Example For Configuring The Keepalive Function For Gre - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN

2.7.4 Example for Configuring the Keepalive Function for GRE

Networking Requirements
As shown in
two ends of the GRE tunnel need be configured with the Keepalive function.
Figure 2-9 Networking diagram of configuring the Keepalive function on two ends of a GRE
tunnel
SwitchA
Device
Switch A
Switch B
Configuration Roadmap
To enable the Keepalive function on one end of the GRE tunnel, run the keepalive command in
the tunnel interface view on the end.
Data Preparation
To complete the configuration, you need the following data:
l
l
l
l
Issue 01 (2011-07-15)
interface GigabitEthernet2/0/0
port hybrid pvid vlan 60
port hybrid untagged vlan 60
#
return
Figure 2-9, Switch A and Switch B are configured with the GRE protocol. The
GE1/0/0
Tunnel1/0/0
40.1.1.1/24
Interface
GigabitEthernet1/0/0
Tunnel1/0/0
GigabitEthernet1/0/0
Tunnel1/0/0
TIP
If the Keepalive function is enabled on the source end, the forwarding function is obligatory, and the
Keepalive function is optional for the destination end.
Data for configuring the routing protocol for the backbone network
Source address and destination address of the GRE tunnel
Interval for sending Keepalive messages
Parameters of unreachable timer
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Internet
GRE tunnel
Tunnel1/0/0
VLANIF Interface
VLANIF 10
-
VLANIF 20
-
2 GRE Configuration
GE1/0/0
SwitchB
40.1.1.2/24
IP Address
20.1.1.1/24
40.1.1.1/24
30.1.1.2/24
40.1.1.2/24
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