Parkervision WR1500 User Manual download pdf (Page 65)

WR1500 4-Port Wireless DSL/Cable Router

8.4 Conﬁ guring WAN IP - Continued

The following table describes the labels on the screen on the preceding pages.

LABEL

DESCRIPTION

RIP Direction

RIP (Routing Information Protocol) allows a router to exchange routing information with other

routers. The

RIP Direction

ﬁ eld controls the sending and receiving of RIP packets.

Choose

Both, None, In Only

Out Only.

When set to

Both

Out Only,

the WR1500

Wireless Router will broadcast its routing table periodically.

When set to

Both

In Only,

the WR1500 Wireless Router will incorporate RIP information

that it receives.

When set to

None,

the WR1500 Wireless Router will not send any RIP packets and will ignore

any RIP packets received.

By default,

RIP Direction

is set to

Both.

RIP Version

The

RIP Version

ﬁ eld controls the format and the broadcasting method of the RIP packets that

the WR1500 Wireless Router sends (it recognizes both formats when receiving).

Choose

RIP-1, RIP-2B

RIP-2M.

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-

sends the 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, the

RIP Version

ﬁ eld is set to

RIP-1

Multicast

Choose

None

(default),

IGMP-V1

IGMP-V2.

IGMP (Internet Group Multicast Protocol) is

a session-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.

Windows Networking (NetBIOS over TCP/IP): NetBIOS (Network Basic Input/Output System) are TCP or UDP

broadcast packets that enable a computer to connect to and communicate with a LAN. For some dial-up services

such as PPPoE or PPTP, NetBIOS packets cause unwanted calls.

Allow From WAN

to LAN

Select this option to forward NetBIOS packets from the WAN port to the LAN port.

Allow Trigger Dial

Select this option to allow NetBIOS packets to initiate calls.

Apply

Click

Apply

to save your changes back to the WR1500 Wireless Router.

Reset

Click

Reset

to begin conﬁ guring this screen afresh.

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Parkervision WR1500 User Manual Page 65

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