ZyXEL LTE7485-S905 User Guide - Page 196

Unspecified Address, Loopback Address, Multicast Address, DESCRIPTION

Page 196 highlights

Appendix B IPv6 Unspecified Address An unspecified address (0:0:0:0:0:0:0:0 or ::) is used as the source address when a device does not have its own address. It is similar to "0.0.0.0" in IPv4. Loopback Address A loopback address (0:0:0:0:0:0:0:1 or ::1) allows a host to send packets to itself. It is similar to "127.0.0.1" in IPv4. Multicast Address In IPv6, multicast addresses provide the same functionality as IPv4 broadcast addresses. Broadcasting is not supported in IPv6. A multicast address allows a host to send packets to all hosts in a multicast group. Multicast scope allows you to determine the size of the multicast group. A multicast address has a predefined prefix of ff00::/8. The following table describes some of the predefined multicast addresses. Table 81 Predefined Multicast Address MULTICAST ADDRESS FF01:0:0:0:0:0:0:1 FF01:0:0:0:0:0:0:2 FF02:0:0:0:0:0:0:1 FF02:0:0:0:0:0:0:2 FF05:0:0:0:0:0:0:2 FF05:0:0:0:0:0:1:3 DESCRIPTION All hosts on a local node. All routers on a local node. All hosts on a local connected link. All routers on a local connected link. All routers on a local site. All DHCP severs on a local site. The following table describes the multicast addresses which are reserved and cannot be assigned to a multicast group. Table 82 Reserved Multicast Address MULTICAST ADDRESS FF00:0:0:0:0:0:0:0 FF01:0:0:0:0:0:0:0 FF02:0:0:0:0:0:0:0 FF03:0:0:0:0:0:0:0 FF04:0:0:0:0:0:0:0 FF05:0:0:0:0:0:0:0 FF06:0:0:0:0:0:0:0 FF07:0:0:0:0:0:0:0 FF08:0:0:0:0:0:0:0 FF09:0:0:0:0:0:0:0 FF0A:0:0:0:0:0:0:0 FF0B:0:0:0:0:0:0:0 FF0C:0:0:0:0:0:0:0 FF0D:0:0:0:0:0:0:0 LTE Series User's Guide 196

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Appendix B IPv6
LTE Series User’s Guide
196
Unspecified Address
An unspecified address (0:0:0:0:0:0:0:0 or ::) is used as the source address when a device does not have
its own address. It is similar to “0.0.0.0” in IPv4.
Loopback Address
A loopback address (0:0:0:0:0:0:0:1 or ::1) allows a host to send packets to itself. It is similar to “127.0.0.1”
in IPv4.
Multicast Address
In IPv6, multicast addresses provide the same functionality as IPv4 broadcast addresses. Broadcasting is
not supported in IPv6. A multicast address allows a host to send packets to all hosts in a multicast group.
Multicast scope allows you to determine the size of the multicast group. A multicast address has a
predefined prefix of ff00::/8. The following table describes some of the predefined multicast addresses.
The following table describes the multicast addresses which are reserved and cannot be assigned to a
multicast group.
Table 81
Predefined Multicast Address
MULTICAST ADDRESS
DESCRIPTION
FF01:0:0:0:0:0:0:1
All hosts on a local node.
FF01:0:0:0:0:0:0:2
All routers on a local node.
FF02:0:0:0:0:0:0:1
All hosts on a local connected link.
FF02:0:0:0:0:0:0:2
All routers on a local connected link.
FF05:0:0:0:0:0:0:2
All routers on a local site.
FF05:0:0:0:0:0:1:3
All DHCP severs on a local site.
Table 82
Reserved Multicast Address
MULTICAST ADDRESS
FF00:0:0:0:0:0:0:0
FF01:0:0:0:0:0:0:0
FF02:0:0:0:0:0:0:0
FF03:0:0:0:0:0:0:0
FF04:0:0:0:0:0:0:0
FF05:0:0:0:0:0:0:0
FF06:0:0:0:0:0:0:0
FF07:0:0:0:0:0:0:0
FF08:0:0:0:0:0:0:0
FF09:0:0:0:0:0:0:0
FF0A:0:0:0:0:0:0:0
FF0B:0:0:0:0:0:0:0
FF0C:0:0:0:0:0:0:0
FF0D:0:0:0:0:0:0:0