Configuring The Keepalive Function; Establishing The Configuration Task; Figure 2-4 Gre Tunnel Supporting Keepalive; Application Environment - Huawei Quidway S9300 Configuration Manual

Quidway S9300 Terabit Routing Switch
Configuration Guide - VPN
<Quidway> display interface Tunnel 1/0/0
Tunnel1/0/0 current state : UP
Line protocol current state : UP
Description : HUAWEI, Quidway Series, Tunnel1/0/0 Interface
Route Port,The Maximum Transmit Unit is 1500
Internet Address is 40.1.1.1/24
Encapsulation is TUNNEL, loopback not set
Tunnel source 20.1.1.1 (loopback1), destination 30.1.1.2
Tunnel protocol/transport GRE/IP, key disabled
keepalive disabled
Checksumming of packets disabled

2.5 Configuring the Keepalive Function

This section describes how to configure the Keepalive function for a GRE tunnel.

2.5.1 Establishing the Configuration Task

2.5.2 Enabling the Keep-alive Function
2.5.3 Checking the Configuration
2.5.1 Establishing the Configuration Task

Application Environment

The Keepalive function is used to test the status of a GRE tunnel. If the remote end is found
unreachable, the tunnel is disconnected on time to avoid data hole.

Figure 2-4 GRE tunnel supporting Keepalive

S9300-A
Pre-configuration Tasks
Before configuring the Keepalive function, complete the following tasks:
l
l
l
Issue 03 (2009-08-20)
300 seconds input rate 31776024 bytes/sec, 31776152 packets/sec
300 seconds output rate 31776024 bytes/sec, 31776152 packets/sec
511 packets input, 46339 bytes
0 input error
508 packets output,
0 output error
Source
Configuring the link layer attributes of the interfaces
Assigning the IP addresses for the interfaces
Establishing the GRE tunnel and keeping the tunnel up
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
46015 bytes
Internet
GRE tunnel
2 GRE Configuration
Destination
S9300-B
2-11