Canoga-perkins 9145E NID Software Version 4.10 Manuel d'utilisateur télécharger pdf (Page 57)

Diagnostics 9145E NID Software User’s Manual

PING Generation

3. Test VLAN C/T/S The test packets will carry this VLAN Tag. The Test VLAN can only be

changed if the From IP Address is set to the Test IP, or the if Aux Allow Any VLAN is

enabled.

4. Test Packets per sec Controls the number of packets that will be sent for every second

the test runs. Settings are: 1, 2, 5, 10, 20, 50 or 100.

5. Packet Timeout sec (1 - 10) Sets the packet timeout for this test, from 1 to 10 seconds.

If a response is not received within this time limit, the packet will be considered dropped.

6. Packet Priority Sets the packet Priority Code Point (PCP) from 0 to 7, with 0 being the

highest priority.

7. Packet DSCP Code (0 - 63) The Differentiated Services Code Point (DSCP) code used

to classify packets in a Diffserv network. Other network devices that support Diffserv use

the DSCP code in the IP header to select a per hub behavior (PHB) for the packet and

provide the appropriate QoS treatment.

8. Packet DF Bit The DF (Don’t Fragment) Bit is an identifier in the packet that determines

if this packet can be fragmented to smaller packets.

9. Test Duration min:sec Sets the amount of time the test will run in minutes and seconds.

A setting of 0 will allow the test to run forever.

10. Min Test Payload Size (40 - 9950) Sets the minimum test size, in bytes. The 9145E

sends test packets ranging in size from the minimum packet setting to the maximum

packet setting (sweep), if they are different. The minimum payload size must be less than,

or equal to, the maximum payload size. If a sweep is being performed, the size will be

incremented by 1 byte for each message sent until the maximum test payload size is

reached, the decremented by 1 byte for each message sent until the minimum payload

size is reached, then repeated as necessary.

11. Max Test Payload (40 - 9950) Set the maximum test payload size, in bytes. The

maximum payload size must be equal to, or greater than, the minimum payload size.

NOTE: If the DF Bit is clear, the actual maximum packet size is 8192. The DF Bit must be set for

oversized packets greater than 1518 (payload size greater than 1472) to be sent or the packet

will be fragmented (sent as multiple packets of size 1518).

12. Start/Stop Test Start and Stop testing.

4.3 PING Generation

The PING Generation screen (also available from the Utilities screen) is used to determine if a

destination is reachable from the NID. From the Diagnostics screen, type 3 and press Enter. The

PING Generation screen (Figure 4-4) opens.

1. To enter a Ping to address, on the PING Generation screen, type 1 and press Enter. Type

the destination IP address and press Enter.

2. To change the Ping from Address, type 2 and press Enter. Press the Space bar to select

Test IP (if available), Mgr IP, Aux IP, or Auto Selection, and then press Enter. The Auto

Selection setting will start first with the Test IP.

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Canoga-perkins 9145E NID Software Version 4.10 Manuel d'utilisateur Page 57