Open Shortest Path First (OSPF) Multi-Topology Routing
2007-06-04
2013-05-28
Multi-Topology ID Values
0-2
Reserved
IANA does not assign
3-31
IETF Review
32-127
Reserved
IANA does not assign
128-255
Reserved
IANA does not assign
0
Reserved for advertising the metric associated
with the default topology (see Section 4.2)
1
Reserved for advertising the metric associated
with the default multicast topology
2
Reserved for IPv4 in-band management purposes
3-31
Unassigned
32-127
Reserved for development, experimental and
proprietary features
128-255
Invalid and SHOULD be ignored