UMD DL-3CA0M16-AR, Руководство пользователя, Страница: 63 / 98

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When configuring the firewall rule, whether take IP camera into account.
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Solution:
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Before searching the network fault, please make sure to use the ping
command in the command mode to connect the IP address. To check the
message returned from ping is a very important step. If no message is
returned, it indicates that some faults must exist in the network.
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If the IP address and Mac address are bound, adding a new binding of IP
address and Mac address of the IP camera within the exchanger is
required inside switch.
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If the IP camera never be recognized when configuring the firewall rule
of switch, it’s necessary to allow the communication on ports 3000, 3001,
3002, 3003 and 80 for the IP camera. Otherwise, any data packet will be
filtered and can’t reach target.
2.5. Errors Occur After Updating
Delete the buffer of the browser. The detailed steps are as follows: open the
tool menu of browser to open the Internet option, and then click the ―Delete File‖
button in the second item (temporary file of Internet) and check the ―Delete All
Offline Contents‖ option. Then confirm, and login the IP camera again.