461
Usage Guide:
The same area can not be both NSSA and stub at the same time
Example:
Set area 51 and 3 to NSSA
Switch#config terminal
Switch(config)#router ospf 100
Switch(config-router)#area 0.0.0.51 nssa
Switch(config-router)#area 3 nssa default-information-originate metric 34 metric-type 2
translator-role candidate no-redistribution
14.6.3.5 area range
Command: area <id> range <address> [advertise| not-advertise| substitute]
no area <id> range <address>
Function:
Aggregate OSPF route on the area border. The “
no area <id> range
<address>
“ cancels this function.
Parameter: <id>
is the area number which could be digits ranging between 0
~
4294967295, and also as an IP address.
<address>=<A.B.C.D/M>
specifies the area network prefix and its length
advertise:
Advertise this area, which is the default
not-advertise :
Not advertise this area
substitute= substitute <A.B.C.D/M>
: advertise this area as another prefix.
<A.B.C.D/M>
: Replace the network prefix to be advertised in this area
Default:
Not set
Command Mode:
OSPF protocol mode
Usage Guide:
Use this command to aggregate routes inside an area. If the network IDs
in this area are not configured continuously, a summary route can be advertised by
configuring this command on ABR. This route consists of all single networks belong to
specific range.
Example:
Switch # config terminal
Switch (config)# router ospf 100
Switch (config-router)# area 1 range 192.16.0.0/24
14.6.3.6 area shortcut
Command: area <id> shortcut {default|enable|disable}
no area <id> shortcut [disable|enable]
Function:
Configure shortcut mode in an area. The “
no area <id> shortcut
[disable|enable]
” command cancels this function.
Parameter: <id>
is the area number which could be digits ranging between 0
~
4294967295, and also as an IP address.