Expert
We had this recent incident that our HSRP links have flapped, good thing there was no outage.
Topology are within 2 routers, using 1 giga interface with sub configuration to run HSRP.
moreover, we wanted to know the RCA of why & what could be the reason for this occurrences?
Mar 23 07:57:43 X.X.X.X 70078: Mar 23 07:02:45 Spore: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1.2 Grp 10 state Standby -> Active
Mar 23 07:58:05 X.X.X.X 70084: Mar 23 07:03:12 Spore: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1.2 Grp 1 state Speak -> Standby
Mar 23 07:58:13 X.X.X.X 70086: Mar 23 07:03:16 Spore: %HSRP-5-STATECHANGE: GigabitEthernet0/0/1.2 Grp 10 state Active -> Speak
Router 1
GigabitEthernet0/0/1.2 - Group 1 (version 2)
State is Active
7 state changes, last state change 17w2d
Virtual IP address is 192.x.x.x
Active virtual MAC address is 0x00.xxxx.f001 (MAC In Use)
Local virtual MAC address is 0x00.xxxx.f001 (v2 default)
Hello time 3 sec, hold time 10 sec
Next hello sent in 2.624 secs
Preemption enabled
Active router is local
Standby router is 192.x.x.x, priority 185 (expires in 9.080 sec)
Priority 190 (configured 190)
Track object 1 state Up decrement 10
Track object 2 state Up decrement 10
Group name is "hsrp-Gi0/0/1.2-1" (default)
GigabitEthernet0/0/1.2 - Group 10 (version 2)
State is Active
7 state changes, last state change 17w2d
Link-Local Virtual IPv6 address is FE80::5:73xx:xxA0:A (conf)
Active virtual MAC address is xxx5.73x0.000a (MAC In Use)
Local virtual MAC address is xxx5.73x0.000a (v2 IPv6 default)
Hello time 3 sec, hold time 10 sec
Next hello sent in 1.888 secs
Preemption enabled
Active router is local
Standby router is FE80::3Ex8:xxxx:FEDx:3001, priority 115 (expires in 8.520 sec)
Priority 120 (configured 120)
Track object 1 state Up decrement 10
Track object 2 state Up decrement 10
Group name is "hsrp-Gi0/0/1.2-10" (default)
Router 2
RTR2#sh standby
GigabitEthernet0/0/1.2 - Group 1 (version 2)
State is Standby
43 state changes, last state change 1w2d
Virtual IP address is 192.x.x.x
Active virtual MAC address is 0000.0c9xx.xxxx (MAC Not In Use)
Local virtual MAC address is 0000.0c9xx.xxxx (v2 default)
Hello time 3 sec, hold time 10 sec
Next hello sent in 0.544 secs
Preemption enabled
Active router is 192.x.x.x, priority 190 (expires in 9.818 sec)
MAC address is b838.xxxx.xe01
Standby router is local
Priority 185 (configured 185)
Track object 1 state Up decrement 10
Track object 2 state Up decrement 10
Group name is "hsrp-Gi0/0/1.2-1" (default)
GigabitEthernet0/0/1.2 - Group 10 (version 2)
State is Standby
40 state changes, last state change 1w2d
Link-Local Virtual IPv6 address is FE80::5:xxFF:xxxx:A (conf)
Active virtual MAC address is 0005.xxa0.xxxx (MAC Not In Use)
Local virtual MAC address is 0005.xxa0.xxxx (v2 IPv6 default)
Hello time 3 sec, hold time 10 sec
Next hello sent in 0.672 secs
Preemption enabled
Active router is FE80::xxxx:xxxx:Fx79:1Ex1, priority 120 (expires in 7.016 sec)
MAC address is xxxx.xx79.xxxx
Standby router is local
Priority 115 (configured 115)
Track object 1 state Up decrement 10
Track object 2 state Up decrement 10
Group name is "hsrp-Gi0/0/1.2-10" (default)
Hopefully we could have some explanation on this.
Norix S.
