mutiple ip setup in Networking http://www.dslreports.com/forum/r19260326 en Sat, 30 Aug 2008 07:40:37 EDT Sat, 30 Aug 2008 07:40:37 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19280714 LaWirelesWeb :
said by carp See Profile :

If the lights on your ports are flashing furiously with activity,
the only time during a lock up that lights were flashing was since i upgraded firmware on the d-link.

the lock ups i had in the past had no light activity associated with lock up.

what would be broadcast from port 143 and be picked up by port 59811.....?

edit
i see it may be imap2 i do use imap and it is comming from my mail server address but why does the d-link care about it.
i only use exchange on the lan and imap for remote computers.
i think the old lock up would happen some times when i would use one of the remote computers using imap on the lan.
i have something to look into i guess.....
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»www.LaWirelessWeb.com]]> http://www.dslreports.com/forum/remark,19280714 Thu, 18 Oct 2007 13:19:12 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19279911 carp : If the lights on your ports are flashing furiously with activity, then you may have a traffic/broadcast storm. YOu may be fine with a network loop for a long time, but as you add more devices the storm can get worse and worse, and finally to a point where you are locked up.

There is nothing wrong with connecting as many routers as you want to the same subnet. When you loop switches that are not running Spanning Tree Protocol, then your in trouble. In only takes a single mistake with a cable to create a loop.

When you are locked up you might be able to see a packet storm with a sniffer like wireshark, just depends how crippled the network actually is.]]> http://www.dslreports.com/forum/remark,19279911 Thu, 18 Oct 2007 11:18:52 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19279507 ple : i think the 3386 should be OK. Look in the manual for info about setting up ip maps. also look at the stuff on servers. there are probably several different ways you can handle your network. i do know that both the 9100 and the 4686 can handle this just fine...i used them in a similar situation where i had 4 non-contiguous ips. ]]> http://www.dslreports.com/forum/remark,19279507 Thu, 18 Oct 2007 10:16:46 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19276612 LaWirelesWeb :
said by ple See Profile :

what you really should do is get one router that supports multiple IPs. One recommendation would be a netopia 3000 or 4000 series, but there are othes
good call

i have been looking for an inexpensive router to handle multiple wan ip's
the Model # 3386-ENT can be less than $100.00 new
i use timbuktu every day so i like netopia

looking over the 3300 manual i see there can be a block of wan ip's and i guess also several blocks of wan ip's

do you know if it is true that there can be several blocks since my addresses are not continuos...?

i have now figured out that my problem started when i added a fourth router about 4 months ago.
a d-link dir-655 gigbit wireless N router.
since it has been a interment once every week or two problem i never attributed it to the d-link addition plus i love the wireless N
i just upgraded the firmware on the d-link and the problem got worse it appears to be a problem between one of the linksys routers (or a computer behind the router more likley) and the d-link i am getting a message such as this in the d-link log:

[INFO] Tue Jul 31 16:57:51 2007 Blocked incoming TCP packet from XX.XX.XX.XX:143 to XX.XX.XX.XX:59811 as FIN:PSH:ACK received but there is no active connection

edit:
these are wan addresses

this message is over and over again until as soon as i unplug the d-link wan every thing is fine.

i removed the actual addresses for posting but it is from a linksys wan ip to the d-link wan ip not sure exactly what is going on yet. any ideas......?

for now i am just using the d-link as a N access point on the lan side and all is well i think.
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»www.LaWirelessWeb.com]]> http://www.dslreports.com/forum/remark,19276612 Wed, 17 Oct 2007 20:04:40 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19274988 ple : if i correctly understand what you've done, you have 4 different routers all using the same LAN subnet, and they're all connected together on the LAN side. Sounds like a recipe for a lockup.

what you really should do is get one router that supports multiple IPs. One recommendation would be a netopia 3000 or 4000 series, but there are others.

these routers have 1 WAN input from your dsl/cable modem and typically have a 4-port switch to support the LAN side.

you program them with all of your IP addresses. the router then allows you to map a specific ip address to a specific server on the lan side, while allowing all your computers on the lan side to communicate with each other.

check out ebay for some deals, buy a real router and then sell the others ...you'll probably come out ahead.]]> http://www.dslreports.com/forum/remark,19274988 Wed, 17 Oct 2007 15:22:12 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19269467 LaWirelesWeb : no i can not ping internet..

it is not a dns issue.....
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»www.LaWirelessWeb.com]]> http://www.dslreports.com/forum/remark,19269467 Tue, 16 Oct 2007 19:27:57 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19269459 LaWirelesWeb : no i can not ping the internet

it is not a dns issue]]> http://www.dslreports.com/forum/remark,19269459 Tue, 16 Oct 2007 19:27:02 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19267294 fox7 :
said by LaWirelesWeb See Profile :

by lockup i mean all lights look good but no traffic will pass to intermet till i power cycle the 5 port switch.
Can you ping an Internet IP?? 63.233.187.99??

fox7]]> http://www.dslreports.com/forum/remark,19267294 Tue, 16 Oct 2007 13:47:41 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19263726 LaWirelesWeb : basically i have one dsl modem going to 5 port linksys gigbit switch this switch hooks to wan ports of 3 linksys routers and one d-link gigbit wireless N router.
each router uses different public ip on wan side and the same network on lan sides. dhcp is disabled on routers as i have win 2k sbs server that provides dhcp.
all devices expect for wireless clients anjd vonige voip are static addressed
the lan ports of the 4 routers goes to 24 port linksys gigbit vlan switch.
5 computers (sometimes more),one printer, one smartbridges access point,and one vonage voip goes to 24 port linksys switch.
a couple of laptops use wireless also.

by lockup i mean all lights look good but no traffic will pass to intermet till i power cycle the 5 port switch.

i do not feel like making a diagram at this time as i did for this job.
»www.pelagicportal.com
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»www.LaWirelessWeb.com]]> http://www.dslreports.com/forum/remark,19263726 Mon, 15 Oct 2007 22:33:43 EDT Re: mutiple ip setup http://www.dslreports.com/forum/remark,19260713 carp : No way is four machines clobbering a switch. Can you post a drawing of your network? YOu could poossibly be looping your network which could cause a broadcast storm whcih could cripple a network.

Can you describe further what you mean by a lockup?]]> http://www.dslreports.com/forum/remark,19260713 Mon, 15 Oct 2007 14:01:40 EDT mutiple ip setup http://www.dslreports.com/forum/remark,19260326 LaWirelesWeb : i have dsl with several static ip's i have been using isp supplied modem with built in 4 port switch to 4 separate routers
this has worked well for several years.
the last few months i have been getting lockup on modem/switch
i got a new modem from isp with only one lan port so i put a switch between modem and routers.
i now get a lockup on the new switch so this leads me to believe it was the switch locking up on the old modem/switch

what could be causing this lockup and what would be the best setup...?

i use multiple routers and ip's because i want access to different computers on the same ports for rdc and timbuktu etc.....

i have a linksys 24 port vlan gigbit switch with about 8 unused ports
i was thinking of creating a vlan for 5 of the ports for the wan connections maybe this switch is more reliable would this work should i try this....?
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»www.LaWirelessWeb.com]]> http://www.dslreports.com/forum/remark,19260326 Mon, 15 Oct 2007 12:54:10 EDT