H3C Technologies H3C S12500 Series Switches - Manual (Page 23)

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Address Description
224.0.0.8 ST hosts.
224.0.0.9 RIPv2 routers.
224.0.0.11 Mobile agents.
224.0.0.12 DHCP server/relay agent.
224.0.0.13 All Protocol Independent Multicast (PIM) routers.
224.0.0.14 RSVP encapsulation.
224.0.0.15 CBT routers.
224.0.0.16 Designated SBM.
224.0.0.17 All SBMs.
224.0.0.18 VRRP.
• IPv6 multicast addresses:
Figure 4 IPv6 multicast format
The meanings of the fields of an IPv6 multicast address are as follows:
{
0xFF—If the most significant eight bits are 11111111, this address is an IPv6 multicast address.
{
Flags—Contains four bits.
Figure 5 Flags field format
Table 4 Description on the bits of the Flags field
Bit Description
0 Reserved, set to 0.
R
• When set to 0, this address is an IPv6 multicast address
without an embedded RP address.
• When set to 1, this address is an IPv6 multicast address
with an embedded RP address. (The P and T bits must also
be set to 1.)
P
• When set to 0, this address is an IPv6 multicast address not
based on a unicast prefix.
• When set to 1, this address is an IPv6 multicast address
based on a unicast prefix. (The T bit must also be set to 1.)