7-15
Cisco SCE 8000 10GBE Software Configuration Guide
OL-30621-02
Chapter 7 Configuring Line Interfaces
Tunneling Protocols
Configuring DSCP Marking on the Internal IP Header
Use this command to configure the Cisco SCE platform to mark the DSCP bits of the internal IP header.
This command takes effect only when the relevant tunneling mode (
GRE skip
or
IPinIP skip)
is enabled.
Step 1
Shut down the linecard. (This is a root level command.)
From the SCE(config if)#> prompt, type
shutdown
and press
Enter
.
Step 2
Configure the DSCP marking (.
From the SCE(config if)#> prompt, type
ip-tunnel (GRE|IPinIP) DSCP-marking-skip
and press
Enter
.
Enables DSCP marking on the internal IP header of IPinIP traffic.
Step 3
Restart the linecard.
From the SCE(config if)#> prompt, type
no
shutdown
and press
Enter
.
Configuring DSCP Marking on the External IP Header
To perform DSCP marking on the external IP header, use the following command:
Step 1
Shut down the linecard. (This is a root level command.)
From the SCE(config if)#> prompt, type
shutdown
and press
Enter
.
Step 2
Configure the DSCP marking.
From the SCE(config if)#> prompt, type
no
ip-tunnel (GRE|IPinIP) DSCP-marking-skip
and press
Enter
.
Enables DSCP marking on the external IP header of IPinIP traffic.
Step 3
Restart the linecard.
From the SCE(config if)#> prompt, type
no
shutdown
and press
Enter
.
Configuring the 6to4 Environment
Configure the 6to4 environment after you configure the IPv6 environment. To configure the 6to4
environment, complete the following procedure:
Step 1
Enter the Global Configuration mode:
SCE8000#
configure
Step 2
Configure the 6to4-IPv6 mode.
From the Global Configuration prompt, enter
debug const-db name
seCommonConstDb.box.isIPv6to4IPv6Mode value true
and press
Enter
.
Step 3
Configure the 6to4-IPv6 mode.
From the Global Configuration prompt, enter
debug const-db name
seCommonConstDb.box.isIPv6to4IPv6Hash value true
and press
Enter
.