Инструкции По Установке для 3com S7906E

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1-25 
To do… 
Use the command… 
Remarks 
Specify the maximum number 
of prefixes that can be received 
from a peer/peer group. 
If the number is reached, the 
router breaks down the BGP 
connection to the peer. 
peer { group-name | 
ip-address } route-limit 
prefix-number 
percentage-value ] 
Specify the maximum number 
of prefixes that can be received 
from a peer/peer group. 
If the number is reached, the 
router outputs alert information 
but does not break down the 
BGP connection to the peer. 
peer { group-name | 
ip-address } route-limit 
prefix-number alert-only 
percentage-value ] 
Specify the maximum number 
of prefixes that can be received 
from a peer/peer group. 
If the number is reached, the 
router breaks down the BGP 
connection to the peer and then 
reestablishes a BGP 
connection to the peer. 
peer { group-name | 
ip-address } route-limit 
prefix-number reconnect 
reconnect-time 
[ percentage-value ] 
Required to choose any; 
No limit is configured by 
default. 
 
Configuring BGP Route Dampening 
By configuring BGP route dampening, you can suppress unstable routes from being added to the local 
routing table or being advertised to BGP peers. 
Follow these steps to configure BGP route dampening: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enter BGP view 
bgp as-number 
— 
Configure BGP route 
dampening 
dampening [ half-life-reachable 
half-life-unreachable reuse suppress 
ceiling 
| route-policy route-policy-name ] * 
Required 
Not configured by 
default. 
 
Configuring a Shortcut Route 
An eBGP route received has a priority of 255, lower than a local route. This task allows you configure an 
eBGP route as a shortcut route that has the same priority as a local route and thus has greater likehood 
to become the optimal route. 
Follow these steps to configure a shortcut route: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enter BGP view 
bgp as-number 
—