Configuration

Modify the metric in the following links to create a non-ECMP path from P2 to PE:

• On the P2 router, increase the metric from 10 to 100 on the GigabitEthernet0/0/0/1 and GigabitEthernet0/0/0/3 interfaces toward the routers P6 and P7, respectively:

  P2

  router isis IGP
  interface GigabitEthernet0/0/0/1
    address-family ipv4 unicast
     metric 100
    !
  !
  interface GigabitEthernet0/0/0/3
    address-family ipv4 unicast
     metric 100

• On the P6 router, increase the metric from 10 to 100 on the GigabitEthernet0/0/0/1 interface toward P2:

  P6

  router isis IGP
  interface GigabitEthernet0/0/0/1
    address-family ipv4 unicast
     metric 100

• On the P7 router, increase the metric from 10 to 100 on the GigabitEthernet0/0/0/3 interface toward P2:

  P7

  router isis IGP
  interface GigabitEthernet0/0/0/3
    address-family ipv4 unicast
     metric 100

The increase in the metrics results...