5.9. Cache Reset
5.9 Cache Reset
The cache may respond to a Serial Query informing the router that the cache cannot provide an incremental update starting from the Serial Number specified by the router. The router must decide whether to issue a Reset Query or switch to a different cache.
0 8 16 24 31
.-------------------------------------------.
| Protocol | PDU | |
| Version | Type | zero |
| 1 | 8 | |
+-------------------------------------------+
| |
| Length=8 |
| |
`-------------------------------------------'