1 Reply Latest reply: Dec 1, 2011 5:34 PM by Keith Barker - CCIE RS/Security, CISSP RSS

    Required Help: HSRP on trunk Interfaces

    VijayD

      We are desinging network where we want to run HSRP on   trunk interface ( Encapsulation DOT1Q) on which were allowing multiple VLANS.We are using Cisco 3925 series router with switch module integrated in it.can anybody help us out to configure HSRP on trunk interface.If possible provide me sample configuration.

       

      Thanks in advance......

        • 1. Re: Required Help: HSRP on trunk Interfaces
          Keith Barker - CCIE RS/Security, CISSP

          Hello Vijay-

           

           

          Here is the answer to your question:

           

          R1:


          interface FastEthernet1/0.1

          encapsulation dot1Q 10

          ip address 10.0.0.1 255.255.255.0

          standby 1 ip 10.0.0.5

          standby 1 priority 105

          standby 1 preempt

          !

          interface FastEthernet1/0.2

          encapsulation dot1Q 20

          ip address 20.0.0.1 255.255.255.0

          standby 2 ip 20.0.0.5

           

           

          R2:

          interface FastEthernet1/0.1

          encapsulation dot1Q 10

          ip address 10.0.0.2 255.255.255.0

          standby 1 ip 10.0.0.5

          !

          interface FastEthernet1/0.2

          encapsulation dot1Q 20

          ip address 20.0.0.2 255.255.255.0

          standby 2 ip 20.0.0.5

          standby 2 priority 105

          standby 2 preempt

          !


          R2#show standby

          FastEthernet1/0.1 - Group 1

            State is Standby

              4 state changes, last state change 00:01:38

            Virtual IP address is 10.0.0.5

            Active virtual MAC address is 0000.0c07.ac01

              Local virtual MAC address is 0000.0c07.ac01

            Hello time 3 sec, hold time 10 sec

              Next hello sent in 2.464 secs

            Preemption disabled

            Active router is 10.0.0.1, priority 105

            Standby router is local

            Priority 100 (default 100)

            Group name is "hsrp-Fa1/0.1-1" (default)

          FastEthernet1/0.2 - Group 2

            State is Active

              2 state changes, last state change 00:03:18

            Virtual IP address is 20.0.0.5

            Active virtual MAC address is 0000.0c07.ac02

              Local virtual MAC address is 0000.0c07.ac02

            Hello time 3 sec, hold time 10 sec

              Next hello sent in 2.336 secs

            Preemption enabled

            Active router is local

            Standby router is 20.0.0.1, priority 100

            Priority 105 (configured 105)

            Group name is "hsrp-Fa1/0.2-2" (default)

          R2#

           

          Setting the preempt and priority are optional.

           

          Best wishes,

           

          Keith