Dual T1 service configuration for Adtran router

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Dual T1 Frame-relay service configuration for Adtran router

The following BGP example configuration is for dual T1 Frame-relay service with two different ASN. In order to configure Adtran router, just copy and paste below configuration from configuraion mode

Frist neighbor ASN : 200
Neighbor IP address : 10.10.10.2

Frist neighbor ASN : 300
Neighbor IP address : 20.20.20.2

Outbound traffic will be load-sharing both circuits, but inbound traffic will be vary.

** Just for the education purpose, private IP block is used in this example
 

Adtran_Router#sh configuration
Using 1127 bytes
!
hostname "Adtran_Router"
enable password adtran
!
clock timezone -3-Buenos-Aires
!
ip subnet-zero
ip classless
ip routing
!
auto-config
!
event-history on
no logging forwarding
no logging email
logging email priority-level info
!
no service password-encryption  
!
!
no ip firewall alg h323
!
!
interface eth 0/1
  ip address x.x.x.x 255.255.255.0
  no shutdown
!
interface t1 1/1
  tdm-group 1 timeslots 1-24 speed 64
  no shutdown
!
interface t1 1/2
  tdm-group 1 timeslots 1-24 speed 64
  no shutdown
!
interface fr 1 point-to-point
  frame-relay lmi-type ansi
  no shutdown
  cross-connect 1 t1 1/1 1 frame-relay 1
!
interface fr 1.500 point-to-point
  frame-relay interface-dlci 500
  ip address  10.10.10.1 255.255.255.252
  mtu 4470
  no lldp send-and-receive

interface fr 2 point-to-point
  frame-relay lmi-type ansi
  no shutdown  
  cross-connect 2 t1 1/2 1 frame-relay 2
!
interface fr 2.500 point-to-point
  frame-relay interface-dlci 500
  ip address  20.20.20.1 255.255.255.252
  mtu 4470
  no lldp send-and-receive
!
router bgp 100
  no auto-summary
  no synchronization
  network x.x.x.0 mask 255.255.255.0
  neighbor 10.10.10.2
    no default-originate
    soft-reconfiguration inbound
    remote-as 200
  neighbor 20.20.20.2
    no default-originate
    soft-reconfiguration inbound
    remote-as 300

!
ip load-sharing per-destination
!
ip route 0.0.0.0 0.0.0.0 fr 1.500
ip route 0.0.0.0 0.0.0.0 fr 2.500
!
no ip tftp server
no ip http server
no ip http secure-server
no ip snmp agent
no ip ftp agent
!
line con 0  
  login
  password adtran
!
line telnet 0 4
  login
  password adtran
  line-timeout 30
  no shutdown
line ssh 0 4
  login local-userlist
  no shutdown
!
Adtran_Router#