Prestige 334 User’s Guide
65
Chapter 5 LAN Screens
• IP address of 192.168.1.1 with subnet mask of 255.255.255.0 (24 bits)
• DHCP server enabled with 32 client IP addresses starting from 192.168.1.33.
These parameters should work for the majority of installations. If your ISP gives you explicit
DNS server address(es), read the embedded web configurator help regarding what fields need
to be configured.
5.3.2 IP Address and Subnet Mask
Refer to the
IP Address and Subnet Mask
section in the
Wizard Setup
chapter for this
information.
5.3.3 RIP Setup
RIP (Routing Information Protocol, RFC 1058 and RFC 1389) allows a router to exchange
routing information with other routers.
RIP Direction
controls the sending and receiving of
RIP packets. When set to
Both
or
Out Only
, the Prestige will broadcast its routing table
periodically. When set to
Both
or
In Only
, it will incorporate the RIP information that it
receives; when set to
None
, it will not send any RIP packets and will ignore any RIP packets
received.
RIP Version
controls the format and the broadcasting method of the RIP packets that the
Prestige 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
send routing data in RIP-2 format; the difference being that
RIP-
2B
uses subnet broadcasting while
RIP-2M
uses multicasting. Multicasting can reduce the
load on non-router machines since they generally do not listen to the RIP multicast address
and so will not receive the RIP packets. However, if one router uses multicasting, then all
routers on your network must use multicasting, also.
By default,
RIP Direction
is set to
Both
and
RIP Version
to
RIP-1
.
5.3.4 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
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