User's Manual

Table Of Contents
369
Users Manual of CS-6306R
39.1.3.9 Displaying the Configuration of Port Loopback Detection
Command Purpose
show loopback-detection interface intf
Displays the configuration of port loopback
detection.
This command is mainly used to display port loopback detection, including the port timer and the information
about transmitted and received packets.
39.1.4 Configuration Example
Figure 1.1 Loopback detection configuration
As shown in figure 1.1, the port of S1 conducts loopback detection to specified VLANs 1, 2 and 3. The
corresponding configurations on all switches are shown below:
Switch S1:
Configuration of interface GigaEthernet0/1:
switchport trunk vlan-untagged 1-3
switchport mode trunk
loopback-detection enable
loopback-detection control block
loopback-detection vlan-control 1-5
Global Configuration
loopback-detection
vlan 1-3
Switch S2:
Configuration of interface GigaEthernet0/1:
switchport mode trunk