layer2-control
Syntax
layer2-control {bpdu-block {interface interface-name;disable-timeout seconds;}mac-rewrite {interface interface-name {protocol (cdp | stp | vtp);}}nonstop-bridging;}
Hierarchy Level
[edit protocols],[edit routing-instances routing-instance-name protocols]
Release Information
Statement introduced in Junos OS Release 8.4.
bpdu-block statement added in Junos OS Release 9.4.
Description
Configure Layer 2 control protocols to enable features such as Layer 2 protocol tunneling or nonstop bridging.
The remaining statements are described separately.
![]() | Note: For a detailed description of configuring the nonstop-bridging statement, see the Junos High Availability Configuration Guide. When this statement is configured on routing platforms with two Routing Engines, a master Routing Engine switches over gracefully to a backup Routing Engine and preserves Layer 2 Control Protocol (L2CP) information. |
Required Privilege Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.

