Table 172. Multicast Router DISCovery protocol (mrdisc)
| Field | Field Name | Type | Description |
|---|
| mrdisc.adv_int | Advertising Interval | Unsigned 8-bit integer | MRDISC Advertising Interval in seconds |
| mrdisc.checksum | Checksum | Unsigned 16-bit integer | MRDISC Checksum |
| mrdisc.checksum_bad | Bad Checksum | Boolean | Bad MRDISC Checksum |
| mrdisc.num_opts | Number Of Options | Unsigned 16-bit integer | MRDISC Number Of Options |
| mrdisc.opt_len | Length | Unsigned 8-bit integer | MRDISC Option Length |
| mrdisc.option | Option | Unsigned 8-bit integer | MRDISC Option Type |
| mrdisc.option_data | Data | Byte array | MRDISC Unknown Option Data |
| mrdisc.options | Options | No value | MRDISC Options |
| mrdisc.query_int | Query Interval | Unsigned 16-bit integer | MRDISC Query Interval |
| mrdisc.rob_var | Robustness Variable | Unsigned 16-bit integer | MRDISC Robustness Variable |
| mrdisc.type | Type | Unsigned 8-bit integer | MRDISC Packet Type |