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User Manual rev. 1.1. Aug. 2015
120
Select CDP awareness.
The CDP operation is restricted to decoding incoming CDP frames (The switch doesn't
transmit CDP frames). CDP frames are only decoded if LLDP on the port is enabled.
Only CDP TLVs that can be mapped to a corresponding field in the LLDP neighbors’ table
are decoded. All other TLVs are discarded ( Unrecognized CDP TLVs and discarded CDP
frames are not shown in the LLDP statistics.). CDP TLVs are mapped onto LLDP neighbors’
table as shown below.
CDP TLV "Device ID" is mapped to the LLDP "Chassis ID" field.
CDP TLV "Address" is mapped to the LLDP "Management Address" field. The CDP address
TLV can contain multiple addresses, but only the first address is shown in the LLDP
neighbors’ table.
CDP TLV "Port ID" is mapped to the LLDP "Port ID" field.
CDP TLV "Version and Platform" is mapped to the LLDP "System Description" field.
Both the CDP and LLDP support "system capabilities", but the CDP capabilities cover
capabilities that are not part of the LLDP. These capabilities are shown as "others" in the
LLDP neighbors’ table.
If all ports have CDP awareness disabled the switch forwards CDP frames received from
neighbor devices. If at least one port has CDP awareness enabled all CDP frames are
terminated by the switch.
N
OTE
:
When CDP awareness on a port is disabled the CDP
information isn't removed immediately, but gets when the
hold time is exceeded.
Port Descr :
Optional TLV: When checked the "port description" is included in LLDP information
transmitted.
Sys Name :
Optional TLV: When checked the "system name" is included in LLDP information
transmitted.
Sys Descr :
Optional TLV: When checked the "system description" is included in LLDP information
transmitted.
Sys Capa :
Optional TLV: When checked the "system capability" is included in LLDP information
transmitted.
Mgmt Addr :
Optional TLV: When checked the "management address" is included in LLDP information
transmitted.
Buttons:
Apply – Click to save changes.
Reset- Click to undo any changes made locally and revert to previously saved
values.
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Страница 137: ...User Manual rev 1 1 Aug 2015 137 values...
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Страница 195: ...User Manual rev 1 1 Aug 2015 195 Clear Clears the counters for all ports...
Страница 236: ...User Manual rev 1 1 Aug 2015 236 Updates the table starting with the entry after the last entry currently displayed...
Страница 241: ...User Manual rev 1 1 Aug 2015 241 Refresh Click to refresh the page...
Страница 317: ...User Manual rev 1 1 Aug 2015 317 Note that if using IE browser you can only export in the SVG format...