276
Number of sent optional TLV : 1
Number of received unknown TLV : 0
LLDP agent nearest-customer:
Port status of LLDP : Enable
Admin status : Disable
Trap flag : No
MED trap flag : No
Polling interval : 0s
Number of LLDP neighbors : 0
Number of MED neighbors : 0
Number of CDP neighbors : 0
Number of sent optional TLV : 16
Number of received unknown TLV : 0
CDP-compatible LLDP configuration example
Network requirements
As shown in Figure 88, Ten-GigabitEthernet 1/0/1 and Ten-GigabitEthernet 1/0/2 of Switch A are
each connected to a Cisco IP phone, which sends tagged voice traffic.
Configure voice VLAN 2 on Switch A. Enable CDP compatibility of LLDP on Switch A to allow the
Cisco IP phones to automatically configure the voice VLAN. The voice VLAN feature performs the
following operations:
• Confines the voice traffic to the voice VLAN.
• Isolates the voice traffic from other types of traffic.
Figure 88 Network diagram
Configuration procedure
1. Configure a voice VLAN on Switch A:
# Create VLAN 2.
<SwitchA> system-view
[SwitchA] vlan 2
[SwitchA-vlan2] quit
# Set the link type of Ten-GigabitEthernet 1/0/1 and Ten-GigabitEthernet 1/0/2 to trunk, and
enable voice VLAN on them.
[SwitchA] interface ten-gigabitethernet 1/0/1
[SwitchA-Ten-GigabitEthernet1/0/1] port link-type trunk
[SwitchA-Ten-GigabitEthernet1/0/1] voice vlan 2 enable
[SwitchA-Ten-GigabitEthernet1/0/1] quit
[SwitchA] interface ten-gigabitethernet 1/0/2
[SwitchA-Ten-GigabitEthernet1/0/2] port link-type trunk
[SwitchA-Ten-GigabitEthernet1/0/2] voice vlan 2 enable
[SwitchA-Ten-GigabitEthernet1/0/2] quit
2. Configure CDP-compatible LLDP on Switch A:
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