Configuring Virtual-Template Interfaces; Establishing The Configuration Task - Huawei AR1200 series Configuration Manual

Huawei AR1200 Series Enterprise Routers
Configuration Guide - Interface Management
Carrier Layer: 1 PVC total, 1 map up, 0 map down
Current system time: 2010-09-10 10:03:18

16.9 Configuring Virtual-Template Interfaces

Virtual-Template (VT) interfaces allow PPP links to transmit data of other link layer protocols.
This section describes the applicable environment and basic configurations of VT interfaces.

16.9.1 Establishing the Configuration Task

When a PPP link needs to transmit data of other link layer protocols, configure a Virtual-
Template (VT) interface.
Applicable Environment
A VT interface is used in VPN, MP and ATM applications. The system creates and deletes VA
interfaces and the process is transparent to users.
The link layer of VT interfaces only supports the PPP protocol, and the network layer only
supports IP.
l The newly configured or modified parameters of a VT interface take effect only after the
l After configuring or modifying services such as MPLS, MTU or IS-IS, modify VT
Pre-configuration Tasks
Before configuring a VT interface, complete the following tasks:
l
l
Data Preparation
To configure a VT interface, you need the following data.
No.
1
2
Issue 01 (2012-04-20)
Input bandwidth utilization
Output bandwidth utilization :
Last 300 seconds output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 drops
5 packets output, 300 bytes, 0 drops
CAUTION
shutdown and the undo shutdown command are run.
configuration on the interfaces with the services configured.
Installing and powering on the router properly
Configuring the physical interface
Data
Number of the VT interface, IP address of the VT interface
(Optional) Maximum number of links that send multicast or broadcast packets
supported by the VT interface
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