| name | rule | effect | For example | Remarks |
|---|---|---|---|---|
| Mask | Consecutive 1s and 0s | ip address | 255.0.0.0 | 1 corresponds to the network bit, 0 corresponds to the host bit |
| Anti-mask | Consecutive 0s and 1s | Routing Protocol | 0.0.0.255 | 0 must match, 1 does not need to match |
| Wildcard | Arbitrary 0 and 1 | ACL | 0.0.255.0 | 0 must match, 1 does not need to match |
The difference between mask, reverse mask and wildcard
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Origin blog.csdn.net/qq_44933518/article/details/108658646
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