Displaying And Debugging Gre; Typical Configuration Examples Of Gre - 3Com 3C13636 Configuration Manual

Router 3000 ethernet family

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3Com Router 3000 Ethernet Family

Configuration Guide

By default, the keepalive function of GRE is disabled; seconds is set to 10 and times to

3.3 Displaying and Debugging GRE

Upon the completion of the above configurations, execute the display command in any

view to view their running state and to verify the effect of the configurations. The

debugging command can be used in user view.

Table 3-9 Display and debug GRE

Enable tunnel information debugging.

I. Network requirements

Two subnets running IP, Group1 and Group2, are interconnected by using GRE

between the routers of 3Com1 and 3Com2.

II. Network diagram

Figure 3-8 Network diagram of GRE application

III. Configuration procedure

Configure 3Com1:

# Configure interface Ethernet 0/0/0.

[3Com1] interface ethernet 0/0/0

[3Com1-Ethernet0/0/0] ip address 10.1.1.1 255.255.255.0

[3Com1-Ethernet0/0/0] quit

# Configure interface Serial 0/0/0 (physical interface of tunnel).

[3Com1] interface serial 1/0/0

[3Com1-Serial1/0/0] ip address 192.13.2.1 255.255.255.0

Ethernet0/0/0

192.13.2.1/24

3Com Corporation

Chapter 3 Configuration of GRE

display interface tunnel number

debugging tunnel

Ethernet0/0/0

131.108.5.2/24

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3c13636-us - router 3036 3000 series