3com 5500-ei pwr Instrução De Instalação

 

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Packets sourced from Host A and destined for Host B is forwarded by Switch A under normal 

situations. 

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When the connection between Switch A and Switch C fails, Switch B becomes the master in VRRP 

group 1 automatically and the link from Switch B to Host B, the backup link, is enabled. 

 

Figure 1-4 Network diagram for implementing the auto detect function in VRRP 

Configure the IP addresses of all the interfaces as shown in 

. The configuration procedure is 

omitted. 

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Configure Switch A. 

# Create detected group 9. 

<SwitchA> system-view 

[SwitchA] detect-group 9 

# Specify to detect the reachability of the IP address 10.1.1.4/24, setting the detect number to 1. 

[SwitchA-detect-group-9] detect-list 1 ip address 10.1.1.4 

[SwitchA-detect-group-9] quit 

# Enable VRRP on VLAN-interface 1 and assign a virtual IP address to the VRRP group. 

[SwitchA] interface vlan-interface 1 

[SwitchA-Vlan-interface1] vrrp vrid 1 virtual-ip 192.168.1.10 

# Set the VRRP group priority of switch A to 110, and specify to decrease the priority by 20 when the 

result of detected group 9 is unreachable. 

[SwitchA-Vlan-interface1] vrrp vrid 1 priority 110 

[SwitchA-Vlan-interface1] vrrp vrid 1 track detect-group 9 reduced 20 

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Configure Switch B. 

# Enable VRRP on VLAN-interface 1 and assign a virtual IP address to the VRRP group. 

<SwitchB> system-view 

[SwitchB] interface vlan-interface 1 

[SwitchB-Vlan-interface1] vrrp vrid 1 virtual-ip 192.168.1.10 

# Set the VRRP group priority of Switch B to 100. 

[SwitchB-Vlan-interface1] vrrp vrid 1 priority 100