Static route analysis (the longest mask matching principle + active and standby routes)

Table of Contents

1. Bidirectional routing + longest mask matching principle:

2. Floating (static) routing:

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1. Two-way routing + longest mask matching principle:

2. Floating (static)Routing:

Active and standby routing solve the defect!!!:

When the 0/2 interface of R2 (that is, the next hop of the route with priority 1 of R1) changes from UP to DOWN,

At this time, the route with priority 1 will not disappear and still occupy the position of the routing table. At this time, data forwarding will form a routing forwarding black hole

Resolve:

• ①OSPF
• ②SLA

(Following update...)