Commands

Modules: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | CS1 | CS2 | All |

Module 6: Redundancy

6.1.2

Implementing redundant supervisor engines in Catalyst switches

> Router#show module

6.2.1

Router redundancy operation

> Router#ip gdp irdp

6.2.2

ICMP Router Discovery Protocol (IRDP)

> Router#show ip irdp
> Router#[no] debug ip icmp

6.2.3

Hot Standby Router Protocol (HSRP)

> Router#show ip irdp
> Router#[no] debug ip icmp

6.2.4

Virtual Router Redundancy Protocol (VRRP)

> Router#show vrrp [brief | group]
> Router#show vrrp interface type number [brief]

> Router#debug standby
> Router#debug condition standby interface group
> Router#debug vrrp all
> Router#debug vrrp error
> Router#debug vrrp events
> Router#debug vrrp packets
> Router#debug vrrp state

6.2.5

Gateway Load Balancing Protocol (GLBP)

> Router#debug glbp errors
> Router#debug glbp events
> Router#debug glbp packets
> Router#debug glbp terse

6.2.7

Gateway Load Balancing Protocol (GLBP)

> Switch#no debug ip slb all|cons|dfp|icmp|reals
> Router#show ip slb conns [vserver virtserver-name] [client ip-address] [detail]
> Router#show ip slb dfp [agent ip_addr port] [detail] [weights]
> Router#show ip slb reals [vserver virtserver-name] [detail]
> Router#show ip slb serverfarms [name serverfarm-name] [detail]
> Router#show ip slb stats
> Router#show ip slb sticky [client ip-address]
> Router#show ip slb vservers [name virtserver-name] [detail]

6.3.2

The virtual router MAC address

> Router#show standby

6.4.1

Configuring HSRP

> Router(config-if)#standby group-number ip virtual-ip-address
> Router(config-if)#standby ip
> Router(config-if)#no standby group ip

6.4.3

HSRP standby priority

> Router(config-if)#standby group-number priority priority-value

6.4.4

HSRP standby preempt

> Router(config-if)#standby group-number preempt

6.4.5

HSRP hello timers

> Router(config-if)#standby group-number timers hellotime holdtime
> Router(config-if)#no standby group timers

6.4.6

HSRP interface tracking

> Router(config-if)#standby group-number track type number interface-priority

6.4.7

Verify HSRP configuration

> Router#show standby type-number group brief
> Router#show standby brief

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