HP 1920 Series User Manual page 241

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Figure 201 The global setup tab
Set the global LLDP setup as described in
Click Apply.
A progress dialog box appears.
Click Close on the progress dialog box when the progress dialog box prompts that the
configuration succeeds.
Table 76 Configuration items
Item Description
LLDP Enable Select from the list to enable or disable global LLDP.
Select from the list to enable or disable CDP compatibility of LLDP.
When you configure CDP compatibility, follow these guidelines:
•
CDP Compatibility
•
Set the number of LLDP frames sent each time fast LLDP frame transmission is
Fast LLDPDU Count
triggered.
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Table 76.
To enable LLDP to be compatible with CDP on a port, you must set the CDP
operating mode on the port to TxRx and enable CDP compatibility on the
Global Setup tab.
Because the maximum TTL allowed by CDP is 255 seconds, you must make
sure the product of the TTL multiplier and the LLDP frame transmission
interval is less than 255 seconds for CDP-compatible LLDP to work correctly
with Cisco IP phones.
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