Sunday, 13 January 2019

OSPF FRR LFA - CISCO IOS XE

ISP1_RR2#show ip route repair-paths 1.0.0.101
Routing entry for 1.0.0.101/32
  Known via "ospf 1", distance 110, metric 2, type intra area
  Last update from 1.1.12.1 on GigabitEthernet2, 06:33:04 ago
  Routing Descriptor Blocks:
  * 1.1.12.1, from 1.0.0.101, 06:33:04 ago, via GigabitEthernet2
      Route metric is 2, traffic share count is 1
      Repair Path: 1.2.12.2, via GigabitEthernet3
    [RPR]1.2.12.2, from 1.0.0.101, 06:33:04 ago, via GigabitEthernet3
      Route metric is 3, traffic share count is 1



ISP1_RR2#show ip cef 1.0.0.101
1.0.0.101/32
  nexthop 1.1.12.1 GigabitEthernet2
    repair: attached-nexthop 1.2.12.2 GigabitEthernet3

ISP1_RR2#
router ospf 1
 router-id 1.0.0.112
 prefix-priority high route-map HIGH
 fast-reroute per-prefix enable area 0 prefix-priority high
 area 0 authentication message-digest
 passive-interface Loopback0

ISP1_RR2#show run | sec route-map
 prefix-priority high route-map HIGH
route-map HIGH permit 10
 match ip address prefix-list HIGH

ISP1_RR2#
ip prefix-list HIGH seq 5 permit 1.0.0.133/32
ip prefix-list HIGH seq 10 permit 1.0.0.131/32
ip prefix-list HIGH seq 15 permit 1.0.0.132/32
ip prefix-list HIGH seq 20 permit 1.0.0.101/32
ip prefix-list HIGH seq 25 permit 1.0.0.102/32
ip prefix-list HIGH seq 30 permit 1.0.0.111/32
ip prefix-list HIGH seq 35 permit 1.0.0.112/32
ip prefix-list HIGH seq 40 permit 1.0.0.121/32
ip prefix-list HIGH seq 45 permit 1.0.0.122/32
ISP1_RR2#

1.1 Switched campus 1.1.a Switch administration 1.1.a i Managing MAC address table Show Commands: Switch#show mac address-table ?   address ...