H3C S5120-SI Series Configuration Manual page 126

Figure 1-1 Ethernet II-encapsulated LLDPDU format
The fields in the frame are described in
Table 1-1 Description of the fields in an Ethernet II-encapsulated LLDPDU
Field
Destination MAC address
Source MAC address
Type
Data
FCS
2) SNAP-encapsulated LLDPDU format
Figure 1-2 SNAP-encapsulated LLDPDU format
0
The fields in the frame are described in
Table 1-2 Description of the fields in a SNAP-encapsulated LLDPDU
Field
Destination MAC address
Table 1-1:
The MAC address to which the LLDPDU is advertised. It is fixed to
0x0180-C200-000E, a multicast MAC address.
The MAC address of the sending port. If the port does not have a MAC
address, the MAC address of the sending bridge is used.
The Ethernet type for the upper layer protocol. It is 0x88CC for LLDP.
LLDP data unit (LLDPDU)
Frame check sequence, a 32-bit CRC value used to determine the
validity of the received Ethernet frame
15
Destination MAC address
Source MAC address
Type
Data = LLDPU
(n bytes)
FCS
Table 1-2:
The MAC address to which the LLDPDU is advertised. It is fixed to
0x0180-C200-000E, a multicast MAC address.
1-2
Description
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Description