Description of three formats of IP prefix list (prefix-list)

Source: Internet
Author: User

Briefly record the meaning of the three formats of the IP prefix list (prefix-list): veryhuo.com

Ip prefix-list [name] [permit | deny] [prefix]/[len] ge [ge-value] le [le-value] liehuo.net

Len <ge-value <= le-value veryhuo.com is required.

1. ip prefix-list 110 permit 172.16.1.0/23 liehuo.net

Meaning 1: the first 23 digits of the network number must be the same # fire # Network

Meaning 2: The subnet mask must be a 23-bit veryhuo.com

2. ip prefix-list 110 permit 172.16.1.0/23 le 24

Fire Network

Meaning 1: the first 23 digits of the network number must be the same as veryhuo.com

Description 2: The subnet mask can be 23-24 bits.

Veryhuo.com

3. ip prefix-list 110 permit 172.16.1.0/23 ge 24 le 24 liehuo.net

Meaning 1: the first 23 digits of the network number must be the same

Liehuo.net

Meaning 2: The subnet mask must be a 24-bit liehuo.net

(Ge and le appear at the same time. The previous/23 match only the network number, and the subnet mask number matches the number of ge and le.) veryhuo.com

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