IPv6 test lab on GNS to Demontrate following
IOS used: c3745-advipservicesk9-mz.124-15.T7
Setup description:
IP address / subnet details
• IPv4
o 192.168.1.0 /24 R1-R2-R3 LAN
o 192.168.3.0/24 between R1 & R4
o 192.168.5.0/24 between R2 & R4
o 192.168.4.0/24 R4 loopback
o R1 & R2 running hsrp group 2 with virtual ip 192.168.1.1
• IPv6
o 2001::/64 R1-R2-R3 LAN
o 2003::/64 between R1 & R4
o 2005::/64 between R2 & R4
o 2004::/64 R4 loopback
o R1 & R2 running hsrp v2 group 1 with auto-configured virtual ip
• BGP detail
o R1 & R2 running ibgp within AS 10
o R4 is AS 40 is running eBGP with R1 & R2 in AS 10 respectively
o R3 is used like end host with default route.
-----------------------------------------------------------------------------------------------------------
R3 Configuration
Hostname R1
!
ipv6 unicast-routing
!
interface FastEthernet0/0
ip address 192.168.1.3 255.255.255.0
duplex auto
speed auto
ipv6 address autoconfig default
end
!
ip route 0.0.0.0 0.0.0.0 192.168.1.1
!
-----------------------------------------------------------------------------------------------------------
R1 configuration
Hostname R2
!
ipv6 unicast-routing
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.0
duplex auto
speed auto
ipv6 address 2001::1/64
standby version 2
standby 1 ipv6 autoconfig
standby 1 priority 110
standby 1 preempt
standby 1 track FastEthernet0/1 20
standby 2 ip 192.168.1.1
standby 2 priority 110
standby 2 preempt
standby 2 track FastEthernet0/1 20
end
!
interface FastEthernet0/1
ip address 192.168.3.2 255.255.255.0
duplex auto
speed auto
ipv6 address 2003::2/64
end
!
router bgp 10
no synchronization
bgp router-id 1.1.1.1
bgp log-neighbor-changes
network 192.168.1.0
neighbor 2001::2 remote-as 10
neighbor 2003::1 remote-as 40
neighbor 192.168.1.3 remote-as 10
neighbor 192.168.3.1 remote-as 40
no auto-summary
!
address-family ipv6
neighbor 2001::2 activate
neighbor 2003::1 activate
network 2001::/64
exit-address-family
!
------------------------------------------------------------------------------------------------------------
R2 Configuration
Hostname R2
!
ipv6 unicast-routing
!
interface FastEthernet0/0
ip address 192.168.1.3 255.255.255.0
duplex auto
speed auto
ipv6 address 2001::2/64
standby version 2
standby 1 ipv6 autoconfig
standby 1 preempt
standby 2 ip 192.168.1.1
standby 2 preempt
!
interface FastEthernet0/1
ip address 192.168.5.2 255.255.255.0
duplex auto
speed auto
ipv6 address 2005::2/64
!
router bgp 10
no synchronization
bgp router-id 2.2.2.2
bgp log-neighbor-changes
network 192.168.1.0
neighbor 2001::1 remote-as 10
neighbor 2005::1 remote-as 40
neighbor 192.168.1.2 remote-as 10
neighbor 192.168.5.1 remote-as 40
no auto-summary
!
address-family ipv6
neighbor 2001::1 activate
neighbor 2005::1 activate
exit-address-family
!
------------------------------------------------------------------------------------------------------------
R4 configuration
!
Hostname R4
!
ipv6 unicast-routing
!
interface Loopback0
ip address 192.168.4.1 255.255.255.0
ipv6 address 2004::1/64
!
interface FastEthernet0/0
ip address 192.168.3.1 255.255.255.0
duplex auto
speed auto
ipv6 address 2003::1/64
!
interface FastEthernet0/1
ip address 192.168.5.1 255.255.255.0
duplex auto
speed auto
ipv6 address 2005::1/64
!
router bgp 40
no synchronization
bgp router-id 4.4.4.4
bgp log-neighbor-changes
network 192.168.3.0
network 192.168.4.0
network 192.168.5.0
neighbor 2003::2 remote-as 10
neighbor 2005::2 remote-as 10
neighbor 192.168.3.2 remote-as 10
neighbor 192.168.5.2 remote-as 10
neighbor 192.168.5.2 route-map PREPEND out
no auto-summary
!
address-family ipv6
neighbor 2003::2 activate
neighbor 2005::2 activate
neighbor 2005::2 route-map PREPEND out
network 2003::/64
network 2004::/64
network 2005::/64
exit-address-family
!
route-map PREPEND permit 10
set as-path prepend 40 40 40
------------------------------------------------------------------------------------------------------------
Show commands:
R1 output
R2 output
R4 output
------------------------------------------------------------------------------------------------------------
Commands:
1 To clear ipv6 bgp neighbor
clear bgp ipv6 unicast x:x:x:x::x
- Dual Stack
- MP BGP to enabel IPv6 routing
- HSRPv2
- IPv6 Autoconfiguration
IOS used: c3745-advipservicesk9-mz.124-15.T7
Setup description:
IP address / subnet details
• IPv4
o 192.168.1.0 /24 R1-R2-R3 LAN
o 192.168.3.0/24 between R1 & R4
o 192.168.5.0/24 between R2 & R4
o 192.168.4.0/24 R4 loopback
o R1 & R2 running hsrp group 2 with virtual ip 192.168.1.1
• IPv6
o 2001::/64 R1-R2-R3 LAN
o 2003::/64 between R1 & R4
o 2005::/64 between R2 & R4
o 2004::/64 R4 loopback
o R1 & R2 running hsrp v2 group 1 with auto-configured virtual ip
• BGP detail
o R1 & R2 running ibgp within AS 10
o R4 is AS 40 is running eBGP with R1 & R2 in AS 10 respectively
o R3 is used like end host with default route.
-----------------------------------------------------------------------------------------------------------
R3 Configuration
Hostname R1
!
ipv6 unicast-routing
!
interface FastEthernet0/0
ip address 192.168.1.3 255.255.255.0
duplex auto
speed auto
ipv6 address autoconfig default
end
!
ip route 0.0.0.0 0.0.0.0 192.168.1.1
!
-----------------------------------------------------------------------------------------------------------
R1 configuration
Hostname R2
!
ipv6 unicast-routing
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.0
duplex auto
speed auto
ipv6 address 2001::1/64
standby version 2
standby 1 ipv6 autoconfig
standby 1 priority 110
standby 1 preempt
standby 1 track FastEthernet0/1 20
standby 2 ip 192.168.1.1
standby 2 priority 110
standby 2 preempt
standby 2 track FastEthernet0/1 20
end
!
interface FastEthernet0/1
ip address 192.168.3.2 255.255.255.0
duplex auto
speed auto
ipv6 address 2003::2/64
end
!
router bgp 10
no synchronization
bgp router-id 1.1.1.1
bgp log-neighbor-changes
network 192.168.1.0
neighbor 2001::2 remote-as 10
neighbor 2003::1 remote-as 40
neighbor 192.168.1.3 remote-as 10
neighbor 192.168.3.1 remote-as 40
no auto-summary
!
address-family ipv6
neighbor 2001::2 activate
neighbor 2003::1 activate
network 2001::/64
exit-address-family
!
------------------------------------------------------------------------------------------------------------
R2 Configuration
Hostname R2
!
ipv6 unicast-routing
!
interface FastEthernet0/0
ip address 192.168.1.3 255.255.255.0
duplex auto
speed auto
ipv6 address 2001::2/64
standby version 2
standby 1 ipv6 autoconfig
standby 1 preempt
standby 2 ip 192.168.1.1
standby 2 preempt
!
interface FastEthernet0/1
ip address 192.168.5.2 255.255.255.0
duplex auto
speed auto
ipv6 address 2005::2/64
!
router bgp 10
no synchronization
bgp router-id 2.2.2.2
bgp log-neighbor-changes
network 192.168.1.0
neighbor 2001::1 remote-as 10
neighbor 2005::1 remote-as 40
neighbor 192.168.1.2 remote-as 10
neighbor 192.168.5.1 remote-as 40
no auto-summary
!
address-family ipv6
neighbor 2001::1 activate
neighbor 2005::1 activate
exit-address-family
!
------------------------------------------------------------------------------------------------------------
R4 configuration
!
Hostname R4
!
ipv6 unicast-routing
!
interface Loopback0
ip address 192.168.4.1 255.255.255.0
ipv6 address 2004::1/64
!
interface FastEthernet0/0
ip address 192.168.3.1 255.255.255.0
duplex auto
speed auto
ipv6 address 2003::1/64
!
interface FastEthernet0/1
ip address 192.168.5.1 255.255.255.0
duplex auto
speed auto
ipv6 address 2005::1/64
!
router bgp 40
no synchronization
bgp router-id 4.4.4.4
bgp log-neighbor-changes
network 192.168.3.0
network 192.168.4.0
network 192.168.5.0
neighbor 2003::2 remote-as 10
neighbor 2005::2 remote-as 10
neighbor 192.168.3.2 remote-as 10
neighbor 192.168.5.2 remote-as 10
neighbor 192.168.5.2 route-map PREPEND out
no auto-summary
!
address-family ipv6
neighbor 2003::2 activate
neighbor 2005::2 activate
neighbor 2005::2 route-map PREPEND out
network 2003::/64
network 2004::/64
network 2005::/64
exit-address-family
!
route-map PREPEND permit 10
set as-path prepend 40 40 40
------------------------------------------------------------------------------------------------------------
Show commands:
R1 output
R2 output
R4 output
------------------------------------------------------------------------------------------------------------
Commands:
1 To clear ipv6 bgp neighbor
clear bgp ipv6 unicast x:x:x:x::x
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