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Network Topology · WAN · Routing

Triangle Router Topology with Dual ISPs and OSPF Failover

סוג תרשים רשתתקן Cisco-convention topology iconsמנוע schematex-networkעודכן 29.9.2026
Triangle Router Topology with Dual ISPs and OSPF Failover
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התרחיש

A small business needs resilient WAN connectivity using two internet providers and three routers connected in a triangle. OSPF routes between edge and core routers, automatically failing over if an ISP or inter-router link goes down.

מה מופיע בתרשים הזה

פענחו את ההחלטות שמאחוריו.

01

Use three routers in a triangle to provide redundant WAN paths

02

Connect each edge router to a separate ISP for dual-homing

03

Run OSPF on all router links so failover is automatic

Reuse for any small-to-midsize branch or campus design where WAN uptime and router redundancy are required, especially with dual ISP uplinks.

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