![Huawei Quidway NetEngine40E Configuration Manual - Reliability Download Page 1305](http://html.mh-extra.com/html/huawei/quidway-netengine40e/quidway-netengine40e_configuration-manual-reliability_1694531305.webp)
#
wlan
ac
#
user-interface maximum-vty
15
user-interface con
0
user-interface aux
0
user-interface vty 0
14
authentication-mode
none
user privilege level
3
idle-timeout 0
0
screen-length
30
user-interface vty 16
20
#
multicast
shaping
#
#
local-aaa-
server
#
return
11.10.12 Example for Configuring L2TP Two-Node Hot Backup
This section provides an example for configuring L2TP two-node hot backup, including
networking requirements, configuration roadmap, configuration procedure, and configuration
files.
Networking Requirements
NOTE
The X1 and X2 models of NE80E/40Es do not support RUI; therefore, they do not support L2TP two-node
hot backup.
L2TP tunnels can be used to provide enterprise user access services and wholesale services. As
these services are the major services that operators provide and have high user experience
requirements, L2TP tunnels must support high reliability. L2TP two-node hot backup, in
addition to BRAS user information backup, is required on the master and slave routers.
On the network as shown in
, users access LAC1 and LAC2 through a LAN switch
(LSW). The two LACs run VRRP to determine the master and backup status. Both LACs are
configured so that users get online through the master LAC. Each of LACs sets up an L2TP
tunnel with the LNS. L2TP two-node hot backup is configured on LAC1 and LAC2 so that users
rapidly can restore services without re-dialing up if a fault occurs on the access or network side.
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
11 Multi-node Backup Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1288