PLANET XGS3-24042 - Manual (Page 101)

10-4
Command Explanation
Admin mode
show uldp [interface ethernet IFNAME]
Display ULDP information. No parameter
means to display global ULDP information.
The parameter specifying a port will display
global information and the neighbor
information of the port.
debug uldp fsm interface ethernet
<IFname>
no debug uldp fsm interface ethernet
<IFname>
Enable or disable the debug switch of the
state machine transition information on the
specified port.
debug uldp error
no debug uldp error
Enable or disable the debug switch of error
information.
debug uldp event
no debug uldp event
Enable or disable the debug switch of
event information.
debug uldp packet {receive|send}
no debug uldp packet {receive|send}
Enable or disable the type of messages
can be received and sent on all ports.
debug uldp {hello|probe|echo|
unidir|all}[receive|send] interface
ethernet <IFname>
no debug uldp {hello|probe|echo|
unidir|all}[receive|send] interface
ethernet <IFname>
Enable or disable the content detail of a
particular type of messages can be
received and sent on the specified port.
10.3 ULDP Function Typical Examples
Figure 10-3 Fiber Cross Connection
In the network topology in Graph, port g1/0/1 and port g1/0/2 of SWITCH A as well as port g1/0/3 and port
g1/0/4 of SWITCH B are all fiber ports. And the connection is cross connection. The physical layer is
g1/0/2
Switch B
g1/0/4
g1/0/3
g1/0/1
Switch A
PC1
PC2