OAM and SAA Command Reference
Page 1438 7750 SR OS Services Guide
If the interval is set to 1 second, and the timeout value is set to 10 seconds, then the maximum
time between message requests is 10 seconds and the minimum is 1 second. This depends upon
the receipt of a message reply corresponding to the outstanding message request.
Default 1
Values 1 — 10
fc fc-name — The fc parameter is used to indicate the forwarding class of the MPLS echo request
packets. The actual forwarding class encoding is controlled by the network egress LSP-EXP
mappings.
The LSP-EXP mappings on the receive network interface controls the mapping back to the
internal forwarding class used by the far-end 7750 SR that receives the message request. The
egress mappings of the egress network interface on the far-end 7750 SR controls the forwarding
class markings on the return reply message.
The LSP-EXP mappings on the receive network interface controls the mapping of the message
reply back at the originating 7750 SR.
fc-name — The forwarding class of the MPLS echo request encapsulation.
Default be
Values be, l2, af, l1, h2, ef, h1, nc
profile {in | out} — The profile state of the MPLS echo request encapsulation.
Default out
mac-ping
Syntax mac-ping service service-id destination dst-ieee-address [source src-ieee-address] [fc
fc-name [profile in | out]] [size octets] [ttl vc-label-ttl] [count send-count] [send-control]
[return-control] [interval interval] [timeout timeout]
Context oam
config>saa>test>type
Description The mac-ping utility is used to determine the existence of an egress SAP binding of a given MAC
within a VPLS service.
A mac-ping packet can be sent via the control plane or the data plane. The send-control option
specifies the request be sent using the control plane. If send-control is not specified, the request is
sent using the data plane.
A mac-ping is forwarded along the flooding domain if no MAC address bindings exist. If MAC
address bindings exist, then the packet is forwarded along those paths, provided they are active. A
response is generated only when there is an egress SAP binding for that MAC address or if the MAC
address is a “local” OAM MAC address associated with the device’s control plan.
A mac-ping reply can be sent using the data plane or the control plane. The return-control option
specifies the reply be sent using the control plane. If return-control is not specified, the request is
sent using the data plane.
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