
!
hostname R1
!
ipv6 unicast-routing
!
interface Loopback1
ipv6 address 2001:A:B:1000::1/64
ipv6 enable
!
interface FastEthernet0/0
ipv6 address 2001:A:B::2/127
ipv6 enable
!
interface FastEthernet1/0
ipv6 address 2001:A:A:1000::2/127
ipv6 enable
!
router eigrp CONFIG-IF
!
address-family ipv6 unicast autonomous-system 65000
!
af-interface default
passive-interface
exit-af-interface
!
af-interface FastEthernet0/0
no passive-interface
exit-af-interface
!
af-interface FastEthernet1/0
summary-address 2001:A:B::/48
no passive-interface
exit-af-interface
!
topology base
exit-af-topology
eigrp router-id 1.1.1.1
exit-address-family
!
!
hostname R2
!
ipv6 unicast-routing
!
interface Loopback1
ipv6 address 2001:A:B:2000::1/64
ipv6 enable
!
interface Loopback2
ipv6 address 2001:A:B:3000::1/64
ipv6 enable
!
interface FastEthernet0/0
ipv6 address 2001:A:B::3/127
ipv6 enable
!
interface FastEthernet1/0
ipv6 address 2001:A:A:1000::4/127
ipv6 enable
!
router eigrp CONFIG-IF
!
address-family ipv6 unicast autonomous-system 65000
!
af-interface default
passive-interface
exit-af-interface
!
af-interface FastEthernet0/0
no passive-interface
exit-af-interface
!
af-interface FastEthernet1/0
summary-address 2001:A:B::/48
no passive-interface
exit-af-interface
!
topology base
exit-af-topology
eigrp router-id 2.2.2.2
exit-address-family
!
!
hostname R3
!
ipv6 unicast-routing
!
interface FastEthernet0/0
ipv6 address 2001:A:A:1000::3/127
ipv6 enable
!
interface FastEthernet0/1
ipv6 address 2001:A:A:1000::5/127
ipv6 enable
!
router eigrp CONFIG-IF
!
address-family ipv6 unicast autonomous-system 65000
!
topology base
exit-af-topology
eigrp router-id 3.3.3.3
eigrp stub receive-only
exit-address-family
!
R3#sh ipv6 route eigrp
IPv6 Routing Table - default - 6 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
B - BGP, R - RIP, H - NHRP, I1 - ISIS L1
I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP
EX - EIGRP external, ND - ND Default, NDp - ND Prefix, DCE - Destination
NDr - Redirect, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2, l - LISP
D 2001:A:B::/48 [90/103040]
via FE80::C801:1EFF:FE8B:1C, FastEthernet0/0
via FE80::C802:1EFF:FE9A:1C, FastEthernet0/1
Now add the leak-map:
!
hostname R2
!
router eigrp CONFIG-IF
!
address-family ipv6 unicast autonomous-system 65000
!
af-interface FastEthernet1/0
summary-address 2001:A:B::/48 leak-map R2_LEAK_MAP
exit-af-interface
!
!
route-map R2_LEAK_MAP permit 10
match ipv6 address R2_PREFIX_LEAK
!
ipv6 access-list R2_PREFIX_LEAK
permit ipv6 2001:A:B:3000::/64 any
!
R3#sh ipv6 route eigrp
IPv6 Routing Table - default - 7 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
B - BGP, R - RIP, H - NHRP, I1 - ISIS L1
I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP
EX - EIGRP external, ND - ND Default, NDp - ND Prefix, DCE - Destination
NDr - Redirect, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2, l - LISP
D 2001:A:B::/48 [90/103040]
via FE80::C801:1EFF:FE8B:1C, FastEthernet0/0
via FE80::C802:1EFF:FE9A:1C, FastEthernet0/1
D 2001:A:B:3000::/64 [90/103040]
via FE80::C802:1EFF:FE9A:1C, FastEthernet0/1
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