IPmux-1/1E Installation and Operation Manual Chapter 5 Application Configuration Procedures
Checking the Application 5-17
DEFAULT GATEWAY
1. Gateway IP 0.0.0.0
ESC. Exit
Select item from the menu.
Figure 5-11. Default Gateway Menu
5.5 Checking the Application
Once you have finished configuring all the IPmux units, there are several levels on
which to check the application:
1. Use the IPmux Statistics
2. Check the TDM equipment statistics and functionality.

Using IPmux Statistics – Step 1

To check the application using IPmux Statistics:
1. Select the Performance Monitoring me nu in IPmux-4.
2. Select the Bundle Connection Stat us menu and verify that the connectivity
status is OK, and that you don’t have any sequence errors, underflows or
overflows rising. Verify this for both Bundle 32 and Bundle 33.
3. If the connectivity status is not OK (either local or remote failure):
Check that all cables and physical connections on the IP s ide are OK.
Check that the Bundle Connection configuration was properly made.
Check that the IP Addresses and Default Gateways are configured correctly.
4. If you have sequence errors and underflows:
Check under LAN Statistics that your Ethernet c onnection is full duplex. If
it is detected as half duplex, this could indicate that a problem exists in the
Auto-negotiation mechanism between IPmux and the switch/router. In this
case, set both devices to Auto-negotiation Disable, default type on IPmux
to full duplex, and either 10M or 100M, according to the switch/router
capability.
Check under LAN Statistics that only the correct frames and correct octets
are received and transmitted. If other counters are rising, check the physical
connection of the IP side (cables, switch/router port, etc.).
5. If you have underflows or overflows at set intervals of time:
Check that all IPmux units are configured to the correct clock modes.
Check that the TDM device is configured to the correct clock mode.
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