H3C Technologies H3C S12500 Series Switches - Manual (Page 235)

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on the time to live (TTL) value in the Time to Live TLV carried in the LLDP frame. When the TTL value in the
Time To Live TLV carried in the LLDP frame becomes zero, the information ages out immediately.
Protocols and standards
• IEEE 802.1AB-2005, Station and Media Access Control Connectivity Discovery
• ANSI/TIA-1057, Link Layer Discovery Protocol for Media Endpoint Devices
• DCB Capability Exchange Protocol Specification Rev 1.0
• DCB Capability Exchange Protocol Base Specification Rev 1.01
LLDP configuration task list
Task Remarks
Performing basic LLDP
configuration
Enabling LLDP Required.
Setting LLDP operating mode Optional.
Setting the LLDP re-initialization delay Optional.
Enabling LLDP polling Optional.
Configuring the advertisable TLVs Optional.
Configuring the management address and its encoding format Optional.
Setting other LLDP parameters Optional.
Configuring the encapsulation format for LLDP frames Optional.
Configuring CDP compatibility Optional.
Configuring LLDP trapping Optional.
NOTE:
LLDP-related configurations made in Ethernet interface view takes effect only on the current port, and those
made in port group view takes effect on all ports in the current port group.
Performing basic LLDP configuration
Enabling LLDP
To make LLDP take effect on specific ports, you must enable LLDP both globally and on these ports.
To enable LLDP:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enable LLDP globally. lldp enable
By default, LLDP is enabled on ports,
but disabled globally.