Falcon
M-Class
| User Guide
310
Maintenance Intermediate Points (MIP)
MIPs have the following characteristics:
•
Per maintenance domain (level) and for all enabled or allowed S-VLANs on a port.
•
Internal to a domain, not at the boundary.
•
Service OAM frames received from MEPs and other MIPs are cataloged and forwarded, using
both the wire and the relay function.
•
All Service OAM frames at a lower level are stopped and dropped, independent of whether they
originate from the wire or relay function.
•
All Service OAM frames at a higher level are forwarded, independent of whether they arrive
from the wire or relay function.
•
Passive points, respond only when triggered by Service OAM traceroute and loopback
messages.
•
Bridge-Brain MAC addresses are used.
•
If the port on which a MIP is configured is blocked by the Spanning-Tree Protocol, the MIP
cannot receive Service OAM messages or relay them toward the relay function side. The MIP
can, however, receive and respond to Service OAM messages from the wire.
•
A MIP has only one level associated with it and the command-line interface (CLI) does not
allow you to configure a MIP for a domain that does not exist.
A Service
–
Maintenance Association (MA)
A service is defined in the Service OAM as a Maintenance Association. It is a group of two or more
MEPs (and may include MIPS as well). A point-to-point service will have exactly two MEPs. A
multipoint service will have more than two MEPs.
The figure below illustrates a customer service built of two MEPs (green triangles), one in each
customer location.
Figure 4-172: Maintenance Association
Summary of Contents for Falcon Gen-3 M-Class
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Page 107: ...Falcon M Class User Guide 107 Figure 4 57 DSCP Translation...
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