Switch A
SBx3112
with LLDP running
Switch B
1
2
3
4
5
LLDP Aware Switch
with LLDP Running
LLDP Aware Switch
with LLDP Disabled
with LLDP Running
with LLDP Disabled
or non-existant
Hub or other
non-LLDP device
Switch C
Router X
Router Y
- Accepts but does not forward
the LLDP packets describing Switch A.
- Transmits LLDP packets describing itself out all ports
- Accepts but does not forward
the LLDP packets describing Switch A.
- Transmits LLDP packets describing itself out all ports
- Drops the LLDP packets describing Switch A.
- Does not transmit any LLDP packets describing itself
- Forwards the LLDP packets from Switch A out of all
ports except the port receiving packets from Switch A
- No awareness of LLDP operation
- Does not accept and discards LLDP
packets from Switch A
Device Z
lldp_example_out