4E
Figure 4. Remote Locations with the Same AS Assigned by the MPLS Provider
The following configuration applies to Example 2:
Site A: Site B:
!!
interface eth 0/1 interface eth 0/1
ip address 192.168.1.1 255.255.255.0 ip address 192.168.2.1
255.255.255.0
no shutdown no shutdown
!!
interface t1 1/1 interface t1 1/1
clock source line clock source line
tdm-group 1 timeslots 1-24 speed 64 tdm-group 1 timeslots 1-24 speed 64
no shutdown no shutdown
!!
interface ppp 1 interface ppp 1
ip address 172.16.1.1 255.255.255.252 ip address 10.10.10.1
255.255.255.252
no shutdown no shutdown
cross-connect 1 t1 1/1 1 ppp 1 cross-connect 1 t1 1/1 1 ppp 1
!!
router bgp 65002 router bgp 65003
no auto-summary no auto-summary
no synchronization no synchronization
network 192.168.1.0 mask 255.255.255.0 network 192.168.2.0 mask
255.255.255.0
neighbor 172.16.1.2 neighbor 10.10.10.2
no default-originate no default-originate
local-as 65001 local-as 65001
soft-reconfiguration inbound soft-reconfiguration inbound
remote-as 65000 remote-as 65000
!!
ip route 0.0.0.0 0.0.0.0 192.168.1.254 ip route 0.0.0.0 0.0.0.0 10.10.10.2
!!
The command clock source line is enabled by default. Therefore, this command will not
appear in the output when the show running-config command is issued.