How To Configure Static IPv6 and Default IPv6 Route on Cisco Router

Описание: In this short video, you’ll learn how to configure a static IPv6 route and default route on Cisco routers step by step. Watch as we connect R2 and R3 using IPv6 addresses, enable routing, and forward packets efficiently across the network. Perfect for CCNA and network beginners who want to understand IPv6 routing configuration line by line.

🔹 Commands Explained:

R2(config)# interface Serial 0/0/1


➡️ Enters interface configuration mode for Serial 0/0/1.

R2(config-if)# description Serial link to R3


➡️ Adds a description to identify the link’s connection to R3.

R2(config-if)# ipv6 address 2001:db8:feed:1::2/64


➡️ Assigns a global unicast IPv6 address with a /64 subnet.

R2(config-if)# ipv6 address fe80::2 link-local


➡️ Assigns a link-local address used for neighbor discovery and routing.

R2(config-if)# clock rate 64000


➡️ Sets the DCE side clock rate for synchronization on the serial link.

R2(config-if)# no shutdown


➡️ Activates the interface (brings it up).

R3(config)# interface Serial 0/0/1


➡️ Enters interface mode on R3’s serial interface.

R3(config-if)# description Serial link to R2


➡️ Identifies the connection to R2 for documentation.

R3(config-if)# ipv6 address 2001:db8:feed:1::1/64


➡️ Assigns R3’s IPv6 address in the same subnet as R2.

R3(config-if)# ipv6 address fe80::3 link-local


➡️ Sets R3’s link-local address for routing communication.

R3(config-if)# no shutdown


➡️ Enables the interface for traffic.

R3(config)# ipv6 unicast-routing


➡️ Enables IPv6 routing on the router so it can forward IPv6 packets.

R3(config)# ipv6 route 2001:db8:cafe::/48 2001:db8:feed:1::2


➡️ Creates a static route to reach the 2001:db8:cafe::/48 network through R2’s address.

R2(config)# ipv6 route ::/0 2001:db8:feed:1::1


➡️ Configures a default IPv6 route on R2 that forwards all unknown traffic to R3.

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