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Chapter 5 LAN Setup
P-660R-F1 Series User’s Guide
66
Note: Regardless of your particular situation, do not create an arbitrary IP address;
always follow the guidelines above. For more information on address assignment,
please refer to RFC 1597,
Address Allocation for Private Internets
and RFC 1466,
Guidelines for Management of IP Address Space.
5.2.2 RIP Setup
RIP (Routing Information Protocol) allows a router to exchange routing information with other
routers. The
RIP Direction
field controls the sending and receiving of RIP packets. When set to:
•
Both
-
the ZyXEL Device will broadcast its routing table periodically and incorporate the RIP
information that it receives.
•
In Only
-
the ZyXEL Device will not send any RIP packets but will accept all RIP packets received.
•
Out Only
-
the ZyXEL Device will send out RIP packets but will not accept any RIP packets
received.
•
None
-
the ZyXEL Device will not send any RIP packets and will ignore any RIP packets received.
The
Version
field controls the format and the broadcasting method of the RIP packets that the
ZyXEL Device sends (it recognizes both formats when receiving).
RIP-1
is universally supported; but
RIP-2 carries more information. RIP-1 is probably adequate for most networks, unless you have an
unusual network topology.
Both
RIP-2B
and
RIP-2M
sends the routing data in RIP-2 format; the difference being that
RIP-2B
uses subnet broadcasting while
RIP-2M
uses multicasting.
5.2.3 Multicast
Traditionally, IP packets are transmitted in one of either two ways - Unicast (1 sender - 1 recipient)
or Broadcast (1 sender - everybody on the network). Multicast delivers IP packets to a group of
hosts on the network - not everybody and not just 1.
IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership
in a Multicast group - it is not used to carry user data. IGMP version 2 (RFC 2236) is an
improvement over version 1 (RFC 1112) but IGMP version 1 is still in wide use. If you would like to
read more detailed information about interoperability between IGMP version 2 and version 1, please
see sections 4 and 5 of RFC 2236. The class D IP address is used to identify host groups and can be
in the range 224.0.0.0 to 239.255.255.255. The address 224.0.0.0 is not assigned to any group
and is used by IP multicast computers. The address 224.0.0.1 is used for query messages and is
assigned to the permanent group of all IP hosts (including gateways). All hosts must join the
224.0.0.1 group in order to participate in IGMP. The address 224.0.0.2 is assigned to the multicast
routers group.
The ZyXEL Device supports both IGMP version 1 (
IGMP-v1
) and IGMP version 2 (
IGMP-v2
). At
start up, the ZyXEL Device queries all directly connected networks to gather group membership.
After that, the ZyXEL Device periodically updates this information. IP multicasting can be enabled/
disabled on the ZyXEL Device LAN and/or WAN interfaces in the web configurator (
LAN
;
WAN
).
Select
None
to disable IP multicasting on these interfaces.
Summary of Contents for P-660R-F1 series
Page 2: ......
Page 8: ...Certifications P 660R F1 Series User s Guide 8 ...
Page 16: ...P 660R F1 Series User s Guide 16 ...
Page 18: ...P 660R F1 Series User s Guide 18 ...
Page 62: ...Chapter 4 WAN Setup P 660R F1 Series User s Guide 62 ...
Page 104: ...Chapter 7 Firewalls P 660R F1 Series User s Guide 104 ...
Page 140: ...Chapter 9 Certificates P 660R F1 Series User s Guide 140 ...
Page 144: ...Chapter 10 Static Route P 660R F1 Series User s Guide 144 ...
Page 162: ...Chapter 12 Dynamic DNS Setup P 660R F1 Series User s Guide 162 ...
Page 190: ...Chapter 15 System P 660R F1 Series User s Guide 190 ...
Page 204: ...Chapter 16 Logs P 660R F1 Series User s Guide 204 ...
Page 212: ...Chapter 18 Diagnostic P 660R F1 Series User s Guide 212 ...
Page 216: ...Chapter 19 Troubleshooting P 660R F1 Series User s Guide 216 ...
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