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3com S7906E Instruccion De Instalación

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1-11 
Displaying and Maintaining CFD 
To do... 
Use the command... 
Remarks 
Display CFD status 
display cfd status 
Available in any view 
Display the CFD protocol 
version 
display cfd version 
Available in any view 
Display MD configuration 
information 
display cfd md 
Available in any view 
Display MA configuration 
information 
display cfd ma [ [ ma-name ] 
md md-name ] 
Available in any view 
Display service instance 
configuration information 
display cfd service-instance 
[ instance-id ] 
Available in any view 
Display MEP list in a service 
instance 
display cfd meplist 
[ service-instance 
instance-id ] 
Available in any view 
Display MP information 
display cfd mp [ interface 
interface-type 
interface-number ] 
Available in any view 
Display the attribute and 
running information of the 
MEPs 
display cfd mep mep-id 
service-instance instance-id 
Available in any view 
Display LTR information 
received by a MEP 
display cfd linktrace-reply 
[ service-instance instance-id 
[ mep mep-id ] ] 
Available in any view 
Display the information of a 
remote MEP 
display cfd remote-mep 
service-instance instance-id 
mep mep-id 
Available in any view 
Display the content of the LTR 
that responds to LTM 
messages 
display cfd linktrace-reply 
auto-detection [ size 
size-value ] 
Available in any view 
 
CFD Configuration Examples 
Configuring Service Instance 
Network requirements 
As shown in 
, there are five devices in the MDs. Each device has four ports belonging to 
VLAN 100. The light blue square frame and the blue one specify two different MDs.  
z 
Two MDs, MD_A (indicated by the light blue square frame, with level 5) and MD_B (indicated by 
the blue square frame, with level 3)) are designed in this network. 
z 
Define the edge ports of each MD, and define the MD of each port. 
z 
The VLAN IDs of each MA in the two MDs are all 100. 
According to the network diagram as shown in 
, you should perform the following 
configurations: 
z 
Configure MD_A on Device A and Device E 
z 
Configure MD_B on Device C 
z 
Configure MD_A and MD_B on Device B and Device D