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.