Quadro Quadro4L Instalační příručka stáhnout pdf (Strana 55)

Quadro6L/4L Manual I: Installation Guide Appendix: Checking the Connections

Appendix: Checking the Connections

If the system doesn’t seem to be working properly, even when all the cables are connected

properly, it may be helpful to Start Network Diagnostics: The WAN link, IP configuration,

gateway, DNS server, and STUN-NAT will all be checked.

To start diagnostics, open the System's menu item Diagnostics and click Start Network

Diagnostics.

Fig. l- 51: System Diagnostics - Network Diagnostics page

If the test passes, the output of the system may look as follows:

Basic Tests:

Checking for physical link: WAN link ok

Checking IP configuration: dynamically via DHCP Client

DHCP Client is running

Checking internet connectivity (ICMP ping):

Gateway: reached

Primary nameserver: reached

Secondary nameserver: not configured

www.epygi.com: reached

STUN Network Address Translation (NAT) Check:

External visibible address: 212.126.210.179

Detected NAT type : Restricted cone

Performing MTU Discovery:

preparing system

Sending UDP Datagram of size 1500 got answer

clean up

Largest usable MTU size is: 1500 Bytes

Test successful.

Depending on where the test is failing, the diagnostic can give some advice on how to

solve the problem. See the example below of a failed test:

Quadro6L/4L; (SW Version 5.2.x) 55

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Quadro Quadro4L Instalační příručka Strana 55