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Configuring Switching
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SonicOS 5.7: Advanced Switching Feature Guide and Screencast Tutorial
Viewing Device Information in the Layer 2 Discovery Page
To view the LLDP/LLTD discovery results for your network, perform the following steps:
Step 1 Enable LLDP on any switches or other network devices in your network, using a command such as “lldp
run”. LLDP is usually not enabled by default.
Step 2 To get LLTD results from Windows XP machines in your network, download, install, and enable the LLTD
responder driver from Microsoft on those machines. LLTD is installed and enabled by default on Windows
Vista and Windows 7 machines.
Step 3 In the SonicOS management interface, navigate to the Switching > L2 Discovery page.
Step 4 To view the LLDP/LLTD results for a single interface, click the Refresh button in the same row as the
interface.
Step 5 To view the LLDP/LLTD results for multiple interfaces, select the checkboxes for those interfaces and then
click the Refresh Selected button at the bottom of the page. You can select all interfaces by selecting the
checkbox next to Interface in the table heading.
Figure 12 shows the LLDP discovery results for an HP ProCurve switch and a Cisco switch (both circled in
red). The other details are the LLTD results.
Figure 12 Switch Information in the Switching > Layer 2 Discovery Page