RAD Data comm E1/T1 Manuel d'utilisateur Page 172

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Chapter 5 Setup Menu FCD-IPM Installation and Operation Manual
5-82 WAN Economy Menu
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.
FCD-IPM
Link
Traffic to the
LAN is Blocked
by Quick Filter
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.
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