Download IXP2400 Development Tools User`s Guide

IXP2400/IXP2800 Network Processors
Developer Workbench
— Click From list if you want
addresses chosen from a list
that you specify.
— To add an address to the list,
enter the address in the box to the right of the list then click Add Address.
— To delete an address from the list, select it then click the
button.
— To move an address up or down in the list, select it and click the
or the
button.
— To have addresses chosen sequentially from the list, starting within the first address in the
list, click Sequential.
— To have addresses chosen randomly from the list, click Random.
2.11.10
Specifying a TCP Header
1. Create an Ethernet TCP/IP data stream (see Section 2.11.5) or a PPP TCP/IP data stream (see
Section 2.11.6).
2. In the Ethernet IP Data Stream dialog box, click Create Frames.
3. Click TCP Header.
4. Enter values directly into the boxes.
5. If you want the checksum to be automatically computed, select Computed next to the
Checksum box. Otherwise, the value you enter will be used without modification.
2.11.11
Specifying a Data Payload
1. Create or edit a data stream of any type containing frames.
2. Click the Data Payload button to display the options for specifying the data payload for a
frame.
3. Select a pattern from the Fill pattern list.
4. If you select an incrementing or decrementing pattern, you can specify the starting value for
the fill operation in the Hex starting value box.
5. If you are creating multiple new frames you also have the option of having the incrementing or
decrementing span the set of frames being created. For example, if the first frame is created
with data 00 01 02... 4f, the second frame will have data 50 51 52..., and so on.
6. If you are editing an existing frame, you can choose to edit the data directly by clicking
Custom Data, then editing the data fields within the box.
2.11.12
Specifying Frame Size
Specify a fixed frame size or, if you are creating multiple frames, a size which is randomly or
incrementally selected from within a specified range.
To do this:
1. Create or edit a data stream of any type containing frames.
Development Tools User’s Manual
97