Configure an Internal Address Range

This example configures an internal address range in SEFOS1.

1. Enter Global Configuration mode in SEFOS1.

   SEFOS# configure terminal

2. Enable OSPF globally in SEFOS1.

   SEFOS(config)# ipv6 router ospf

3. Configure the OSPF router ID.

   SEFOS(config-router)# router-id 10.0.0.1

4. Configure the entire summary for this fec0::1111:0:0 address range.

   SEFOS(config-router)# area 0.0.0.6 range fec0::1111:0:0 96 advertise summary

5. View the results in SEFOS1.

   SEFOS# show ipv6 ospf area 0.0.0.0 database  detail
    
   Age: 0   Seconds            LS Type: Link Lsa
   Link State Id: 0.0.0.41     Adv Rtr Id: 10.0.0.1
   Sequence: 0x8000001f        Checksum: 0xc50c    Length: 60
   Router Priority: 1          Options: 0x33
   Prefix: fe80::214:4fff:fe6c:628f
   #Prefixes: 1
   Prefix Length (Bytes): 12   Prefix Options: 0x00
   Prefix: fec0::2856:0:0
   Age: 3   Seconds            LS Type: Link Lsa
   Link State Id: 0.0.0.40     Adv Rtr Id: 10.0.0.8
   Sequence: 0x8000001f        Checksum: 0xda3b    Length: 60
   Router Priority: 1          Options: 0x33
   Prefix: fe80::221:28ff:fe54:7069
   #Prefixes: 1
   Prefix Length (Bytes): 12   Prefix Options: 0x00
   Prefix: fec0::2856:0:0
    
   Age: 0   Seconds            LS Type: Router Lsa
   Link State Id: 0.0.0.0      Adv Rtr Id: 10.0.0.1
   Sequence: 0x80000020        Checksum: 0x0e62    Length: 40
   Router is an Area Border Router
   Number of Links: 1          Options: 0x33
   Link connected to : transit network
   Metric: 0x1                 Interface Id: 41
   Nbr Interface Id: 40        Nbr Router Id: 10.0.0.8
    
   Age: 3   Seconds            LS Type: Router Lsa
   Link State Id: 0.0.0.0      Adv Rtr Id: 10.0.0.8
   Sequence: 0x80000020        Checksum: 0xd890    Length: 40
   Router is an AS Boundary Router
   Number of Links: 1          Options: 0x33
   Link connected to : transit network
   Metric: 0x1                 Interface Id: 40
   Nbr Interface Id: 40        Nbr Router Id: 10.0.0.8
    
   Age: 3   Seconds            LS Type: Network Lsa
   Link State Id: 0.0.0.40     Adv Rtr Id: 10.0.0.8
   Sequence: 0x8000001f        Checksum: 0xabe7    Length: 32
   Options: 0x33
   Attached Router: 10.0.0.8
   Attached Router: 10.0.0.1
   Age: 3   Seconds            LS Type: Intra Area Prefix Lsa
   Link State Id: 0.0.0.0      Adv Rtr Id: 10.0.0.8
   Sequence: 0x80000040        Checksum: 0xdff7    Length: 48
   #Prefixes: 1                Referenced LS Type: Network Lsa
   Ref Link State Id: 0.0.0.40  Ref Adv Router: 10.0.0.8
   Prefix Length (Bytes): 12    Prefix Options: 0x00
   Metric: 0x0
   Prefix: fec0::2856:0:0