# CIDR, VLSM and route matching

Subject: Computer Networks

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/cn/#tee/read/cidr

Canonical: https://deep-learning-study-room.vercel.app/read/cn/tee/read-chapter/cidr/

TEE · shared foundations and Units 3–4 · current syllabus 702AI0C023

1. [CIDR and VLSM: two related but different ideas](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--meaning/)
2. [Complete VLSM allocation · example 1](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--vlsm-1/)
3. [Complete VLSM allocation · example 2](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--vlsm-2/)
4. [Complete VLSM allocation · example 3](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--vlsm-3/)
5. [Route aggregation: combine only a valid aligned block](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--aggregation/)
6. [Exact route aggregation · example 1](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--aggregate-1/)
7. [Exact route aggregation · example 2](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--aggregate-2/)
8. [Exact route aggregation · example 3](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--aggregate-3/)
9. [Longest-prefix match: choose the most specific matching route](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--forwarding/)
10. [Forwarding table · example 1](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--match-1/)
11. [Forwarding table · example 2](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--match-2/)
12. [Forwarding table · example 3](https://deep-learning-study-room.vercel.app/read/cn/tee/read/cidr--match-3/)