Nokia 7705 SAR-W Series Manual page 417

MPLS Guide
The above behavior applies to LDP IPv4 and IPv6 addresses and FECs. The
procedure is summarized in the flowchart diagrams in
3HE 18686 AAAB TQZZA
- If the peer explicitly stated enabling of LDP IPv6 FEC type by including the
IPv6 SAC TLV in the initialization message with the D-bit set to 0, then IPv6
FECs are also sent to the peer.
- If the peer sent the dual-stack capability TLV in the Hello message, but
explicitly stated disabling of LDP IPv6 FEC type by including the IPv6 SAC
TLV in the initialization message with the D-bit set to 1, then IPv6 local
addresses instead of IPv6 FECs are sent to the peer. The user can
configure an address export policy to further restrict which local IPv6
interface addresses to send to the peer.
• If the peer did not send the dual-stack capability TLV in the Hello message, then
no IPv6 addresses or IPv6 FECs are sent to that peer, regardless of the
presence or not of the IPv6 SAC TLV in the initialization message. This case is
added to prevent interoperability issues with some third-party LDP IPv4
implementations. The user can override the distribution defined by the initial
Hello message by explicitly configuring an address export policy and a FEC
export policy to select IPv6 addresses and FECs to send to the peer.
Use subject to Terms available at: www.nokia.com
© 2022 Nokia.
Label Distribution Protocol
Figure 33 and Figure 34.
417