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Chapter 5
IISP in an ATM Network
Where IISP Fits in an ATM Network ...............................................................................5-2
IISP Link Configuration ...................................................................................................5-3
IISP Route Table ......................................................................................................5-3
Route Entry Table ..............................................................................................5-5
Link Groups and Loop Prevention ..................................................................................5-6
How a Link Group Provides Loop Prevention ..........................................................5-7
Example of IISP and Redundant Links in a Network .............................................5-11
Example of Link Groups in a Network ....................................................................5-13
Chapter 6
Packet Filter Applications
Traffic Management in Switched Internetworks ..............................................................6-2
Introduction to Packet Filtering .......................................................................................6-3
Packet Filter Examples ...................................................................................................6-6
Enhanced All Routes Explorer Reduction in Meshed Networks ..............................6-7
General Explorer Filters for Token Ring Networks ...................................................6-9
Dropping All Routes and Spanning Tree Explorers ...........................................6-9
Dropping Spanning Tree Explorers ....................................................................6-9
NetBIOS Filters ......................................................................................................6-10
Dropping NetBIOS Frames (802.3 Format) from Ethernet Ports .....................6-10
Dropping NetBIOS Frames from Token Ring Ports ..........................................6-11
Dropping Single Route and All Routes NetBIOS Explorers from
Token Ring Ports .............................................................................................6-11
SNA Filters .............................................................................................................6-12
Forwarding SNA Frames and Dropping All Other Frames from
Token Ring Ports .............................................................................................6-12
Forwarding SNA Frames (802.3) and Dropping All Other Frames from
Ethernet Ports ..................................................................................................6-12
Forwarding SNA Frames (Ethernet V2.0) and Dropping All Other Frames
from Ethernet Ports .........................................................................................6-13
IPX Filters ...............................................................................................................6-13
Dropping Token Ring IPX Traffic and Forwarding All Others ...........................6-13
Dropping IPX Frames and Forwarding All Others on Ethernet Ports ...............6-14