Question

connecting one server to multiple networks

Asked by: jskfan

I would like to know how to connect one server to multiple networks.
example : to connect a server to 10 networks it needs 10 network adapters, so what if it doesn't have enough slots to hold 10 network adapters.

Is there any external device that can be used as adapter to plug 10 network adapters for one server?

thanks

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Asked On
2006-08-25 at 07:43:55ID21967487
Tags

multiple

,

networks

,

server

,

one

Topics

Miscellaneous Networking

,

Network Cards & Adapters

,

Networking Protocols

Participating Experts
5
Points
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Comments
10

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Answers

 

by: WallDPosted on 2006-08-25 at 07:56:38ID: 17390020

Why would you want to connect it to ten networks.

You would be better of linking it to router and setting up bootp if you are trying to sort out dhcp or something.

 

by: jskfanPosted on 2006-08-25 at 08:12:10ID: 17390161

what if I have an ISA server and want each network and DMZ to have its own configuration

 

by: ttwhttPosted on 2006-08-25 at 08:21:36ID: 17390250

if your using vlans on you network you could trunk all of these vlans through to the server, assigning a dedicated ip address to each vlan interface on the server. You could possibly do all of this with one NIC

 

by: SlyDogPosted on 2006-08-25 at 08:36:07ID: 17390372

You can also purchase network cards that have four ports per card. I'm not sure what the upper limit of network cards ISA will support though. I would check that first.

 

by: pseudocyberPosted on 2006-08-25 at 08:36:36ID: 17390376

What do you want to do?  Sounds like you have 10+ nets which you want to manage individual Internet access policies - so you can limit where people go by IP?

I haven't heard of a single server having 10 NICs to 10 different networks - no one does this.  It would be a pain in the a__ to manage - just a bad design.

 

by: knoxzooPosted on 2006-08-25 at 09:49:12ID: 17391002

You'd likely run into some serious problems getting enough usable IRQ's to do it too.

 

by: jskfanPosted on 2006-08-25 at 10:47:30ID: 17391447

<<<You can also purchase network cards that have four ports per card. I'm not sure what the upper limit of network cards ISA will support though. I would check that first.>>>

I don't know if this idea will work good.

 

by: jskfanPosted on 2006-08-25 at 11:03:00ID: 17391537

I can connect a server to a switch and in the DHCP I can create different scopes.
Would this work?

 

by: pseudocyberPosted on 2006-08-25 at 11:11:32ID: 17391589

Most everyone, and all of us, would route which ever network you want through a firewall and/or content filter.

 

by: pseudocyberPosted on 2006-08-25 at 11:13:28ID: 17391602

Ps.  We have about 10 different layer 3 user nets.  We have about the same server nets.  They ALL go through ONE content filter and a set of firewalls.  Permissions are group and policy based, not so much IP based, although they could be - but one user segment has the same permissions as any other.

20120131-EE-VQP-002

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