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Author Topic: cannot establish connection between two routers  (Read 5905 times)

ksgupta1991

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cannot establish connection between two routers
« on: August 13, 2013, 07:50:13 AM »

i have a dlink adsl router(dsl 2750U) and a D-Link DIR-600L Wireless N150 Cloud Router.
when i connect the adsl router to the cloud router from adsl lan to 600l wan using the 1.5m cable the adsl router allocates the ip to the cloud router.
but when i connect using the 30 meters cable the cloud router is not getting the ip address form the adsl router.
i checked the cable by connecting my laptop to adsl router by the 30m cable(both in cross and straight mode),its working fine.

but when i used the 30m cable in(straight and cross mode)the cloud router is not getting ip from the adsl router.
adsl config:192.168.1.1  dhcp enabled.
cloud config:192.168.2.1  dhcp enabled.

any suggestions would be helpful????
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FurryNutz

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Re: cannot establish connection between two routers
« Reply #1 on: August 13, 2013, 07:53:42 AM »

      Link>
Welcome!



Also:
li] If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems: Link>Double NAT and How NAT Works. To tell if the modem is bridged or not, look at the routers web page, Status/Device Info/Wan Section, if there is a 192.168.0.# address in the WAN IP address field, then the modem is not bridged. If the modem can't be bridged then see if the modem has a DMZ option and input the IP address the router gets from the modem and put that into the modems DMZ.[/li]
[li]For DSL/PPPoE connections on the router, ensure that "Always ON" option is enabled.[/li][/list]
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

ksgupta1991

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Re: cannot establish connection between two routers
« Reply #2 on: August 13, 2013, 08:11:58 AM »

i used a cat 6 cable in both (standard and cross modes).
both the 1.5m and the 30m cables are working fine.

but when i use the 30m cat6(standard or crossed)cable, adsl router is not giving ip to 600l router.
(the links between both the routers are also stable).
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FurryNutz

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Re: cannot establish connection between two routers
« Reply #3 on: August 13, 2013, 08:17:42 AM »

Well if the shorter cable is working and the longer cable isn't, I would presume the longer cable could be at fault here. Are you powering OFF the 600L before installing the longer cable? Try different ports on the back of the 600L?
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

ksgupta1991

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Re: cannot establish connection between two routers
« Reply #4 on: August 13, 2013, 08:32:41 AM »

i tested the long cable using the network cable tester and its working fine.
i installed the long cable between adsl router and the 600l router in different possible cases(ie adsl router "on" and 600l "off" ,adsl "on" and 600l "on" )
but its not working.

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FurryNutz

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Re: cannot establish connection between two routers
« Reply #5 on: August 13, 2013, 08:34:38 AM »

So can you install the longer cable and put in place a Laptop or PC and test instead of the 600?
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

FurryNutz

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Re: cannot establish connection between two routers
« Reply #6 on: August 13, 2013, 08:54:04 AM »

Also pull the cable in and re-seat on both plug ends
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.