We have frequent HSRP flapping issue on cisco ISR4431/K9 router. The HSRP state is flapping continuously when I check my log, I have no physical link failure between two routers and
Can someone help me find solution of that issue, below some config and log capture
interface GigabitEthernet0/0/1
ip flow monitor ORION-MONITOR input
ip flow monitor ORION-MONITOR output
ip address 172.31.254.2 255.255.255.0
ip nat inside
zone-member security INSIDE
standby 1 ip 172.31.254.1
standby 1 priority 200
standby 1 preempt
standby 1 track 1 decrement 51
ip tcp adjust-mss 1360
ip policy route-map rmap-pbr
negotiation auto
end
GigabitEthernet0/0/1 - Group 1
State is Active
4656 state changes, last state change 01:05:40
Virtual IP address is 172.31.254.1
Active virtual MAC address is 0000.0c07.ac01 (MAC In Use)
Local virtual MAC address is 0000.0c07.ac01 (v1 default)
Hello time 3 sec, hold time 10 sec
Next hello sent in 1.856 secs
Preemption enabled
Active router is local
Standby router is 172.31.254.3, priority 150 (expires in 10.272 sec)
Priority 200 (configured 200)
Track object 1 state Up decrement 51
Group name is "hsrp-Gi0/0/1-1" (default)
Logs.....................................................................................................................
Jan 17 09:27:58.788: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1 Grp 1 state Active -> Speak
Jan 17 09:28:02.472: %TRACK-6-STATE: 1 ip sla 1 reachability Down -> Up
Jan 17 09:28:04.039: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1 Grp 1 state Speak -> Active
Jan 17 09:47:03.235: %TRACK-6-STATE: 1 ip sla 1 reachability Up -> Down
Jan 17 09:47:05.210: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1 Grp 1 state Active -> Speak
Jan 17 09:47:08.235: %TRACK-6-STATE: 1 ip sla 1 reachability Down -> Up
Jan 17 09:47:10.461: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1 Grp 1 state Speak -> Active
Jan 17 21:47:27.294: %TRACK-6-STATE: 1 ip sla 1 reachability Up -> Down
Jan 17 21:47:27.802: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1 Grp 1 state Active -> Speak
Jan 17 21:47:32.295: %TRACK-6-STATE: 1 ip sla 1 reachability Down -> Up
Jan 17 21:47:33.222: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1 Grp 1 state Speak -> Active
Regards,
Warshad
