User Manual

Chapter 4 - Operation and Administration Using the CLI NPU Configuration
4Motion 280 System Manual
4.3.10.10.2 Restoring the Default Configuration Parameters of the CSN Interface
To restore the default configuration for the CSN interface, run the following
command. This command can also be used to disable the tunnel-checksum
feature.
npu(config)# no csnif [tun-mtu] [tun-chksm]
Syntax
Description
Parameter Description Presence Default
Value
Possible
Values
[ip-intf
<ip-intf>]
Denotes a pre-defined IP
interface to be used as a
network interface for R3
control traffic and R3 data
traffic.
Note: If you are modifying the
CSN interface, save the
current configuration (refer
Section 4.3.4.1) and reset
the NPU (
Section 4.2.2.1)
for the change to take effect.
Mandatory N/A bearer
[tun-mtu
<size>]
Denotes the MTU for the
IP-in-IP tunnel (used for R3
data traffic) on this interface.
Optional 1450 1 - 2
32
-1
[tun-chksm] Indicates that the tunnel
checksum feature is enabled.
If this feature is enabled, the
checksum of the inner header
is to be verified.
Optional By
default,
this
feature
is
disabled.
The
presence/abse
nce of this
parameter
indicates that
the tunnel
checksum
feature is
enabled/disabl
ed.
Command
Modes
Global configuration mode
NOTE
Refer to Section 4.3.10.10.1 for a description and default values of these parameters.