Hot Standby Routing Protocol

Gateway의 Path를 이중화해 하나의 링크가 Down되어도 Client들의 서비스에 지장이  없게 한다.

셋팅

HQ_SE_GN_1F_L3_1

interface Vlan10

ip address 192.168.1.28 255.255.255.224

standby 1 ip 192.168.1.30

standby 1 priority 150

standby 1 preempt

!

interface Vlan20

ip address 192.168.1.61 255.255.255.224

standby 2 ip 192.168.1.60

standby 2 priority 145

standby 2 preempt

!

HQ_SE_GN_1F_L3_2

interface Vlan10

ip address 192.168.1.29 255.255.255.224

standby 1 ip 192.168.1.30

standby 1 priority 145

standby 1 preempt

!

interface Vlan20

ip address 192.168.1.62 255.255.255.224

standby 2 ip 192.168.1.60

standby 2 priority 150

standby 2 preempt

!

결과

HQ_SE_GN_1F_L3_1#show standby brief

                     P indicates configured to preempt.

                     |

Interface   Grp    Prio   P  State       Active           Standby           Virtual IP

Vl10          1      150   P  Active      local             192.168.1.29     192.168.1.30

Vl20          2      145   P  Standby   192.168.1.62    local              192.168.1.60

HQ_SE_GN_1F_L3_2#show standby brief

                     P indicates configured to preempt.

                     |

Interface    Grp   Prio   P  State        Active                  Standby         Virtual IP

Vl10           1     145   P  Standby    192.168.1.28          local              192.168.1.30

Vl20           2     150   P  Active       local                   192.168.1.61     192.168.1.60