Alcatel-Lucent 7450 Manual page 604

LDP Adjacency Capabilities
0
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1|0| ADJ_CAPABILITY_TLV
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|S|
+-+-+-+-+-+-+-+-+
|
+
|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The value of the U-bit for the TLV is set to 1 so that a receiver must silently ignore if the TLV is
deemed unknown.
The value of the F-bit is 0. After being advertised, this capability cannot be withdrawn; thus, the S-
bit is set to 1 in a hello message.
Adjacency capability elements are encoded as follows:
0 1 2 3 4 5 6 7
+-+-+-+-+-+-+-+-+
|D|
+-+-+-+-+-+-+-+-+
D bit: Controls the capability state.
1 : Disable capability
0 : Enable capability
CapFlag: The adjacency capability
1 : Prefix IPv4 forwarding
2 : Prefix IPv6 forwarding
3 : P2MP IPv4 forwarding
4 : P2MP IPv6 forwarding
5 : MP2MP IPv4 forwarding
Page 604
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Reserved |
Adjacency capability elements
CapFlag |
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VENDOR_OUI
7450 ESS MPLS Guide
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