tech:network:cisco:glbp:glbp

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GLBP

FHRP, GLBP, Cisco, Networking

ASW1

en
conf t
!
vlan 10
exit
!
int range f0/1 - 2
switchport mode access
switchport access vlan 10
no shut
exit
int gig0/1
switchport mode access
switchport access vlan 10
spanning-tree portfast
no shut
exit
!
end

ASW2

en
conf t
!
vlan 2
exit
!
int range f0/1 - 2
switchport mode access
switchport access vlan 2
spanning-tree portfast
no shut
exit
int gig0/1
switchport mode access
switchport access vlan 2
spanning-tree portfast
no shut
exit
!
end

ASW3

As a simple IP terminal.

en
conf t
!
no cdp run
no spanning-tree vlan 1-4094
spanning-tree portfast default
!
int vlan 1
ip addr 172.16.20.121 255.255.255.0
no shut
exit
!
ip default-gateway 172.16.20.254
!
end

SW1

en
conf t
!
ip routing
!
vlan 3,10
exit
!
int vlan 3
ip address 172.16.3.1 255.255.255.0
no shut
exit
int vlan 10
ip address 172.16.10.1 255.255.255.0
vrrp 10 ip 172.16.10.1
no shut
exit
int f1/0/1
switchport mode access
switchport access vlan 10
no shut
exit
int f1/0/2
switchport mode access
switchport access vlan 3
no shut
exit
!
router ospf 1
network 172.16.0.0 0.0.255.255 area 0
exit
!
end

SW2

en
conf t
!
ip routing
!
vlan 4,10
exit
!
int vlan 10
ip address 172.16.10.2 255.255.255.0
vrrp 10 ip 172.16.10.1
no shut
exit
int vlan 4
ip address 172.16.4.2 255.255.255.0
no shut
exit
int f1/0/1
switchport mode access
switchport access vlan 10
no shut
exit
int f1/0/2
switchport mode access
switchport access vlan 4
no shut
exit
!
router ospf 1
network 172.16.0.0 0.0.255.255 area 0
exit
!
end

R1

en
conf t
!
int f0/0
ip address 172.16.3.3 255.255.255.0
no shut
exit
int f0/1
ip address 172.16.2.3 255.255.255.0
vrrp 2 ip 172.16.2.3
no shut
exit
!
router ospf 1
network 172.16.0.0 0.0.255.255 area 0
exit
!
end

R2

en
conf t
!
int f0/0
ip address 172.16.4.4 255.255.255.0
no shut
exit
int f0/1
ip address 172.16.2.4 255.255.255.0
vrrp 2 ip 172.16.2.3
no shut
exit
!
router ospf 1
network 172.16.0.0 0.0.255.255 area 0
exit
!
end

PC1

route delete 172.16.0.0 mask 255.255.0.0 172.16.10.254 metric 1 if 25
route add 172.16.0.0 mask 255.255.0.0 172.16.10.1 metric 1 if 25

PC2

sudo ip route del 172.16.0.0/16 via 172.16.2.254
sudo ip route add 172.16.0.0/16 via 172.16.2.3

References

tech/network/cisco/glbp/glbp.1537683143.txt.gz · Last modified: 2018/09/23 15:12 by wnoguchi