Version 6.8 111 Mediant MSBR
Configuration Guide 20. IPv6 Routing
20 IPv6 Routing
The following describes Internet Protocol version 6 (IPv6) routing.
20.1 Static Routing
Static routing is used when the router uses pre-defined, user-configured routing entries to
forward traffic. Static routes are usually manually configured by the network administrator
and added to the routing table.
A common use of static routes is for providing the gateway as a last resort, meaning,
providing an instruction on how to forward traffic when no other route exists.
Static routes have a much lower administrative distance in the system than the dynamic
routing protocols, and in most scenarios are prioritized over the dynamic routes.
20.1.1 Configuring Static Routing
The configuration is the same as IPv4:
Command Description
Enters the data configuration menu.
(config-data)# ipv6 route [vrf
vrf] destIP destMask next-hop
interface [A-distance] [track
number]
Configures a static route by specifying the
destination prefix, a next-hop address and
optionally the administrative distance for the
route and a tracking object.
20.1.2 Example of a Basic Static Route Configuration
In this example, the MSBR needs to reach the 2001:10::/64 network segment from its LAN
network. The destination segment is located somewhere in the network, behind MSBR2,
and in this example, no dynamic routing is configured. For this to work, you need to
configure MSBR1 to forward traffic to 2001:10::/64 through MSBR2’s interface facing
MSBR1 (2001:1::2).
Figure 20-1: Static Routing
20.1.2.1 Configuration
MSBR1# configure data
MSBR1(config-data)# ipv6 route 2001:10::/64 2001:1::1
gigabitethernet 0/0
MSBR1(config-data)#
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