Brocade Virtual ADX Switch and Router Guide (Supporting ADX v03.1.00) - Manual (Page 170)

156 Brocade Virtual ADX Switch and Router Guide
53-1003246-01
Enabling OSPFv3
7
The no-redistribution parameter prevents an NSSA ABR from generating an external (Type 7) LSA
into an NSSA area. This is used when an ASBR generates a Type 5 LSA into normal areas and does
not generate a Type 7 LSA into an NSSA. By default, redistribution is enabled in an NSSA.
Assigning an area cost for OSPFv3 (optional parameter)
You can assign a cost for an area, but it is not required. To consolidate and summarize routes at
anarea boundary, use the area range cost command in router configuration mode.
If the cost parameter is specified, it will be used (overriding the computed cost) to generate the
summary LSA. If the cost parameter is not specified, then the existing range metric computation
max or min cost of routes falling under this range will be used to generate summary LSA.
NOTE
The area should be already configured before using this command.
Example
Creates an area range entry with prefix 1::1/64 with the area-id 10.
Virtual ADX(config)# ipv6 router ospf
Virtual ADX(config-ospf6-router)# area 10 range 1::1/64
Modifies the address range status to DoNotAdvertise. Neither the individual intra-area routes
falling under range nor the ranged prefix is advertised as summary LSA.
Virtual ADX(config)# ipv6 router ospf
Virtual ADX(config-ospf6-router)# area 10 range 1::1/64 not-advertise
Modifies the address range status to advertise and a Type 3 summary link-state advertisement
(LSA) can be generated for this address range.
Virtual ADX(config)# ipv6 router ospf
Virtual ADX(config-ospf6-router)# area 10 range 1::1/64 advertise
Modifies the address range status to advertise and assign cost for this area range to 10.
Virtual ADX(config)# ipv6 router ospf
Virtual ADX(config-ospf6-router)# area 10 range 1::1/64 advertise cost 10
Modifies the address range status to not-advertise and cost from 10 to 5.
Virtual ADX(config)# ipv6 router ospf
Virtual ADX(config-ospf6-router)# area 10 range 1::1/64 not-advertise cost 5
Removes the cost from the area range. The area range will be advertised with computed cost which
is the max/min (based on RFC 1583 compatibility) of all individual intra-area routes falling under
this range.
Virtual ADX(config)# ipv6 router ospf
Virtual ADX(config-ospf6-router)# no area 10 range 1::1/64 cost 5
Removes the area range.
Virtual ADX(config)# ipv6 router ospf
Virtual ADX(config-ospf6-router)# no area 10 range 1::1/64
NOTE
This command does not work in incremental fashion. So both the optional parameters have to be
configured each time. Otherwise it will take the default value.