Инструкции По Установке для 3com S7906E

 

1-17 

Configure the Hello timer and 
Fail timer for the RRPP domain 

timer hello-timer hello-value 
fail-timer fail-value 

Required 

By default, the Hello timer value 
is 1 second and the Fail timer 
value is 3 seconds. 

 

z 

The Fail timer value must be equal to or greater than three times the Hello timer value.  

z 

To avoid temporary loops when the primary ring fails in a dual-homed-ring network, ensure that the 

difference between the Fail timer value on the master node of the subring and that on the master 

node of the primary ring is greater than twice the Hello timer value of the master node of the 

subring.  

 

The S7900E series Ethernet switches support RRPP fast detection only after SD or EB cards are 

mounted in them. 

 

Perform this configuration on the master node, edge node, and assistant-edge node in the RRPP 

domain to be configured.  

Follow these steps to enable fast detection: 

Enter system view 

— 

Enter RRPP domain view 

rrpp domain domain-id 

— 

Enable fast detection 

Required 

Disabled by default 

 

To configure fast detection on the master node of a subring, make sure that the edge node and 

assistant-edge node of the subring supports fast detection. Otherwise, you are not recommended to 

configure fast detection on the master node of the subring.