RAD Data comm E1/T1, Modular Access Device with Integrated Router Action of a Quick Filter

Chapter 5 Setup Menu FCD-IPMInstallation and Operation Manual

FCD-IPM features two types of filters:

•Quick Filters

•Advanced Filters.

Quick Filters are used to regulate specific protocols:

•IP

•IPX

•SNA

•NetBIOS

•AppleTalk

•DECnet.

•Others

A Quick Filter can neutralize these protocols by blocking all traffic of that protocol from the LINK inwards. Refer to Figure 5-86.

Traffic to the LAN is Blocked by Quick Filter

Link

FCD-IPM

Quick Filter

Figure 5-86. Action of a Quick Filter

Advanced Filters are used to regulate traffic in both directions. (Refer to Figure 5-87).

•From LAN to the Link. Using filters here will forward or block traffic from the LAN outwards.

•From Link to the LAN. Using filters here will forward or block traffic from the link inwards.

Using a variety of parameters, Advanced Filters can be used to regulate different protocols, to totally or partially block traffic, and to control traffic between links.

5-82 WAN Economy Menu