HP 6125XLG R2306-HP 6125XLG Blade Switch High Availability Configuration Guide - Page 26

Displaying and maintaining CFD, CFD configuration example, Network requirements

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Step Command Remarks cfd linktrace service-instance 1. Find the path between a instance-id mep mep-id { target-mac source MEP and a target MEP. mac-address | target-mep Available in any view. target-mep-id } [ ttl ttl-value ] [ hw-only ] 2. Enter system view. system-view N/A 3. Enable LT messages automatic cfd linktrace auto-detection [ size sending. size-value ] By default, LT messages automatic sending is disabled. Displaying and maintaining CFD Execute display commands in any view. Purpose Display LTR information received by a MEP. Display the content of the LTR messages received as responses to the automatically sent LTMs. Display MD configuration information. Display the attribute and running information of the MEPs. Display MEP list in a service instance. Display MP information. Display information about a remote MEP. Display service instance configuration information. Display CFD status. Command display cfd linktrace-reply [ service-instance instance-id [ mep mep-id ] ] display cfd linktrace-reply auto-detection [ size size-value ] display cfd md display cfd mep mep-id service-instance instance-id display cfd meplist [ service-instance instance-id display cfd mp [ interface interface-type interface-number ] display cfd remote-mep service-instance instance-id mep mep-id display cfd service-instance [ instance-id ] display cfd status CFD configuration example Network requirements As shown in Figure 5: • The network comprises five devices and is divided into two MDs: MD_A (level 5) and MD_B (level 3). All ports belong to VLAN 100, and the MAs in the two MDs all serve VLAN 100. Assume that the MAC addresses of Device A through Device E are 0010-FC00-6511, 0010-FC00-6512, 0010-FC00-6513, 0010-FC00-6514, and 0010-FC00-6515, respectively. • MD_A has three edge ports: Ten-GigabitEthernet 1/1/5 on Device A, Ten-GigabitEthernet 1/1/7 on Device D, and Ten-GigabitEthernet 1/1/8 on Device E, and they are all inward-facing MEPs. MD_B has two edge ports: Ten-GigabitEthernet 1/1/7 on Device B and Ten-GigabitEthernet 1/1/5 on Device D, and they are both outward-facing MEPs. 21

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21
Step
Command
Remarks
1.
Find the path between a
source MEP and a target MEP.
cfd linktrace service-instance
instance-id
mep
mep-id
{
target-mac
mac-address
|
target-mep
target-mep-id
}
[
ttl
ttl-value
] [
hw-only
]
Available in any view.
2.
Enter system view.
system-view
N/A
3.
Enable LT messages automatic
sending.
cfd linktrace auto-detection
[
size
size-value
]
By default, LT messages
automatic sending is disabled.
Displaying and maintaining CFD
Execute
display
commands in any view.
Purpose
Command
Display LTR information received by a MEP.
display cfd linktrace-reply
[
service-instance
instance-id
[
mep
mep-id
] ]
Display the content of the LTR messages received as
responses to the automatically sent LTMs.
display cfd linktrace-reply auto-detection
[
size
size-value
]
Display MD configuration information.
display cfd md
Display the attribute and running information of the
MEPs.
display cfd mep
mep-id
service-instance
instance-id
Display MEP list in a service instance.
display cfd meplist
[
service-instance
instance-id
Display MP information.
display cfd mp
[
interface
interface-type
interface-number
]
Display information about a remote MEP.
display cfd remote-mep service-instance
instance-id
mep
mep-id
Display service instance configuration information.
display cfd service-instance
[
instance-id
]
Display CFD status.
display cfd status
CFD configuration example
Network requirements
As shown in
Figure 5
:
•
The network comprises five devices and is divided into two MDs: MD_A (level 5) and MD_B (level
3). All ports belong to VLAN 100, and the MAs in the two MDs all serve VLAN 100. Assume that
the MAC addresses of Device A through Device E are 0010-FC00-6511, 0010-FC00-6512,
0010-FC00-6513, 0010-FC00-6514, and 0010-FC00-6515, respectively.
•
MD_A has three edge ports: Ten-GigabitEthernet 1/1/5 on Device A, Ten-GigabitEthernet 1/1/7
on Device D, and Ten-GigabitEthernet 1/1/8 on Device E, and they are all inward-facing MEPs.
MD_B has two edge ports: Ten-GigabitEthernet 1/1/7 on Device B and Ten-GigabitEthernet
1/1/5 on Device D, and they are both outward-facing MEPs.