beautypg.com

Frame relay – Atec Agilent-J2300E User Manual

Page 41

background image

41

Traffic Generation

The Agilent Advisor WAN has powerful and flexible traffic generator

capabilities. Virtually any type of message or frame can be transmitted onto the

network.

•Transmit a frame once, a specific number of times, or continuously transmit

previously captured frames

•Emulation supported Frame Relay (Annex D, Original LMI, and Annex A)

• Maximum traffic generation rate 100% of available bandwidth allowed by

protocol specifications

•Line speeds 300 b/s to 52 Mb/s

• Traffic generation protocols supported HDLC/SDLC, Frame Relay and X.25

•Frame lengths allowed 4 bytes (address, control and FCS) to 9216 bytes per

frame

•Specify traffic rates by:

- 1% to 100 % utilization

- interframe flags

- frames per second (30,000/sec)

- interframe delay (milliseconds)

• Maximum measured line rate 99%

• Maximum number of different frames allowed 20

• Define up to 4 different blocks, each having different traffic levels and patterns

• Use Quick Tests for commonly used message types

•Interfaces supported V.24/V.28/RS-232C, V.35, V.36/RS-449/422/423/530, X.21, T1,

E1, HSSI, and DS3

• Clock source DTE/equipment, DCE/Line, internal, or recovered

(50 b/s to 52 Mb/s)

•Full bandwidth, channelized (DS1), fractional (DS0) on DS3 traffic generation

Line Status

The operation of the physical interface is often critical in determining the cause

of network problems. Therefore, the Agilent Advisor tracks errors at the

physical layer, and stamps the information with a 1 ms time stamp. Counts of

error and alarm events are recorded on the display for both the line (network)

and equipment (user) side. The time of the last occurrence of a particular event

is recorded as well. Events are saved in the buffer and can be logged to disk.

Figure 22 depicts a typical Line Status view.

Frame Relay

(continued)