Cisco WS-C3560E-24PD-E Command Reference - Page 231
l2protocol-tunnel
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands l2protocol-tunnel l2protocol-tunnel Use the l2protocol-tunnel interface configuration command to enable tunneling of Layer 2 protocols on an access port, IEEE 802.1Q tunnel port, or a port channel. You can enable tunneling for Cisco Discovery Protocol (CDP), Spanning Tree Protocol (STP), or VLAN Trunking Protocol (VTP) packets. You can also enable point-to-point tunneling for Port Aggregation Protocol (PAgP), Link Aggregation Control Protocol (LACP), or UniDirectional Link Detection (UDLD) packets. Use the no form of this command to disable tunneling on the interface. l2protocol-tunnel [cdp | stp | vtp] [point-to-point [pagp | lacp | udld]] | [shutdown-threshold [cdp | stp | vtp] [point-to-point [pagp | lacp | udld]]] value] | [drop-threshold [cdp | stp | vtp] [point-to-point [pagp | lacp | udld]] value] no l2protocol-tunnel [cdp | stp | vtp] [point-to-point [pagp | lacp | udld]] | [shutdown-threshold [cdp | stp | vtp] [point-to-point [pagp | lacp | udld]]] | [drop-threshold [cdp | stp | vtp] [point-to-point [pagp | lacp | udld]]] Syntax Description l2protocol-tunnel cdp stp vtp point-to-point pagp lacp udld shutdown-threshold drop-threshold value Enable point-to-multipoint tunneling of CDP, STP, and VTP packets. (Optional) Enable tunneling of CDP, specify a shutdown threshold for CDP, or specify a drop threshold for CDP. (Optional) Enable tunneling of STP, specify a shutdown threshold for STP, or specify a drop threshold for STP. (Optional) Enable tunneling or VTP, specify a shutdown threshold for VTP, or specify a drop threshold for VTP. (Optional) Enable point-to point tunneling of PAgP, LACP, and UDLD packets. (Optional) Enable point-to-point tunneling of PAgP, specify a shutdown threshold for PAgP, or specify a drop threshold for PAgP. (Optional) Enable point-to-point tunneling of LACP, specify a shutdown threshold for LACP, or specify a drop threshold for LACP. (Optional) Enable point-to-point tunneling of UDLD, specify a shutdown threshold for UDLD, or specify a drop threshold for UDLD. (Optional) Set a shutdown threshold for the maximum rate of Layer 2 protocol packets per second to be received before an interface is shut down. (Optional) Set a drop threshold for the maximum rate of Layer 2 protocol packets per second to be received before an interface drops packets. Specify a threshold in packets per second to be received for encapsulation before the interface shuts down, or specify the threshold before the interface drops packets. The range is 1 to 4096. The default is no threshold. Defaults The default is that no Layer 2 protocol packets are tunneled. The default is no shutdown threshold for the number of Layer 2 protocol packets. The default is no drop threshold for the number of Layer 2 protocol packets. Command Modes Interface configuration 78-16405-05 Catalyst 3560 Switch Command Reference 2-199