Avaya Business Secure Router 222 Configuration - Basics Uživatelský manuál stáhnout pdf (Strana 99)

Chapter 6 LAN screens 99

Nortel Business Secure Router 222 Configuration — Basics

RIP Version The RIP Version field controls the format and the

broadcasting method of the RIP packets that the Business

Secure Router 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. Multicasting

can reduce the load on nonrouter machines since they

generally do not listen to the RIP multicast address and so

does 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 the Version set to RIP-1.

Multicast Select IGMP V-1 or IGMP V-2 or None. 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 want to read more detailed

information about interoperability between IGMP version 2

and version 1, see sections 4 and 5 of

Internet Group

Management Protocol

(RFC 2236).

Windows Networking (NetBIOS over TCP/IP)

Allow between LAN and

WAN

Select this check box to forward NetBIOS packets from the

LAN to the WAN and from the WAN to the LAN. If your

firewall is enabled with the default policy set to block WAN

to LAN traffic, you also need to enable the default WAN to

LAN firewall rule that forwards NetBIOS traffic.

Clear this check box to block all NetBIOS packets going

from the LAN to the WAN and from the WAN to the LAN.

This field does the same as the Allow between WAN and

LAN field in the WAN IP screen. Enabling one automatically

enables the other.

Apply Click Apply to save your changes to the Business Secure

Router.

Reset Click Reset to begin configuring this screen afresh.

Table 14 LAN IP

Label Description

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 450 451

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