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Example Configuration Scripts............................................................................92
Overview of OpenArchitect VLAN Interfaces....................................................93
Tagging and Untagging VLANs..........................................................................94
Switch Port Interfaces..........................................................................................94
Layer 2 Switch Configuration.................................................................................. 94
Using the S50layer2 Script.................................................................................. 96
Rapid Spanning Tree................................................................................................ 96
To Enable Rapid Spanning Tree:.........................................................................96
Port Path Cost...................................................................................................... 97
Layer 3 Switch Configuration.................................................................................. 97
Using the S50layer3 Script.................................................................................. 98
Layer 3 Switch Using Multiple VLANs............................................................100
Using the S50multivlan Script...........................................................................100
To Modify the Layer 3 Multivlan Script ......................................................... 102
Modify the example script you copied into the /etc/rcZ.d directory. Adjust and
assign the number of IP addresses as applicable. In the example below, the IP
address is changed for the interface in the ifconfig command line of the script.
........................................................................................................................... 102
Layer 3 Routing Protocols with GateD ................................................................. 102
Using the Provided S55gatedRip1 Script.......................................................... 102
To Modify the GateD Scripts: .......................................................................... 104
Class of Service (COS) ..........................................................................................105
Egress Queues....................................................................................................105
Ingress Classification.........................................................................................105
Marking and Re-marking...................................................................................106
Scheduling......................................................................................................... 106
zcos......................................................................................................................... 106
zfilterd.....................................................................................................................106
ztmd................................................................................................................... 106
Running zfilterd................................................................................................. 107
Restrictions on Implementation.........................................................................107
Conflict Resolution............................................................................................107
iptables and filtering............................................................................................... 108
Introduction........................................................................................................109
Packet Walk....................................................................................................... 110
Filter Rules Specifications.................................................................................110
Specifying Source and Destination IP Addresses..............................................110
Specifying Protocol........................................................................................... 110
Specifying an ICMP Message Type.................................................................. 110
Specifying TCP or UDP ports........................................................................... 111
Specifying TCP flags.........................................................................................111
Specifying an Interface...................................................................................... 111
Filter Rule Targets............................................................................................. 111
Supported Targets..............................................................................................111
Ethernet Switch Blade User's Guide release 3.2.2j page viii