Exploring the quirks of Network Engineering
Scenario
Active and Standby Router with simple tracking of WAN interface. The Active Router will be given a priority of 200, with the Standby being given 90.
IOS Config – Active Router
interface GigabitEthernet0/0 ip address 192.168.1.2 255.255.255.0 standby version 2 standby 101 ip 192.168.1.1 standby 101 priority 200 standby 101 preempt standby 101 name TEST_HSRP standby 101 track 123 decrement 120! track 123 ip sla 1 reachability! ip sla 1 icmp-echo 192.168.0.2 source-ip 192.168.0.1 frequency 10ip sla schedule 1 life forever start-time now
IOS Config – Standby Router
interface GigabitEthernet0/0 ip address 192.168.1.3 255.255.255.0 standby version 2 standby 101 ip 192.168.1.1 standby 101 priority 90 standby 101 preempt standby 101 name TEST_HSRP
XR Config – Active Router
router hsrp interface GigabitEthernet0/0/0/0 address-family ipv4 hsrp 101 version 2 name TEST_HSRP preempt priority 200 address 192.168.1.1 track object TRACK_A_END 120 ! ! ! !! interface GigabitEthernet0/0/0/0 ipv4 address 192.168.1.2/24! ipsla operation 1 type icmp echo source address 192.168.0.1 destination address 192.168.0.2 ! ! !!schedule operation 1 start-time now life forever !!track TRACK_A_END type rtr 1 reachability!
XR Config – Standby Router
router hsrp interface GigabitEthernet0/0/0/0 address-family ipv4 hsrp 101 version 2 name TEST_HSRP preempt priority 90 address 192.168.1.1 ! ! ! !! interface GigabitEthernet0/0/0/0 ipv4 address 192.168.1.3/24!