Class-Based Tunnel Selection: CBTS

Class-Based Tunnel Selection: CBTS

  • EXP-based selection between multiple tunnels to same destination
  • Local mechanism at head-end (no IGP extensions)
  • Tunnel master bundles tunnel members
  • Tunnel selection configured on tunnel master (auto-route, etc.)
  • Bundle members configured with EXP values to carry
  • Bundle members may be configured as default
  • Supports VRF traffic, IP-to-MPLS and MPLS-to-MPLS switching paths

Reference:
  • http://meetings.apnic.net/__data/assets/pdf_file/0010/45010/MPLS-TE.pdf
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