JDS Uniphase SmartClass E1, Руководство пользователя

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Chapter 5 Datacom Testing
Frame Relay testing
68 SmartClass E1 Tester User’s Guide
3 If you need to specify other settings for the test, press Cancel to return to
the Configuration menu.
The frame load settings are configured.
Configuring the frame header
settings
You can specify characteristics for the frame header such as transmit (Termi-
nate mode only) and receive DLCIs, and whether the transmit control bits (DE,
FECN, BECN, and C/R) are active.
To specify frame header settings
1 If you haven’t already done so, launch the Frame Relay application (see
“Launching the Frame Relay application” on page 64 ).
2 On the Configuration menu, select FR Header Settings , and then specify
the following settings:
Dest IP Address
(Ping loads only) Enter the IP address of the device the echo request
packets will be transmitted to.
Ping Length Enter a value, from 34 to 2000 octets, to indicate the
length of the packets.
Encapsulation Select the type of encapsulation for the packets:
– NLPID
– ETHER
Setting Parameters
Setting Parameters
DLCI Tx Enter a value, from 0 to 1023 , for the transmitted data
link connection identifier (DLCI).
DE Bit Tx Enter one of the following values for the discard eligibil-
ity indicator:
–
1 : Indicates the field is checked.
– 0 : Indicates the field is blank.
FECN Bit Tx Enter one of the following values for the forward explicit
congestion notification bit:
–
1 : Indicates the field is checked.
– 0 : Indicates the field is blank.
BECN Bit Tx Enter one of the following values for the backward
explicit congestion notification:
–
1 : Indicates the field is checked.
– 0 : Indicates the field is blank.
C/R Bit Tx Enter one of the following values for the command/
response field bit:
–
1 : Indicates the field is checked.
– 0 : Indicates the field is blank.
DLCI Rx Enter a value, from 0 to 1023 , for the received data link
connection identifier (DLCI). The
E1/Datacom Tester
will display test results for the traffic on this DLCI in the
DLCI result category; results for the entire link appear in
the Link result category.