Enable Cross-Checking; Loopback Message And Response; Linktrace Message And Response - Dell Force10 S4810P Configuration Manual

Enable Cross-checking

Task
Enable cross-checking.
Start the cross-check operation for an MEP.
Configure the amount of time the system waits for a
remote MEP to come up before the cross-check operation
is started.

Loopback Message and Response

Loopback Message and Response (LBM, LBR), also called Layer 2 Ping, is an administrative echo
transmitted by MEPs to verify reachability to another MEP or MIP within the maintenance domain. LBM
and LBR are unicast frames.
Task
Send a Loopback message.

Linktrace Message and Response

Linktrace Message and Response (LTM, LTR), also called Layer 2 Traceroute, is an administratively sent
multicast frames transmitted by MEPs to track, hop-by-hop, the path to another MEP or MIP within the
maintenance domain. All MEPs and MIPs in the same domain respond to an LTM with a unicast LTR.
Intermediate MIPs forward the LTM toward the target MEP.
82
| 802.1ag
Command Syntax
mep cross-check enable
Default: Disabled
mep cross-check mep-id
mep cross-check start-delay number
Command Syntax
ping ethernet domain name ma-name ma-name remote
| }
mac-addr mac-address
MPLS Core
MEP
MIP
{ |
source port interface
mep-id
MIP
Command Mode
ETHERNET CFM
ETHERNET CFM
ETHERNET CFM
Command Mode
{ EXEC Privilege
mep-id
}
MIP