June 2003
Intermediate to advanced
504 pages
12h 29m
English
Content preview from MPLS and VPN Architectures, Volume IIBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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In-Depth 6PE Operation and Configuration
As already discussed in the introduction to this chapter, the IPv6-over-MPLS transport (6PE) uses concepts that are similar to the MPLS VPN architecture, as follows:
IPv6 routes are exchanged between the PE routers and the CE routers. Contrary to MPLS VPN architecture, these routes are entered into the global IPv6 routing table on the PE routers, whereas in the MPLS VPN architecture, the VPNv4 routes are entered in the virtual routing and forwarding instance (VRF) tables. (As of the publication of this book, Cisco IOS does not support IPv6 VPNs.)
Labels are assigned to local IPv6 routes as they are redistributed into IPv6 BGP.
IPv6 routes and associated labels are exchanged between PE routers in MP-BGP sessions ...
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