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Usage guidelines
A cross-connect is a point-to-point connection. You can execute ac interface and peer to connect
an AC to a PW, so the PE can forward packets between the AC and the PW.
Examples
# Create cross-connect ac2pw for cross-connect group vpn1 and enter cross-connect view.
<Sysname> system-view
[Sysname] xconnect-group vpn1
[Sysname-xcg-vpn1] connection ac2pw
[Sysname-xcg-vpn1-ac2pw]
control-word enable
Use control-word enable to enable the control word function.
Use undo control-word enable to restore the default.
Syntax
control-word enable
undo control-word enable
Default
The control word function is disabled.
Views
PW template view
Predefined user roles
network-admin
mdc-admin
Usage guidelines
The control word field is between the MPLS label stack and the Layer 2 data. It carries control
information for the Layer 2 packet, such as the sequence number.
When the PW type is Ethernet or VLAN, the control word field is optional, and you can configure
whether to carry the control word field in packets sent on the PW.
If the remote PE supports control word and requires the control word in packets, you must execute
the control-word command on the local PE, so the a PW can be established between the PEs.
Examples
# Enable the control word function for the PW template pw100.
<Sysname> system-view
[Sysname] pw-class pw100
[Sysname-pw-pw100] control-word enable
Related commands
display l2vpn pw-class
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