Nortel 4134 Guia Do Utilizador
184
GRE and IPIP tunnel configuration
configure terminal
2
To specify the name of the tunnel to configure, enter:
interface tunnel <tunnel-name>
3
To configure tunnel destination, enter:
[no] tunnel destination <A.B.C.D>
—End—
Configuring GRE tunnel parameters
Configuring keepalive for GRE tunnels
Enable keepalive packets to keep track of the tunnel end points. The router
sends a keepalive at every configured interval. If no response is received
after the configured number of retries, the tunnel is brought down. You can
only configure keepalive on GRE tunnels.
sends a keepalive at every configured interval. If no response is received
after the configured number of retries, the tunnel is brought down. You can
only configure keepalive on GRE tunnels.
By default GRE keepalives are disabled.
Procedure steps
Step
Action
1
To enter configuration mode, enter:
configure terminal
2
To specify the name of the tunnel to configure, enter:
interface tunnel <tunnel-name>
3
To specify the keepalive for the tunnel, enter:
keepalive [interval <0-120>] [retries <1-16>]
—End—
Table 92
Variable definitions
Variable definitions
Variable
Value
[interval <0-120>]
Specifies the keepalive interval in seconds. Default
is 10. A value of 0 specifies no keepalives.
is 10. A value of 0 specifies no keepalives.
[retries <1-16>]
Specifies the number of retries. If there is no
response after the configured retry value, the tunnel
is brought down. Default value is 3.
response after the configured retry value, the tunnel
is brought down. Default value is 3.
Nortel Secure Router 4134
Security — Configuration and Management
NN47263-600
01.02
Standard
10.0
3 August 2007
Copyright © 2007, Nortel Networks
.