PurposeCommand or Action
Assigns a source address so that forwarding can be
performed on the new tunnel. Loopback is the
commonly-used interface type.
ipv4 unnumbered type interface-path-id
Example:
RP/0/RP0/CPU0:router(config-if)#ipv4 unnumbered
Loopback 0
Step 3
Enables IPv6 on interface.ipv6 enable
Example:
RP/0/RP0/CPU0:router(config-if)#ipv6 enable
Step 4
Sets the tunnel bandwidth requirement to be signalled
in Kbps.
signalled-bandwidth bandwidth
Example:
RP/0/RP0/CPU0:router(config-if)# signalled-bandwidth
10
Step 5
Specifies tunnel destination.
destination ip-address
Example:
RP/0/RP0/CPU0:router(config-if)#destination 3.3.3.3
Step 6
Announces the tunnel as an IPv6 autoroute or an IPv6
forwarding adjacency.
Use one of these options:
Step 7
•
autoroute announce include-ipv6
•
forwarding-adjacency include-ipv6
Example:
RP/0/RP0/CPU0:router(config-if)#autoroute announce
include-ipv6
Or
RP/0/RP0/CPU0:router(config-if)#forwarding-adjacency
include-ipv6
Sets the path option to dynamic and assigns the path
ID.
path-option preference-priority dynamic
Example:
RP/0/RP0/CPU0:router(config-if)#path-option 1 dynamic
Step 8
commit—Saves the configuration changes and remains
within the configuration session.
Use the commit or end command.
Step 9
end—Prompts user to take one of these actions:
• Yes— Saves configuration changes and exits the
configuration session.
• No—Exits the configuration session without
committing the configuration changes.
• Cancel—Remains in the configuration session,
without committing the configuration changes.
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
335
Implementing MPLS Traffic Engineering
Configuring IPv6 Routing Over IPv4 MPLS-TE Tunnels
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