Lab 203 - OSPFv3 Path Influencing

Lab 203 - OSPFv3 Path Influencing
Di Posting Oleh : Simple Learning
Kategori : IPv6

Prerequisites: CCNP level skills.

Topology

Notice!
IPv6 addresses have changed. Follow the below topology diagram and tasks to accomplish the goals.

Pic1. IPv6 Topology Diagram.

Task 1
Modify previous lab's configuration of OSPFv3 between R3, R4, and R6 as shown in Pic. 2:

Pic. 2



Task 2
Enable OSPFv3 between R4 and R6. Broadcast network should use addresses according to the topology diagram with ::x as their host portion, where 'x' is the router number.

Task 3
Ensure that R3 uses R6 as its primary gateway towards FC00:1:1:2D::/64. In case of R6 being unavailable, R3 is to choose R4 to reach the network in question. Configuration should be done on R3.

Solution

Task 1
Modify previous lab's configuration of OSPFv3 between R3R4, and R6 as shown in Pic. 2.

R3 Config:
!
interface Serial0/1
 encapsulation frame-relay
 ipv6 address FE80::3 link-local
 ipv6 address FC00::3/64
 ipv6 ospf network point-to-multipoint
 ipv6 ospf 1 area 0
 clock rate 2000000
 frame-relay map ipv6 FC00::4 314 broadcast
 frame-relay map ipv6 FC00::6 316 broadcast
 frame-relay map ipv6 FE80::6 316
 frame-relay map ipv6 FE80::4 314
 no frame-relay inverse-arp
!

R4 Config:
!

interface Serial0/0
 encapsulation frame-relay
 ipv6 address FE80::4 link-local
 ipv6 address FC00::4/64
 ipv6 ospf network point-to-multipoint
 ipv6 ospf 1 area 0
 clock rate 2000000
 frame-relay map ipv6 FE80::3 413 broadcast
 frame-relay map ipv6 FC00::3 413
 no frame-relay inverse-arp
!

R6 Config:
!
interface Serial0/0
 encapsulation frame-relay
 ipv6 address FE80::6 link-local
 ipv6 address FC00::6/64
 ipv6 ospf network point-to-multipoint
 ipv6 ospf 1 area 0
 clock rate 2000000
 frame-relay map ipv6 FE80::3 613 broadcast
 frame-relay map ipv6 FC00::3 613
 no frame-relay inverse-arp
!

Task 2
Enable OSPFv3 between R4 and R6. Broadcast network should use addresses according to the topology diagram with ::x as their host portion, where 'x' is the router number.

R4 Config:
!
interface FastEthernet0/0
 speed 100
 full-duplex
 ipv6 address FC00:1:1:2D::4/64
 ipv6 ospf 1 area 0
!

R6 Config:
!
interface FastEthernet0/1
 ip address 172.16.46.6 255.255.255.0
 speed 100
 full-duplex
 ipv6 address FC00:1:1:2D::6/64
 ipv6 ospf 1 area 0
!


Verfication:
Pic. 3 - R4 and R6 OSPFv6 Neighbors.


Task 3
Ensure that R3 uses R6 as its primary gateway towards FC00:1:1:2D::/64. In case of R6 being unavailable, R3 is to choose R4 to reach the network in question. Configuration should be done on R3.

Before path influencing:

Pic. 4.

R3 Config:
!
interface Serial0/1
  ipv6 ospf neighbor FE80::4 cost 65
!

Routing table after the configuration change:

Pic. 5.


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