*********************************************************************
********Router1 configuration ***************************************
*********************************************************************


Router1#sh run int gi4/1

interface GigabitEthernet4/1
 switchport access vlan 300
end

Router1#sh run int gi2/1

interface GigabitEthernet2/1
 description to Router2
 switchport trunk native vlan 88
 switchport trunk allowed vlan 1,100,200,300,1002-1005
 switchport mode trunk
 flowcontrol receive on
end

Router1#sh int gi2/1 trunk

Port      Mode         Encapsulation  Status        Native vlan
Gi2/1     on           802.1q         trunking      88

Port      Vlans allowed on trunk
Gi2/1     1,100,200,300,1002-1005

Port      Vlans allowed and active in management domain
Gi2/1     1,100,200,300

Port      Vlans in spanning tree forwarding state and not pruned
Gi2/1     1,100,200,300



Router1#sh run int vlan 300
Building configuration...

Current configuration : 258 bytes
!
interface Vlan300
 description L3 Vlan
 ip address 192.168.12.3 255.255.255.0
 standby 2 ip 192.168.12.2
 standby 2 priority 110
 standby 2 preempt
end

Router1#sh standby vlan 300
Vlan300 - Group 2
  State is Active
    2 state changes, last state change 1d23h
  Virtual IP address is 192.168.12.2
  Active virtual MAC address is 0000.0c07.ac02
    Local virtual MAC address is 0000.0c07.ac02 (v1 default)
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 0.300 secs
  Preemption enabled
  Active router is local
  Standby router is unknown
  Priority 110 (configured 110)
  IP redundancy name is "hsrp-Vl300-2" (default)


Router1#sh spanning-tree vlan 300 brief

VLAN300
  Spanning tree enabled protocol ieee
  Root ID    Priority    8192
             Address     0017.9528.1281
             This bridge is the root
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    8192
             Address     0017.9528.1281
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec
             Aging Time 0  

Interface                                   Designated
Name                 Port ID Prio Cost  Sts Cost  Bridge ID            Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
GigabitEthernet2/1   128.118  128     4 FWD     0  8192 0017.9528.1281 128.118
GigabitEthernet4/1   128.198  128     4 FWD     0  8192 0017.9528.1281 128.198




*************************************************************************
********Router2 configuration *******************************************
*************************************************************************



Router2#sh run int gi2/1

interface GigabitEthernet2/1
 description to Router1
 switchport trunk native vlan 88
 switchport trunk allowed vlan 1,100,200,300,1002-1005
 switchport mode trunk
 flowcontrol receive on
end

Router2#sh int gi2/1 trunk

Port      Mode         Encapsulation  Status        Native vlan
Gi2/1     on           802.1q         trunking      88

Port      Vlans allowed on trunk
Gi2/1     1,100,200,300,1002-1005

Port      Vlans allowed and active in management domain
Gi2/1     1,100,200,300

Port      Vlans in spanning tree forwarding state and not pruned
Gi2/1     1,100,200,300
Router2#
Router2#
Router2#sh run int gi4/1

interface GigabitEthernet4/1
 description to switch 
 switchport access vlan 300
end


Router2#sh run int vlan 300

interface Vlan300
 description L3 Vlan
 ip address 192.168.12.4 255.255.255.0
 standby 2 ip 192.168.12.2
 standby 2 priority 90
 standby 2 preempt
end

Router2#sh standby vlan 300
Vlan300 - Group 2
  State is Standby
    1 state change, last state change 1d23h
  Virtual IP address is 192.168.12.2
  Active virtual MAC address is 0000.0c07.ac02
    Local virtual MAC address is 0000.0c07.ac02 (v1 default)
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 2.684 secs
  Preemption enabled
  Active router is 192.168.12.3, priority 110 (expires in 8.240 sec)
  Standby router is local
  Priority 90 (configured 90)
  IP redundancy name is "hsrp-Vl300-2" (default)

Router2#sh spanning-tree vlan 300 brief 

VLAN300
  Spanning tree enabled protocol ieee
  Root ID    Priority    8192
             Address     0017.9528.1281
             Cost        4
             Port        118 (GigabitEthernet2/1)
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    16384
             Address     0018.735b.f4d3
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec
             Aging Time 0  

Interface                                   Designated
Name                 Port ID Prio Cost  Sts Cost  Bridge ID            Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
GigabitEthernet2/1   128.118  128     4 FWD     0  8192 0017.9528.1281 128.118


*************************************************************************
******** Switch configuration *******************************************
*************************************************************************


Switch#sh run int gi0/1 

interface GigabitEthernet0/1
 switchport access vlan 300
 switchport mode access
end

Switch#sh run int gi0/2

interface GigabitEthernet0/2
 switchport access vlan 300
 switchport mode access
end

Switch#sh run int Vlan300

interface Vlan300
 description L3 Vlan
 ip address 192.168.12.5 255.255.255.0 
end


ip default-gateway 192.168.12.2