mpls 归档 - 夜莺博客

标签：mpls

L2TPv3 Pseudowires: Extending Layer 2 Over IP

L2TPv3 Pseudowires: Extending Layer 2 Over IP

Build L2TPv3 pseudowires to extend Layer 2 over an IP-only core: pseudowire classes, xconnect configuration, VC IDs and verification.

admin admin 2026-10-14
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MPLS-TE to SR-TE Migration: A Practical Path

MPLS-TE to SR-TE Migration: A Practical Path

Migrate RSVP-TE tunnels to SR-TE policies step by step: coexistence, path-instance mapping, binding SIDs, cutover checks and rollback.

admin admin 2026-10-14
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Cisco IOS-XR BGP Labeled Unicast (RFC 3107) Setup

Cisco IOS-XR BGP Labeled Unicast (RFC 3107) Setup

Configure BGP labeled unicast on Cisco IOS-XR with allocate-label, verify labels in the LFIB, and fix the common 'no local label' mistakes.

admin admin 2026-10-12
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MPLS L3VPN VRF, Route Distinguisher and Route Target

MPLS L3VPN VRF, Route Distinguisher and Route Target

Configure MPLS L3VPN on IOS XR: VRF definitions, rd auto, import and export route targets, MP-BGP and verification commands.

admin admin 2026-10-09
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MPLS LDP-IGP Synchronization Configuration

MPLS LDP-IGP Synchronization Configuration

Configure MPLS LDP-IGP synchronization with holddown and delay timers so a link is not advertised before LDP labels are exchanged - commands and verif

admin admin 2026-10-07
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MPLS LSP Ping and Traceroute: Data Plane Verification

MPLS LSP Ping and Traceroute: Data Plane Verification

MPLS LSP ping and LSP traceroute verify the label data plane, not just the control plane. FEC types, reply modes and return codes explained with IOS X

admin admin 2026-10-06
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VPLS and Pseudowire L2VPN Configuration Guide

VPLS and Pseudowire L2VPN Configuration Guide

Understand VPLS, VPWS and point-to-point pseudowires: the LDP and BGP signalling options, MTU and VLAN handling, and the config and verification comma

admin admin 2026-10-05
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MPLS TE with RSVP-TE: Tunnels, CSPF and FRR

MPLS TE with RSVP-TE: Tunnels, CSPF and FRR

Build an MPLS TE tunnel with RSVP-TE: bandwidth reservation, explicit paths, CSPF, autoroute and fast reroute, plus the show commands that prove it wo

admin admin 2026-09-26
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SR-MPLS vs SRv6: Which Segment Routing Data Plane

SR-MPLS vs SRv6: Which Segment Routing Data Plane

Compare SR-MPLS and SRv6 data planes: SID format, header overhead, hardware requirements, migration paths and the operational trade-offs that decide t

admin admin 2026-09-24
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MPLS L3VPN Route Distinguisher and Route Target Design

MPLS L3VPN Route Distinguisher and Route Target Design

How MPLS L3VPN route distinguishers and route targets differ, with IOS XR and Junos configuration examples plus verification commands for VRF import a

admin admin 2026-09-22
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