Chapter 23 Troubleshooting
P-660N-T1A User’s Guide
231
I cannot access the Internet anymore. I had access to the Internet (with the ZyXEL
Device), but my Internet connection is not available anymore.
1
Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide and
.
2
Turn the ZyXEL Device off and on.
3
If the problem continues, contact your ISP.
The Internet connection is slow or intermittent.
1
There might be a lot of traffic on the network. Look at the LEDs, and check
. If the ZyXEL Device is sending or receiving a lot of information,
try closing some programs that use the Internet, especially peer-to-peer
applications.
2
Check the signal strength. If the signal strength is low, try moving your computer
closer to the ZyXEL Device if possible, and look around to see if there are any
devices that might be interfering with the wireless network (for example,
microwaves, other wireless networks, and so on).
3
Turn the ZyXEL Device off and on.
4
If the problem continues, contact the network administrator or vendor, or try one
of the advanced suggestions.
Advanced Suggestions
• Check the settings for QoS. If it is disabled, you might consider activating it. If it
is enabled, you might consider raising or lowering the priority for some
applications.
Summary of Contents for P-660N-T1A
Page 2: ......
Page 8: ...Safety Warnings P 660N T1A User s Guide 8...
Page 10: ...Contents Overview P 660N T1A User s Guide 10...
Page 18: ...Table of Contents P 660N T1A User s Guide 18...
Page 19: ...19 PART I User s Guide...
Page 20: ...20...
Page 50: ...Chapter 4 Tutorials P 660N T1A User s Guide 50...
Page 51: ...51 PART II Technical Reference...
Page 52: ...52...
Page 84: ...Chapter 6 WAN Setup P 660N T1A User s Guide 84...
Page 98: ...Chapter 7 LAN Setup P 660N T1A User s Guide 98...
Page 146: ...Chapter 9 Network Address Translation NAT P 660N T1A User s Guide 146...
Page 150: ...Chapter 10 Firewall P 660N T1A User s Guide 150...
Page 160: ...Chapter 12 Static Route P 660N T1A User s Guide 160...
Page 200: ...Chapter 18 CWMP P 660HN T1A User s Guide 200...
Page 222: ...Chapter 21 Tools P 660N T1A User s Guide 222...
Page 232: ...Chapter 23 Troubleshooting P 660N T1A User s Guide 232...
Page 240: ...Chapter 24 Product Specifications P 660N T1A User s Guide 240...
Page 278: ...Appendix B IP Addresses and Subnetting P 660N T1A User s Guide 278...
Page 288: ...Appendix C Pop up Windows JavaScripts and Java Permissions P 660N T1A User s Guide 288...
Page 320: ...Index P 660N T1A User s Guide 320...
Page 321: ...Index P 660N T1A User s Guide 321...
Page 322: ...Index P 660N T1A User s Guide 322...