Cisco Catalyst SD-WAN Routing Configuration Guide, Releases 26.x and Later

PDF

Verify hot standby router protocol

Want to summarize with AI?

Log in

Outlines verification procedures for HSRP configuration, guiding users to confirm redundancy, status, and operational performance within Cisco Catalyst SD-WAN environments.


The following is a sample output from the show standby command displaying the standby router information:

Device# show standby
GigabitEthernet0/0/1.94 - Group 94 (version 2)
  State is Standby
    1 state change, last state change 01:06:09
    Track object 8 state Up
  Virtual IP address is 10.96.194.1
  Active virtual MAC address is 0000.0c9f.f05e (MAC Not In Use)
    Local virtual MAC address is 0000.0c9f.f05e (v2 default)
  Hello time 1 sec, hold time 4 sec
    Next hello sent in 0.688 secs
  Authentication MD5, key-string
  Preemption enabled, delay min 180 secs
  Active router is 10.96.194.2, priority 110 (expires in 4.272 sec)
    MAC address is cc16.7e8c.6dd1
  Standby router is local
  Priority 105 (configured 105)
  Group name is "hsrp-Gi0/0/1.94-94" (default)
  FLAGS: 0/1
GigabitEthernet0/0/1.94 - Group 194 (version 2)
  State is Standby
    1 state change, last state change 01:06:07
    Track object 80 state Up
  Link-Local Virtual IPv6 address is FE80::5:73FF:FEA0:C2 (impl auto EUI64)
    Virtual IPv6 address 2001:10:96:194::1/64
  Active virtual MAC address is 0005.73a0.00c2 (MAC Not In Use)
    Local virtual MAC address is 0005.73a0.00c2 (v2 IPv6 default)
  Hello time 1 sec, hold time 4 sec
    Next hello sent in 0.480 secs
  Authentication MD5, key-string
  Preemption enabled, delay min 180 secs
  Active router is FE80::CE16:7EFF:FE8C:6DD1, priority 110 (expires in 4.032 sec)
    MAC address is cc16.7e8c.6dd1
  Standby router is local
  Priority 105 (configured 105)
  Group name is "hsrp-Gi0/0/1.94-194" (default)
  FLAGS: 0/1

The following is a sample output from the show standby command displaying HSRP Version 2 information if HSRP Version 2 is configured:

Device# show standby
Ethernet0/1 - Group 1 (version 2)
  State is Speak
  Virtual IP address is 10.21.0.10
  Active virtual MAC address is unknown
   Local virtual MAC address is 0000.0c9f.f001 (v2 default)
  Hello time 3 sec, hold time 10 sec
   Next hello sent in 1.804 secs
  Preemption enabled
  Active router is unknown
  Standby router is unknown
  Priority 20 (configured 20)
  Group name is "hsrp-Et0/1-1" (default)
Ethernet0/2 - Group 1
  State is Speak
  Virtual IP address is 10.22.0.10
  Active virtual MAC address is unknown
    Local virtual MAC address is 0000.0c07.ac01 (v1 default)
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 1.804 secs
  Preemption disabled
  Active router is unknown
  Standby router is unknown
  Priority 90 (default 100)
    Track interface Serial2/0 state Down decrement 10
  Group name is "hsrp-Et0/2-1" (default)
The following is a sample output from the show standby command displaying HSRP authentication information if HSRP MD5 authentication is configured:
Device# show standby
Ethernet0/1 - Group 1
  State is Active
    5 state changes, last state change 00:17:27
  Virtual IP address is 10.21.0.10
  Active virtual MAC address is 0000.0c07.ac01
    Local virtual MAC address is 0000.0c07.ac01 (default)
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 2.276 secs
  Authentication MD5, key-string, timeout 30 secs
  Preemption enabled
  Active router is local
  Standby router is unknown
  Priority 110 (configured 110)
  Group name is "hsrp-Et0/1-1" (default)

The following is a sample output from the show standby brief command displaying HSRP information for a specific interface:

Device# show standby brief
Interface   Grp  Pri P State   Active                    Standby   Virtual IP
Gi0/0/1.94  94   105 P Standby 10.96.194.2                 local    10.96.194.1
Gi0/0/1.94  194  105 P Standby FE80::CE16:7EFF:FE8C:6DD1   local    FE80::5:73FF:FEA0:C2 

The following is a sample output from the show standby neighbors command displaying the HSRP neighbors on Ethernet interface 0/0. Neighbor 10.0.0.250 is active for group 2 and standby for groups 1 and 8, and is registered with BFD:

Device# show standby neighbors Ethernet0/0
HSRP neighbors on Ethernet0/0
  10.0.0.250
    Active groups: 2
    Standby groups: 1, 8
    BFD enabled
  10.0.0.251
    Active groups: 5, 8
    Standby groups: 2
    BFD enabled
  10.0.0.253
    No Active groups
    No Standby groups
    BFD enabled

The following is a sample output from the show standby neighbors command displaying information for all HSRP neighbors:

Device# show standby neighbors
HSRP neighbors on FastEthernet2/0
  10.0.0.2
    No active groups
    Standby groups: 1
    BFD enabled
HSRP neighbors on FastEthernet2/0
  10.0.0.1
    Active groups: 1
    No standby groups
    BFD enabled