Joony
join:2001-12-08
Skokie, IL
| Dorms not allowing routers question Supposedly if I connect a router to their network, they can detect it and shut me off.
Well, I've been running ICS off my laptop for quite sometime and I haven't been shut down yet.
So here's the question, are the routing methods in ICS different from a consumer level router? or are they just BSing me because they think i'll hook the router up backwards  | |
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insomniac84
join:2002-01-03
Schererville, IN
| Re: Dorms not allowing routers question said by alg  :I have heard that the reason why routers aren't allowed is because in their default state they can cause an extreme amount of traffic and come close to crashing the network. However disabling certain settings that are needed for home networks can eliminate that problem, but obviously most people wouldn't do that. I don't know what that setting is though unfortunately. Please explain? Because to me what you said makes no sense whatsoever. If anything routers cause less traffic. Back in Fall of 2003 when those virii spread across the internet, college campuses were hit hard. All because they didn't have anyone turning on a firewall or using routers. If you have a routable IP address, not letting you use a router is reckless. | |
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Nate425
Premium
join:2005-02-03
Charlottesville, VA
clubs:
| They just don't want you running DHCP off of the router...that's what they can detect because it'll screw with their network pretty severely. All you need to do is disable DHCP on your router, then have a network cable running from the port in your dorm room to the LAN side of the router, leaving the WAN port empty. | |
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Nate425
Premium
join:2005-02-03
Charlottesville, VA
clubs:
| Re: Dorms not allowing routers question said by uid1307457 : to use a router in a dorm for multiple pcs you would need DHCP. just turn off the WAN access and DMZ zones...make sure to buy a cheap router too. Not exactly. If the router is giving out 192.168.x.x addresses and the network uses 172.x.x.x addresses, you'll mess up the network with dhcp enabled because now you have 2 dhcp servers on the network both giving out completely different addresses to whatever client asks for one. If you turn off dhcp on the router, you effectively make the router a switch, and it will get the ip addresses from the school network and all will be right in the world. | |
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Nate425
Premium
join:2005-02-03
Charlottesville, VA
clubs:
| Re: Dorms not allowing routers question There's more than one way to skin a cat, chief. Each does the job just fine, now quit getting all pissy on me. I'm talking about the general masses that don't know anything about routers, you're talking about the people that can actually do stuff. Problem solved. | |
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join:2000-11-28
Los Gatos, CA
| said by Nate425 :Not exactly. If the router is giving out 192.168.x.x addresses and the network uses 172.x.x.x addresses, you'll mess up the network with dhcp enabled because now you have 2 dhcp servers on the network both giving out completely different addresses to whatever client asks for one. No... your "LAN" behind the router is a seperate network segment. Those computers don't 'see' the higher-level DHCP server.
...unless, of course, you're plugging the WAN and LAN ports into your campus network, which is stupid... | |
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r81984
Fair and Balanced
Premium
join:2001-11-14
St John'S, NL | Re: Dorms not allowing routers question Also when using a router remember to route the ports throught the router. Game consels and p2p will need ports routed, but you do not need to route any ports for just browsing the web. | |
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plattypus1
join:2005-04-08
Riverside, CA
 ·Charter Pipeline
| DO NOT PLUG IN A ROUTER WITHOUT DISABLING DHCP!
It WILL respond to DHCPDISCOVERs from the WAN port. It WILL fsck up the dorm network, and you WILL get caught.\
Plug your WAN into the wall, plug your computers into LAN, and disable DHCP first thing. In fact, do it before plugging your router into the wall. | |
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| angryjohn
join:2004-11-05
Chicago, IL | Re: Dorms not allowing routers question What you're suggesting makes no sense. | |
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insomniac84
join:2002-01-03
Schererville, IN
| The only time a router causes problems is when people plug the schools internet connection to one of the switch ports on the private lan side of the router instead of in the WAN port like they should. When I was in the dorms some idiot did that and my friends computer kept getting it's dhcp from that private router instead of the school and couldn't get on the internet as a result. Luckily it had the default password on it so we were able to turn the dhcp off. | |
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sms_grunt
join:2006-04-26
Pasadena, TX
| you can use DHCP fine. The routers DHCP will only attempt to assign addresses to the ports on the LAN side. IF you plug the schools network into the lan side it will attempt to answer DHCP requests and probably piss off your admin.
WHY do you want to use a router anyway? Just use a switch and you will be fine. | |
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sms_grunt
join:2006-04-26
Pasadena, TX | you CAN use a switch. a Switch is a Layer 2 device and only needs one IP address. The only "gotcha" with a switch would be the "mac address" IF the school requires it to be registered.
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grunt
Linux System Admin | |
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fegul
Premium
join:2004-08-23
united state
| I know this topic is old, but I want to clarify this.
So long as I have the router assign IP addresses within the given pool that the buildings DHCP server assigns, I will be good?
What if the router assigns an IP address that has already been taken by another machine connected to the main DHCP server? wouldnt that screw things up too?
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|My Blog|Fegul.com| | |
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| edelite
join:2004-05-24
US
| Re: Dorms not allowing routers question Basically, (to put this into simple terms) your router will look like a computer to the building's router/hub/switch. It will assign the router a IP address through its DHCP server. Now your router will have its own little network where your computers will connect to it. Your routers should come with its own little DHCP server that allows you to assign IP's for your own little network.
Sooooo... whenever your computers want to access the internet, it will route internet traffic through the single IP address assigned by the building's router/hub to reach the internet. Get it?
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Ed -
»www.elitehosts.com | |
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fegul
Premium
join:2004-08-23
united state | Re: Dorms not allowing routers question Right, that's NAT, but why will it mess with a campus network so badly? | |
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| | | edelite
join:2004-05-24
US | Re: Dorms not allowing routers question If you plug in the ports right on your router, you shouldn't mess up the campus network at all!
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Ed -
»www.elitehosts.com | |
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fegul
Premium
join:2004-08-23
united state
| Re: Dorms not allowing routers question I talked to the Resnet support people and they said it would. It was also mentioned earlier in this thread that it would mess with a campus network
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|My Blog|Fegul.com| | |
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| | | | | edelite
join:2004-05-24
US
| Re: Dorms not allowing routers question ResNet probably doesn't want you to install routers/switches/hubs cause that means introducing more computers (i.e. more bandwidth... which translates into cost for them ). If you are installing a router/hub (which is a common thing), you should not have a problem.
The earlier statement about it not working on a campus network is without merit (as you can see -- no one backed up his claim). Happy surfing!
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Ed -
»www.elitehosts.com | |
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fegul
Premium
join:2004-08-23
united state
| Re: Dorms not allowing routers question They said they didnt really care about how many devices were on the network (they even offered to setup QoS for me for free in the event I got a VoIP device)
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Bill
Light Up The Halo
Premium,VIP
join:2001-12-09
clubs:
2 edits | If someone is a dumbass and leaves the DHCP server on, and plugs the network cable into a LAN port, instead of WAN, it will cause havoc. The router would start giving out IPs to other machines. Definitely not good.
As long as you plug the cable from the wall into the WAN port and clone the WAN MAC address, if your resnet auths based on MAC, you should be fine. The only issue that will arise is the router's NAT/firewall killing any filesharing abilities with outside networks.
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fegul
Premium
join:2004-08-23
united state | Re: Dorms not allowing routers question Thats all I needed to know, and thats exactly what I figured. Thanks! | |
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twizlar
I dont think so.
Premium
join:2003-12-24
Brantford, ON | Some of you need to stop giving advice when you know nothing. | |
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raid85
join:2002-02-28
| If you plug the ethernet from your dorm into the Wan/Internet port on your router, then your network devices into the 1-4 switch ports, you will be fine. A DHCP server is fine because it will only assign IP address within the LAN, the devices within the 1-4 port switch. The router does not do a backwards DHCP, no DHCP assighnments come out of your routers wan/Internet Port.
If you were to plug the ethernet cable that is supposed to go into the Wan port into a switch port, then it will start assigning 192.168.x.x IP address to other nodes.
A router is fine, But an Admin can see that you are using a Linksys router, This is due to the name of the node being Linksys. | |
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