Wireless bridge be setup - cable modem (downstairs) to a EA4200v1 to a EA6500 (upstairs)?

Hello, I have a question on how to improve my home network. I have Comcast digital cable TV and High speed internet that is very spotty in the coverage in our split-level home. Currently my home network setup has the cable modem located near the main box in the basement family room and a Cisco Linksys EA6500 centrally located upstairs. This does not give adequate WiFi coverage to the downstairs basement family and bedroom for Netflix, xBox and laptop computing.
I have a Cisco Linksys EA4200v1 router that I replaced the Cisco Linksys EA6500 with. Is it possible to hook the EA4200v1 router up straight from the cable modem downstairs and then run the network cable out to the EA6500 upstairs and have them all on the same network? Would this give me good coverage on both levels of the house?
Thank you so much for any assistance you may be able to provide.

The router on bridge mode would lose all router capabilities. However the wireless capabilities would remain. The USB functionality of the router would also not work when in bridge mode.
Since the router connected to the modem is the EA6500, I suggest you setup the E4200 to bridge mode. Make sure you have the latest firmware installed on the E4200 since the old firmware doesn’t include bridge mode capability.
Setting up your Linksys wireless-N router to Bridge Mode

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You can do this with a wireless router - any model sold by your local computer shop will do, and should cost you around $30-60. At home:
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- connect the eMac to one of the router's LAN ports
- your new laptop will of course connect wirelessly
All this can also be done exactly as I described with an Apple Airport Extreme Base Station (costs $199). For that premium price you get a device that is arguably easier to set up for Mac users, and you get a built in USB port that can be used to share a connected printer between both the eMac and the laptop.

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If anyone out there has a clue on how to configure my system please provide me with the steps to follow.
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It can be a little tricky. I did it a couple of months ago with an Ultra 5 running Solaris 9, but I'm guessing it's pretty similar.
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http://www.rite-group.com/consulting/solaris_dhcp.html
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#!/usr/bin/ksh
# Used for updating the IP only when necessary.
NEWIP=`netstat -rn | grep le0 | head -1 | awk '{ print $2 }'`
OLDIP=`cat /var/adm/OLD-IP.txt`
echo $NEWIP > /var/adm/NEW-IP.txt
if [ "$NEWIP" != "$OLDIP" ]; then
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/usr/local/bin/ez-ipupdate -S dyndns -u username:password -h dns_name -i le0 > /dev/null 2>&1
fi
Good luck!

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Can this be done? Where i live i dont have access to a cable modem but i would still like to have a wrieless net work in my house, any sugestions?

ok, last time i tried to install a router it would not let me install it without a cable modem, so a router like the WRT610N would do what i need it to do as far as being able to install it without a cable modem correct?

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I am trying to get Time capsule to act as what I think is supposed to be a wireless bridge (Apple retail employee's advice) to enable an old G4 iMac upstairs to have wireless ("Airport") online access from the wifi cable modem downstairs. I can get everything to work when I run ethernet cable down the stairs but avoiding that is exactly why I bought the Time Capsule.
I thought time capsule was a wireless device! how do I get it to speak to the gateway?? Right now it is blinking amber slowly.
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Thanks everyone. My understanding is that the time capsule needs to be hard wired to the gateway , not what apple retail store "genius" told me. I really wanted to wifi-enable the stranded G4 (and thus access the laserwriter 8500 cabled to it) upstairs.
-- now I'm re-reading bob timmons' remark, and wondering: i don't think I need time capsule to be a router, do I? I just need it to connect to the G4 with a cable, and receive wifi from the gateway ( ... and do time machine backups). I really only need one ethernet port, and the wifi connectivity.
so on a whim I had also ordered a airport express, thinking it would be fun to get iTunes on an old stereo system. Now I think I need it to do the job of wifi-enabling the upstairs G4 instead. Just came this afternoon. We'll see if this allows me to get rid of the ethernet cable mess.
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Hello,
I'm probably in a little over my head thinking I could configure MacOS X Server without much IT knowledge. But I started, so I'm not giving up yet.
Here's my setup:
— cable modem ethernet connects to USB nic (the apple macbook air one) plugged into mac mini running 10.5.6 Server
— ethernet on mac mini connects to switch
— switch connects to airport base station set-up as bridge
— in the future other computers will connect over ethernet to the switch (that's why mac mini isn't plugged into base station directly)
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— cable modem uses DHCP (no fixed IP).
— when first installing 10.5.6 Server, modem was connected directly to ethernet on mac mini, and picked up everything from DHCP, worked fine. Ran all the system updates (started with a 10.5 initial install)
— after everything was installed, I switched the modem to the USB ethernet adapter and ran NAT setup assistant. configured the USB Ethernet as the WAN, Ethernet as the LAN, turned on VPN.
— now the USB Ethernet won't pick up the DHCP of the WAN anymore. It did it once, and then never again.
— I've run the NAT setup assistant to switch the WAN and LAN nics to see if the USB Ethernet was the issue, but with the same results.
— This setup used to work although not quite stable on 10.5.4 server.
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— is the LAN DHCP messing with the WAN?
— in the previous version I had to set the replythresholdseconds from 10 to 0 in the bootpd.plist for it to hand out DHCP on the LAN, but there is no such entry in the pootpd.plist anylonger, and the keynet_address entry that was missing from the previous version of bootpd.plist is now present, so it seems the bootpd.plist has been fixed by apple.
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Thanks,
Hagenaer
Thanks!
Message was edited by: Hagenaer

Thanks for your reply, DigiAngel.
DSL modems differ from cable modems as far as I understand. Where DSL modems are actually routers capable of NAT/DHCP, cable modems are just a network interface/brigde and can't do any of that. So it should pass the external IP to the computer. I'm writing on a laptop with the cable modem directly plugged into it, and it picked up the external IP etc. near instantly. The mac mini did the same before I ran the NAT setup assistant. I believe it picked it up once after that, but never since.
I had done a clean install, had the ethernet plugged into its internal ethernet port (en0) and was able to download all the system updates. Then plugged in the USB ethernet, I'm pretty sure it still picked up the IP there. Ran the NAT setup assistant and can't get anything to work anymore. Even with all services switched off.
So the modem is doing its job, but when I connect it to the USB nic the connection gets a self-assigned IP in about 3 seconds after seeing the cable is connected. The one time I've seen it get the right IP, it got a self-assigned IP first and then about 5 seconds later picked up on the correct IP. (And it picked up everything, including DNS server and search domains, which this laptop I'm writing on does not, although it works just the same).
Unfortunately, this laptop runs 10.4.11 which doesn't recognize the USB nic, so I can't test the adapter outside of the server environment. But I've had the genius bar test the adapter previously and it worked fine then, plus I've run the NAT setup assistant with the connections inverted (WAN over built-in ethernet, LAN over USB ethernet) with the same results: WAN gets self-assigned IP.
I've also tried configuring manual IP for the WAN from what I saw was given to this laptop (it kept the same IP even after being disconnected/reconnected, so I guess the IP for my modem won't change IP unless I reset it. Although I'm not sure if it's correct logic to assume the mac mini would pick up the same IP as well since I think that's actually tied to the MAC address and the IP doesn't belong to the modem but to the computer behind it).
Anyway, I'm not sure what to try next...
Hm. Wait, this might have something to do with it: the firewall logs the following:
Mar 22 14:12:07 server ipfw[4997]: 65534 Deny UDP 73.227.220.1:67 255.255.255.255:68 in via en 2
Looking up 73.227.220.1 gives me dns1.inflow.pa.bo.comcast.net, clearly my provider's DNS server. Trying to get me an IP that my wirewall is denying? Turning off the firewall doesn't make it pick up the correct IP though... I have turned off all services and still just got a self-assigned IP.

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Paul

The AEBS is a wireless router, not a cable modem. A good cable modem is the Motorola 5120 but it is not wireless.
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SA520W & AP541N /AP1252 Wireless bridging

here's our current setup
50Mbps Docsis 3.0 cable -->ASA5505 -->SMC 802.11n bridge --->Cisco AP1252 -->2960G 8 port - with a 24 port unmanaged daisychained to it ...right now clients only connect on the 5ghz only using MSRADIUS PEAP to MSFT WIN2008V2 Domain & Wireless bridge is WPA2-PSK on 2.4GHZ
obviously not the best setup... some things are monitored with CNA others ASDM
can the 520W wireless bridge using WPA2-PSK (or MS Radius PEAP) to either an AP1252 or an AP541N
we are thinking of UPGRADING .. to the following setup
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can this all be managed using a single tool...? and if so what are the differances between CCA & CNA as they basically appear to do the same thing?
our other thoughts were an intergrated router with Cable modem 802.11N & Gigabit in a single box.
we looked at the 1941W problem is it doesn't support a Docsis 3.0 HWIC (only Docsis 2.0) but we could have an IPS Module + Gigabyte switch card.. for a "single box solution.." but the cost was too expensive for a small business..
thanks again for your assistance as Cisco appears to have many overlapping products.
Kevin

here's our current setup
50Mbps Docsis 3.0 cable -->ASA5505 -->SMC 802.11n bridge --->Cisco AP1252 -->2960G 8 port - with a 24 port unmanaged daisychained to it ...right now clients only connect on the 5ghz only using MSRADIUS PEAP to MSFT WIN2008V2 Domain & Wireless bridge is WPA2-PSK on 2.4GHZ
obviously not the best setup... some things are monitored with CNA others ASDM
can the 520W wireless bridge using WPA2-PSK (or MS Radius PEAP) to either an AP1252 or an AP541N
we are thinking of UPGRADING .. to the following setup
Cable modem --->SA520W --->AP541N -->ESW540-24P-K9 (or use the AP1252 Dual Radio's Instead of the AP541N... would the AP1252support Standard POE with this ESW switch ? or require MCS be turned down in power to support both radios.?. or just be able to use a single Radio? as we were told a 3750G switch would be needed for full 18.5W POE
instead of using 2.4ghz for the bridge & 5ghz for the clients.. (since the AP541N only support 2.4 or 5GHZ switchable not both) can both the clients & bridge all use MS Radius PEAP to Win2008 PDC or would we be forced to use WPA2-PSK with the SA520W & AP541N solution
can this all be managed using a single tool...? and if so what are the differances between CCA & CNA as they basically appear to do the same thing?
our other thoughts were an intergrated router with Cable modem 802.11N & Gigabit in a single box.
we looked at the 1941W problem is it doesn't support a Docsis 3.0 HWIC (only Docsis 2.0) but we could have an IPS Module + Gigabyte switch card.. for a "single box solution.." but the cost was too expensive for a small business..
thanks again for your assistance as Cisco appears to have many overlapping products.
Kevin

Airport Extreme Base Station not cooperating with Cable Modem

The non-specific issues are by far the most frustrating and I can't make any sense of this. To be fair, this might not be a AEBS issue as much as a ISP issue, but any suggestions are much appreciated.
History: My setup has worked great for about 6 months, but recently I've been having intermittent problems (described below) that have been getting progressively worse and more frequent. The issues have not changed in relationship to firmware/software updates for the AEBS and airport utility.
Setup: Cable Modem (Time Warner Kansas City is ISP) --> AEBS (A1143 on the latest firmware) --> periodic wireless connection to imac, macbook pro and 2 iphones. A Time Machine (hard drive) is also connected to the AEBS via USB.
Symptoms:
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-Wired connections are completely unaffected.
-Loss of wireless internet connectivity is consistent through all devices.
-Time machine is unavailable when the internet is not accessible.
-During disconnects sometimes the router doesn't even appear, sometimes I can connect but can't reach my time machine or the internet, sometimes it won't accept my password and sometimes it times-out.
Sounds like the wireless transmitter is going out on the AEBS or something, right? Well, Apple was kind enough to replace my AEBS under warranty to try to solve this problem, but it hasn't gone away.
Could this be an issue with my ISP not distributing IP address properly or something? I'm not really very savvy with the way all that works.
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Its gotta be the surrounding interference issue. I found a macworld article that refers to testing the different channels in the 2.4gHz range and finding some completely unusable (as you mention). If I didn't have a couple iPhones that can't run 5gHz, I'd certainly bump up to that because apparently that's where the performance is!
Here's a link to the article, although it's mostly a review, though information within is pertinent to our issue.
http://www.macworld.com/article/59923/2007/09/airportextreme.html

I had to replace my cable modem and now my Time Capsule only talks to just the one Mac Air. My other wifi devices (another Mac Air, iPad, and iPhone) can't get on the wifi. Any suggestions?

I recently replaced my cable modem and now my Time Capsule only works with the one Mac Air and not my other devices (another Mac Air, iPad, and iPhone). Any suggestions?

It sounds like you have gone from a cable router with the TC bridged to a cable modem with no router.. so the first device to connect pick up the IP address. Did the cable company give you the same model?? Check if it is a pure modem or a modem router.. and what the last one was.
Anyway.. you should redo the setup.. do you have any computer with ethernet?? Did you buy a USB to ethernet adapter for one of your airs.. very hard to do setup without ethernet.
Also download the new utility.. with the old style.
http://support.apple.com/kb/DL1482
If you happen to be on Lion.
Redo the setup and make sure you setup correctly to router mode if the cable modem has no router or bridge mode if it is a router.

Sending specific Vlan across wireless bridge

Hello All,
I would like to know how I can send a specific VLAN across a wireless bridge. Currently, we have a building across the street from our main office that's connected via a wireless bridge (no physical cabling). One of the switches in building 1 has a port in VLAN 206 (10.20.6.0/24) which connects to the wireless bridge (10.20.6.3) on that building. The wireless bridge in building 2 is 10.20.6.4 and connects to a router on the same subnet. So both bridges, the switch in building 1, and the router in building 2 are all on the same subnet. I need to send VLAN 60 across this wireless bridge so that the workstations in building 2 can go out to the Internet. As a side note, VLAN 60 is unrouted and is it's own subnet which has it's own firewall and web filter. My thought on this is that if I can get the wireless bridges to send VLAN 60 to building 2, then all I would need to do is add the workstations to that VLAN on the switch in that building and all should be well. I'm just not sure what I need to configure on the bridges and how building 2 should be configured seeing that the 2nd bridge connects to a router instead of a switch. Any tips, suggestions, and help would be great!
Thanks,
Terence

assume that i have two bridges Br-root , and Br-nonroot and i want to send traffic from multiple vlans across the wireless link, all you need to have is infrastructure-ssid on the native vlan. Then define the required subinterfaces on both radio and ethernet of root and non-root.
Example: ( vlan 1 , 2 , and three )
Root(config)#dot11 ssid test
                 #authentication open
                 #vlan 1
                 #infrastructure-ssid
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Root(config)#interface dot11radio 0
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                 #no shut
                #exit
Root(config)#interface dot11rdio0.1
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                #bridge-group 1
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Root(config)#interface dot11rdio0.2
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                #bridge-group 2
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Root(config)#interface dot11rdio0.3
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                #bridge-group 3
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Root(config)#interface fa0.1
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Root(config)#interface fa0.2
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Root(config)#interface fa0.3
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for the non-root , same config but the station-role should be non-root
Enjoy

HT4259 Wanting to extend WiFi from Cable Modem WiFi using Time Capsule

Hello,
I'm trying to extend my existing WiFi in my house that is hosted by my Cable Modem by placing my Time Capsule in my garage (so not connecting time capsule to cable modem using ethernet). I get a WiFi signal from my cable modem in my garage, so can I somehow add my Time Capsule to the existing network to extend it out there? Or does this configuration require I connect it using ethernet?
Thanks,
Jeff

Apple designed the Time Capsule and their other routers to only wirelessly extend the signal from another Apple router....an AirPort Express, AirPort Extreme or another Time Capsule......so the chances that the Time Capsule could extend the wireless network from your cable modem/router are just slightly above zero.
You should plan to connect the Time Capsule using a wired Ethernet connection.
If you cannot run the Ethernet cable.....then a pair of Ethernet powerline adapters might be able to send the signal over the existing AC power lines in your home and garage.

How to create 2nd Wifi Network from one cable modem

Hello, I am trying to create a 2nd wireless network from one cable modem. Currently I am using an Airport Express connected to the cable modem. I also have an unused Airport Express that I would like to use for the 2nd network. The Motorola modem has only one network cable port in the back. I am currently using Time Warner as my service provider. Can someone tell me if a network switch would suffice or would I need a new router, and how would I set them up? Thanks.

Unfortunately you will not be able to create two separate Wi-Fi networks with the current models of the AIrPort Express that you have. You would need at least one 2nd generation Express and one 1st generation Express to do so.
The 2nd generation Express would be connected directly, using Ethernet, to the Internet modem, and the 1st generation Express would be connected, via Ethernet to the 2nd gen. In this configuration each Express could be configured to provide a separate Wi-Fi network with each using a different security type.

Using a configured AX with a different cable modem

This is probably a dumb question but here goes:
I will be traveling shortly and will be staying in a home with High Speed Internet via cable. However, there is no wireless network as the cable modem is connected to the owners computer using an ethernet cable.
If I take my AX with me and connect it to the modem in the house via an ethernet cable, will I be able to use my current wireless network settings without having to establish a new network?
It seems to me that I should be able to do this but I am not really certain.
Thanks for your help

If I take my AX with me and connect it to the modem in the house via an ethernet cable, will I be able to use my current wireless network settings without having to establish a new network?
If you connect to a cable modem now, you should not need to change any settings on the AX. But, you will need to completely reset the cable modem at the home before you connect the AX to it.
Push the reset button on the cable modem (if available)
Power it off immediately and power down the AX
Pull the battery (if easily accessible)
Wait at least 15-20 minutes
Connect the AX to the modem with an ethernet cable
Power up the modem by itself and let it run a few moments
Then power up the AX the same way
Then power up computers and devices the same way.
You'll have to completely reset the modem again when you disconnect the AX in order for the modem to recognize the owner's computer.
In other words, whenever the device that is connected to a cable modem changes, you have to completely reset the modem first, or it will not associate with the new device.

Bridge an AirPort Express from an Extreme connected to a Motorola DOCSIS 3 cable/modem/gateway via an ethernet cable? Can I connect ethernet to the Express to setup/handshake/coordinate, and then unplug the ethernet cable from the Express?

In other words, does the AirPort Extreme NEED to be the device connected to the coaxial cable, or can I connect that cable to the Motorola SBG6580 DOCSIS 3.0 cable modem/wireless gateway? (My Internet provider requires DOCSIS 3.0 for speeds above 12 megabits/sec.)
Will the Airport Extreme "program" the Express via an ethernet cable, and than the cable can be removed?
The "bridge" or "repeater needs to be quite a distance away from the physically connected cable modem/wireless gateway and the ethernet- connected AirPort Extreme, and we have wall-to-wall carpeting, and the walls and ceilings are off-limits (family politics), so a looooong ethernet cable is out of the question.
Any help is GREATLY appreciated!
Thanx!
P.S. The 802.11 in my house (ground floor, about fifty feet away from the modem; in the living room about 35ft away *****! And Motorola touts this wireless gateway as having amazing coverage (360, I think they call it),but in fairness, this house is old and has a 5 hanset cordless landline and a microwave and a fan, etc., etc., etc......

See if find a solution in one of these discussions:
Best bets to extend/boost signals from Airport and AP Extreme
How to extend and Extreme network using Express

Wireless bridge be setup - cable modem (downstairs) to a EA4200v1 to a EA6500 (upstairs)?

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