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MPLS Guide
5.2.5.1.1
A recursive FEC is built using the Recursive Opaque Value (opaque value 7). All
non-recursive opaque values can be recursively embedded into a recursive opaque.
Table 39
Opaque Types
Table 39
Opaque
Opaque Name
Type
1
Generic LSP
Identifier
7
Recursive
Opaque Value
5.2.5.1.2
For mLDP, MoFRR is only supported within a single AS. In an inter-area Option C
scenario, MoFRR is not supported end-to-end with PEs crossing ASBR boundaries.
ASBRs Using EBGP Without IGP
Figure 27
Leaf
Host
VPRN-1
RD 600:600
5.2.5.1.3
Non-segmented mLDP functions with ASBRs directly connected or connected via an
IGP domain, as shown in
3HE 18686 AAAB TQZZA
Supported Recursive Opaque Values
lists the supported opaque values for the 7705 SAR.
RFC
7705 SAR Use
RFC 6388
VPRN Local AS
RFC 6512
Inter-AS Option C MVPN over
mLDP
Redundancy and Resiliency
ASBR-3 ASBR-21
SAR Core
AS3
eBGP
No
MoFRR
ASBR Physical Connection
Use subject to Terms available at: www.nokia.com
Leaf
ASBR-20 ASBR-1
SAR Core
AS2
eBGP
No
MoFRR
Figure
27.
© 2022 Nokia.
Label Distribution Protocol
FEC Representation
<Root, Opaque<P2MPID>>
<ASBR, Opaque<Root,
Opaque<P2MPID>>>
Root
MoFRR
SAR Core
AS1
Source
VPRN-1
PE
RD 60:60
Leaf
sw1304.1
401
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