1.13 Configure, verify, and troubleshoot IPv6 addressing

So we now we are now going to the IPv6 address configuration:

network

I designed a network topology above with just basic configuration for console, enable secret, hostname and vty.

So let us start configuring IPv6, like the typical Ipv4 addressing we configure IPv6 per interface so as of Router 1:

 
en
conf t
int se 2/0
ipv6 enable
exit
ipv6 unicast-routing

en
conf t
int se 2/0
ipv6 2050:12::1/64
! note that we use CIDR notation instead and just like ipv4 addressing, just replace ip to ipv6
no shut
exit

 

en
conf t
int se 3/0
ipv6 enable
exit
ipv6 unicast-routing

en
conf t
int se 3/0
ipv6 2050:23::1/64
! note that we use CIDR notation instead and just like !ipv4 addressing, just replace ip to ipv6
no shut
exit

@R2

en
conf t
int se 2/0
ipv6 enable
exit
ipv6 unicast-routing

en
conf t
int se 2/0
ipv6 2050:12::2/64
! note that we use CIDR notation instead and just like !ipv4 addressing, just replace ip to ipv6
no shut
exit

@R3

en
conf t
int se 3/0
ipv6 enable
exit
ipv6 unicast-routing

en
conf t
int se 3/0
ipv6 2050:23::2/64
! note that we use CIDR notation instead and just like !ipv4 addressing, just replace ip to ipv6
no shut
exit

The best way whether you are  getting the correct configuration is to check connectivity using ping commans

@R1

ping 2050:12:2

You must get a successful connectivity.

Also @R3

ping 2050:12:2

You must get a successful connectivity.

Commands like show ipv6 int brief will be your best friend for verification process.

 

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