How to configure BGP for diverse service on Tasman router

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BGP configuration for Diverse Service

The following BGP example configuration is for diverse service with same ASN. In order to configure Nortel/Tasman router, just copy and paste below configuration from configuraion mode

Neighbor ASN : 200
Neighbor IP address : 10.10.10.1 and 20.20.20.1

ip
  load_balance per_flow
  route 0.0.0.0 0.0.0.0 10.10.10.1 1
  route 0.0.0.0 0.0.0.0 20.20.20.1 1
  route 192.168.1.0 255.255.255.0 ethernet0/1 1
  exit ip
router  bgp 100
    distance 170
    redistribute  static
    redistribute  connected
    group BgpExternal external
      exit group
    group BgpInternal internal
      exit group
    group DEFAULT-EXTERNAL external
      exit group
    group to-WAN1 external
      route_map to-link1 out
      exit group
    group to-WAN2 external
      route_map to-link2 out
      exit group
    neighbor 10.10.10.1 200
      neighbor_group to-Iink1
      maximum_prefix 1000
      timers 60
      exit neighbor
    neighbor 20.20.20.1 200
      neighbor_group to-Iink2
      maximum_prefix 1000
      timers 60
      exit neighbor
    exit bgp
 

policy  ip_access_list 10 1 action permit network 198.168.1.0 netmask 0.0.0.127 mask
255.255.255.128 maskmask 0.0.0.127
   
policy  ip_access_list 10 100 action deny network 0.0.0.0 netmask 255.255.255.255 mask
255.255.255.255 maskmask 255.255.255.255
   
policy  ip_access_list 20 1 action permit network 198.168.1.128 netmask 0.0.0.127 mask
255.255.255.128 maskmask 0.0.0.127
     
policy  ip_access_list 20 100 action deny network 0.0.0.0 netmask 255.255.255.255 mask
255.255.255.255 maskmask 255.255.255.255

policy  route_map to-Iink1 10 permit
    match
      ip  ip_address 10
      exit match
    set
      community generate_no_advertise no_advertise
      origin  igp
      metric 1 
      exit set
    exit route_map
policy  route_map to-link1 20 permit
    match
      ip  ip_address 20
      exit match  
    set
      community generate_no_advertise no_advertise
      origin  igp
      metric 10
      exit set
    exit route_map
policy  route_map to-Iink2 10 permit 
    match
      ip  ip_address 20
      exit match
    set
      community generate_no_advertise no_advertise
      origin  igp
      metric 1
      exit set
    exit route_map
policy  route_map to-Iink2 20 permit
    match
      ip  ip_address 10
    exit match
    set
      community generate_no_advertise no_advertise
      origin  igp
      metric 10
      exit set
  exit route_map

Tasman-Router> conf t
Tasman-Router/configure> router bgp 100
Tasman-Router/configure/router/bgp 100> ?
     
      aggregate_address– configure bgp aggregate entries
      always_compare_med– allow comparing MED from different neighbors
      default_metric  — set metric of redistributed routes
      distance        — set protocol distance for BGP routes
      group           — specify a group
      neighbor        — specify a neighbor router
      redistribute    — redistribute routes from another protocol

> To see advertisement of your route

      Tasman-Router> display ip bgp neighbors address 10.10.10.1 adv

> To see what you receiving from peer/neighbor
  
      Tasman-Router>display ip bgp neighbors address 10.10.10.1 rec