1、 IPv6 单播、组播、任播地址范围
2、1 - 接口本地 -> 2 - 链路本地 ->> 5 - 站点本地 ->>> 8 - 组织本地 ->>>> E - 全局
| 分类 | 作用域 ID 值 |
|---|
| Reserved | 可以为组播其他协议所用 | 0000 | 0 | 0x00 |
| node/Interface-local | 接口本地 | 0001 | 1 | 0x01 |
| Link-local | 链路本地 | 0010 | 2 | 0x02 |
| admin-local | 管理本地 | 0100 | 4 | 0x04 |
| Site-local | 站点本地 | 0101 | 5 | 0x05 |
| Organization-local | 机构本地 | 1000 | 8 | 0x08 |
| Global | 全球范围 | 1110 | 14 | 0x0E |
| Reserved | 可以为组播其他协议所用 | 1111 | 15 | 0x0F |
3、Well-Known Multicast Addresses
Well-Known Multicast Addresses
| … | /8 Prefix | Flag | Scope | Predefined Group ID | Compressed Format | Description |
|---|
| Interface-Local Scope | ff | 0 | 1 | 0:0:0:0:0:0:1 | ff01::1 | All-nodes |
|---|
| ff | 0 | 1 | 0:0:0:0:0:0:2 | ff01::2 | All-routers |
| Link-Local Scope | ff | 0 | 2 | 0:0:0:0:0:0:1 | ff02::1 | All-nodes |
|---|
| ff | 0 | 2 | 0:0:0:0:0:0:2 | ff02::2 | All-routers |
| ff | 0 | 2 | 0:0:0:0:0:0:5 | ff02::5 | OSPF routers |
| ff | 0 | 2 | 0:0:0:0:0:0:6 | ff02::6 | OSPF designated routers |
| ff | 0 | 2 | 0:0:0:0:0:0:9 | ff02::9 | RIP routers |
| ff | 0 | 2 | 0:0:0:0:0:0:a | ff02::a | EIGRP routers |
| ff | 0 | 2 | 0:0:0:0:0:1:2 | ff02::1:2 | All-DHCP agents |
| Site-Local Scope | ff | 0 | 5 | 0:0:0:0:0:0:2 | ff05::2 | All-routers |
|---|
| ff | 0 | 5 | 0:0:0:0:0:1:3 | ff05::1:3 | All-DHCP servers |