The source address or source interface of the tunnel is configured.
Different tunnel interfaces encapsulated with one protocol cannot be configured with the same
source address and destination address.
Whether a source address or a destination address is necessary for a tunnel interface depends on
the tunnel type. For example, an MPLS TE tunnel interface requires only a destination address.
If you use interface-type interface-number to specify the source address of a tunnel, the specified
interface cannot be the local tunnel interface.
Step 6 (Optional) Run:
mtu mtu
The MTU of the interface is configured.
The newly configured MTU is validated only after you run the shutdown command and the
undo shutdown command on the interface in sequence.
Step 7 Choose one of the following methods to configure the IP address of a tunnel interface.
l Run the ip address ip-address { mask | mask-length } [ sub ] command to configure the IP
address of a tunnel interface.
l Run the ip address unnumbered interface interface-type interface-number command to
configure IP unnumbered on the tunnel interface.
NOTE
For details, refer to the chapter "IP Addresses Configuration" in the Quidway S7700 Smart Routing Switch
Configuration Guide - IP Services.
----End
1.3.4 Checking the Configuration
After a tunnel interface is configured, you can view detailed information about the tunnel
interface and the specified tunnel.
Prerequisite
The configurations of the tunnel interface function are complete.
Procedure
l Run the display interface tunnel interface-number command to check information about
a tunnel interface.
l Run the display tunnel-info all command to check information about all tunnels.
l Run the display tunnel-info tunnel-id tunnel-id command to check detailed information
about a specific tunnel.
----End
Example
Run the display interface tunnel command to see that "Line protocol current state" of the tunnel
interface is "UP". For example:
[Quidway] display interface tunnel 1/0/0
Tunnel1/0/0 current state : UP
Line protocol current state : UP
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 1 VPN Tunnel Management Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
8
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