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Author Topic: DSL-2750U Dropping WAN connection on a daily Basis  (Read 950 times)

Asokan

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DSL-2750U Dropping WAN connection on a daily Basis
« on: April 24, 2020, 10:26:52 AM »

Why my DSL-2750U dropping WAN connection on a daily Basis? I need to restart the router to gain internet access. Either it has to be cool booted or warm booted.


Device Info

BoardID:   DSL-2750U
Software Version:   IN_1.10
Bootloader (CFE) Version:   1.0.37-106.5
DSL PHY and Driver Version:   A2pD033c.d23h
Wireless Driver Version:   5.60.120.3.cpe4.406.0

Can any body help me out on this issue. Thanks
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FurryNutz

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    • Router Troubleshooting
Re: DSL-2750U Dropping WAN connection on a daily Basis
« Reply #1 on: June 22, 2020, 08:17:19 AM »

I recommend that you have your ISP check the cabling going to the ISP modem, check signal levels going to the ISP modem. For DSL or Fiber service lines, ensure that the ISP is using good working phone or cable lines to the DSL modem and that the phone lines are filtered correctly. I recommend having the ISP service physically check the lines going from the out side to the ISP modem. Connecting to the ISP modem could result in a false positive as the signal to the modem could be just enough to that point then adding on a router, could see problems. The router operation is dependent upon getting good data flow from the ISP modem and the modem is dependent upon getting good signal from the ISP Service.
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"Nothing Funny about It...." We are not here to Impress anyone! You have a be a COMPETENT user first to under stand COMPETENT help!

alwaysdiconnecting

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Re: DSL-2750U Dropping WAN connection on a daily Basis
« Reply #2 on: June 30, 2020, 03:46:52 PM »

this has rarely to do with cables, but with bad / old firewall security. there is some exploit coming presumably from mobile games, which tampers with open ports and unsecure services such as pharos, westec connect and aol or even ssh / telnet which can be comtacted from WAN even if setup doesnt allow it... please develop some update to firewall that can render these exploits useless
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FurryNutz

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Re: DSL-2750U Dropping WAN connection on a daily Basis
« Reply #3 on: June 30, 2020, 10:43:48 PM »

If your having problems with your and feel it's not cables, I recommend that you phone contact your regional D-Link support office and ask for help and information regarding this.
Link> Tech Support Contact Information
We find that phone contact has better immediate results over using email.

Good Luck.

this has rarely to do with cables, but with bad / old firewall security. there is some exploit coming presumably from mobile games, which tampers with open ports and unsecure services such as pharos, westec connect and aol or even ssh / telnet which can be comtacted from WAN even if setup doesnt allow it... please develop some update to firewall that can render these exploits useless
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"Nothing Funny about It...." We are not here to Impress anyone! You have a be a COMPETENT user first to under stand COMPETENT help!