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You are here: Home → White Papers → Authentication
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Authentication

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White Papers

Authentication

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Authentication

RST Forum White Paper

LAB10: OSPF – IPv6

Disclaimer

This Configuration Guide is designed to assist members to enhance their skills in respective technology area. ​​ While every effort has been made to ensure​​ that all material is as complete and accurate as possible, the enclosed material is presented on an “as is” basis. ​​ Neither the authors nor Forum assume any liability or responsibility to any person or entity with respect to loss or damages incurred from the information contained in this guide. This Lab Guide was developed by RSTForum. ​​ Any similarities between material presented in this configuration guide and any other material is completely coincidental.​​ 

 

LAB 10: Diagram

Note: This Lab was developed on​​ Cisco IOS Version15.2(4) M1 ADVENTERPRISEK9-M.​​ 

LAB 10: IPv6 OSPF Authentication:

 

Task 1: Configure IPv6 OSPF Authentication

 

  • Enter the interface where authentication is required and select the encryption mode:

 

R1:

interface s2/0

ipv6 ospf​​ authentication ipsec spi 256 md5 0123456789ABCDEF0123456789ABCDEF

exit

 

  • Enable IPv6 OSPF authentication on both the neighbors:

 

R2:

interface s2/0

ipv6 ospf authentication ipsec spi 256 md5 0123456789ABCDEF0123456789ABCDEF

exit

 

Task 2: ​​ Verification:

  • Verification of authentication by following command:

 

R1#show run

! (To display the contents of the currently running configuration file or the configuration the show running-config command in privileged EXEC mode.)

 

​​ interface Serial2/0

​​ ipv6 address 12::/64​​ eui-64

​​ ipv6 ospf authentication ipsec spi 256 md5 0123456789ABCDEF0123456789ABCDEF

​​ ipv6 ospf 1 area 1

 

 

R2#show run

​​ 

​​ interface Serial2/0

​​ ipv6 address 12::/64 eui-64

​​ ipv6 ospf authentication ipsec spi 256 md5 0123456789ABCDEF0123456789ABCDEF

​​ ipv6​​ ospf 1 area 1

 

 

  • Verify OSPF neighborship by following command:

 

R1#clear ipv6 ospf process

R2#clear ipv6 ospf process

! (Will flush current IPv6 OSPF process and initiate fresh OSPF process.)

 

 

R1#show ipv6 ospf neighbors

! (Gives list of OSPF​​ neighbors)

 

OSPFv3 Router with ID (11.0.3.1) (Process ID 1)

 

Neighbor ID  ​​ ​​ ​​​​ Pri  ​​ ​​ ​​ ​​ ​​ ​​​​ State  ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Dead Time  ​​ ​​ ​​ ​​​​ Interface ID  ​​ ​​ ​​ ​​​​ Interface

22.0.3.2  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 0  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ FULL/ -  ​​ ​​ ​​ ​​​​ 00:00:32 ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 11  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Serial2/0

 

R2#show ipv6​​ ospf neighbors

! (Gives list of OSPF neighbors)

 

OSPFv3 Router with ID (22.0.3.2) (Process ID 2)

 

Neighbor ID  ​​ ​​ ​​​​ Pri  ​​ ​​ ​​ ​​ ​​​​ State  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Dead Time  ​​ ​​ ​​ ​​ ​​​​ Interface ID  ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Interface

33.0.3.3  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 1  ​​ ​​ ​​ ​​​​ FULL/DR  ​​ ​​ ​​ ​​ ​​​​ 00:00:39 ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 3 ​​  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Ethernet0/0

11.0.3.1  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 0  ​​ ​​ ​​ ​​​​ FULL/ -  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 00:00:39 ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 11  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Serial2/0

 

(OSPF neighbors will authenticate the key and if key matches, OSPF neighborship will be formed. Fresh IPv6 OSPF neighborship can be​​ verified in IPv6 OSPF neighbor table.)

 

 

 

 

 

 

 

 

 

 

 

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