3com 5500-ei pwr Installation Instruction

 

1-5 

Under normal circumstances, packets are forwarded through the primary route. When the primary route 

goes down, the route with the highest priority among the backup routes is selected to forward packets. 

When the primary route recovers, the route selection process is performed again and the primary route 

is selected again to forward packets. 

As different routing protocols use different algorithms to calculate routes, they may discover different 

routes. In a large network with multiple routing protocols, it is required for routing protocols to share their 

routing information. Each routing protocol shares routing information discovered by other routing 

protocols through a route redistribution mechanism. 

Display brief information about 
a routing table 

display ip routing-table [ | { begin | 
exclude | include } regular-expression ] 

Display detailed information 
about a routing table 

display ip routing-table verbose 

Display information about 
routes permitted by a basic 
ACL 

display ip routing-table acl acl-number 
[ verbose ] 

Display information about 
routes permitted by a prefix list 

display ip routing-table ip-prefix 
ip-prefix-name [ verbose ] 

Display routes to a specified 
destination 

display ip routing-table ip-address [ mask | 
mask-length ] [ longer-match ] [ verbose ] 

Display routes to specified 
destinations 

display ip routing-table ip-address1 
{ mask1 | mask-length1 } ip-address2 
{ mask2 | mask-length2 } [ verbose ] 

Display routes discovered by a 
routing protocol 

display ip routing-table protocol protocol 
[ inactive | verbose ] 

Display the tree-structured 
routing table information 

Display statistics about a 
routing table 

Available in any 
view 

Clear statistics about a routing 
table 

reset ip routing-table statistics protocol 
{ all | protocol } 

Available in user 
view