No Cisco IOS/IOS-XE, TE refere-se tipicamente a túneis de Engenharia de Tráfego — mais comumente MPLS TE (RSVP-TE) ou SR-TE (Segment Routing TE) — não a um tipo distinto de "interface TE". A interface de túnel (interface TunnelXXX) é o construto lógico que transporta tráfego com rótulos TE.
interface Tunnel100) com tunnel mode mpls traffic-eng (RSVP) ou tunnel mode mpls traffic-eng segment-routing (SR-TE).mpls traffic-eng tunnels mpls traffic-eng router-id Loopback0 ! interface Tunnel100 ip unnumbered Loopback0 tunnel destination 192.0.2.5 tunnel mode mpls traffic-eng tunnel mpls traffic-eng autoroute announce tunnel mpls traffic-eng bandwidth 100000 ! kbps tunnel mpls traffic-eng path-option 10 explicit name PRIMARY tunnel mpls traffic-eng path-option 20 dynamic tunnel mpls traffic-eng fast-reroute ! ip explicit-path name PRIMARY enable next-address loose 192.0.2.5 show mpls traffic-eng tunnels briefshow mpls traffic-eng link-management advertisementsshow ip rsvp reservation detailSegment Routing TE elimina estado RSVP; usa segment-routing mpls + connected-prefix-sid-map. Configuração mais simples; escala para 100k+ túneis.
"Interface TE" = interface de túnel configurada para MPLS Traffic Engineering.
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