
Diagnostics 9145E NID Software User’s Manual
VLAN Loopback
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4.4.2 L2 Ping Generator
To set up the L2 Ping generator, type 3 and press Enter. The L2 Ping Generator screen (Figure 4-9)
appears.
Figure 4-9 802.1ag Loopback Configuration
Run the test by selecting 13. This will give you all the statistics that are described below.
Destination MAC Address: MAC address that the LBMs will be sent to.
VLAN ID: - VLAN ID to be put in the LBM.
VLAN Priority: - Priority to be put in VLAN tag.
Ethertype: - Ethertype to be put in the LBM.
MD Level: - MD level to be put in the LBM.
Egress Port: - Port that the LBMs will be sent out.
Frame Count: - Number of LBMs to be sent out.
Frame Size: - Frame size of the LBM to be built, excluding 4 bytes CRC.
Frame Interval: - Time interval between two LBMs to be sent out. 0-500 in 10 ms intervals may be
specified. 0 indicates as fast as possible.
Frame Format: - Frame to be sent out in IEEE 802.3 or LLC SNAP format.
Start L2 Ping: - Start to send out the LBM and verify the responses. The status will be shown. You
may stop the testing by entering the ESC key.
After starting a Layer 2 Ping, the following statistics will appear on the bottom half of the screen:
First Transaction ID: - Transaction identifier for the first LBM sent out in this test.
LBM Transmitted: - Number of LBMs sent out in this test.
LBR Received: - Number of valid LBRs been received in this test.
Can og a Perkins Corp Ethernet Netw ork Interface D evice 22 -SEP-2008
M odel 9145E-101-2-0 V 02.10 F121 02 :59:35
-------------------------------L2 PING GENERATOR--------------------------------
1) D estination M A C A ddress 00 -00-00-00-00-00
2) V L A N ID (1-4 09 4) 1
3) V L A N Priority (0 -7) 0
4) E thertype (4 Hex digits) 8902
5) M D Lev el (0-7) 7
6) E gress Port Net
7) Frame Count (1-99999999) 1
8) M inim um Fram e S ize (60-9996) 60
9) M axim um F ram e Size (60-9996) 1514
10) Increm ental Size (0-256) 0
11) Frame Time Interval (0-5 00 1 0m s) 0
12) Frame Format IEEE 802.3
13) Start L2 Ping
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