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• Downstream unsolicited, ordered control with liberal retention (method used by LDP)
• Downstream on demand, ordered control with conservative retention (method used
by RSVP-TE)
Correct Answer:
B. Ordered control mode; downstream unsolicited.
LDP on the
7750 SR operates in downstream unsolicited, ordered control mode with liberal label
retention. These parameters are fixed and cannot be modified.
Book: Designing and Implementing IP/MPLS-Based Ethernet Layer 2 VPN Services: An Advanced Guide for VPLS and VLL
Chapter3:
" In the Alcatel-Lucent Service Router Portfolio (ALSRP), when using LDP as the label distribution protocol, the label distribution mode is Downstream Unsolicited, Independent Control, with Liberal Retention. "
LDP on the 7750 SR operates in downstream unsolicited, ordered control mode with liberal label retention. These parameters are fixed and cannot be modified.
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