Forum Thread

How Would YOU Layout This Network?

BlackAndChrome 234 73 December 27, 2015 at 08:05 AM
So I've been at a toss-up as far as how to design this network, I'm not a pro but I have taken a couple networking classes.

Building group "A" is our small business which consists of a couple PCs and ideally in the end 12-24 IP cameras. One of the PCs currently runs NVR software for the IP cameras and serves it to building B.

Building "B" is our home which again has a 3-4 IP cameras and the usual PC/mobile device network traffic. Our main office computer that has Quickbooks and other important business related information is here. We use 2 computers in the house to view the all of the IP cameras.

Building A and B are separated by 200 yards non line of sight, currently we have a very poor wireless bridge between the 2 buildings. I lucked onto a roll of pre-terminated 4 strand single mode fiber cable for next to nothing and picked up a Netgear Prosafe switch with 2 Gigabit ports and 24x 100Mb POE ports for building A. Building B will have a fiber media converter and a gigabit desktop switch. The fiber line will get buried sometime soon.

The plan has been to replace the NVR desktop in building A (HP workstation/server) with a wall rack to mount the switch, UPS, and a 2U server for NVR and file storage (building B office backup). But I started thinking about the best way to protect data in the event of any disaster natural or man made and started to think about the fire rated safe that we have in the basement of building B. Having an NAS in the safe would represent the best option for protection but it represents a few problems...

1. Power: Building A has a backup generator, in the even of power loss the generator supplies power in about 15 seconds. Building B has no backup power. Even if the server is in building A it will still lose access to the storage in the event of power loss. I suppose this could be solved with a UPS on the switch and NAS box but seems less than ideal.

2. Network traffic: Having an NAS in building B would mean pushing all the NVR server storage over the fiber link or all of the camera streams over the fiber link depending on the location of the server. Neither is probably a big deal given the bandwidth of the main link.

I think right now I am leaning toward having an NAS box in the safe and the Server in building B (same building). I think this has the highest odds of keeping camera feed from building A in the even of arson. Video loss during power outage (assumed weather related) shouldn't be a big deal since the cameras are mainly for checking in on work progress and catching criminal activity, neither of which should be a problem when it is raining sideways. All camera traffic will be over the main link but NAS backups and server video streams will stay local to the network in building B.

Looking for either validation or better suggestions. Our internet is .3Mb so cloud storage is out of the question.

Thanks,
-Nick

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#2
Quote from BlackAndChrome View Post :
So I've been at a toss-up as far as how to design this network, I'm not a pro but I have taken a couple networking classes.

Building group "A" is our small business which consists of a couple PCs and ideally in the end 12-24 IP cameras. One of the PCs currently runs NVR software for the IP cameras and serves it to building B.

Building "B" is our home which again has a 3-4 IP cameras and the usual PC/mobile device network traffic. Our main office computer that has Quickbooks and other important business related information is here. We use 2 computers in the house to view the all of the IP cameras.

Building A and B are separated by 200 yards non line of sight, currently we have a very poor wireless bridge between the 2 buildings. I lucked onto a roll of pre-terminated 4 strand single mode fiber cable for next to nothing and picked up a Netgear Prosafe switch with 2 Gigabit ports and 24x 100Mb POE ports for building A. Building B will have a fiber media converter and a gigabit desktop switch. The fiber line will get buried sometime soon.

The plan has been to replace the NVR desktop in building A (HP workstation/server) with a wall rack to mount the switch, UPS, and a 2U server for NVR and file storage (building B office backup). But I started thinking about the best way to protect data in the event of any disaster natural or man made and started to think about the fire rated safe that we have in the basement of building B. Having an NAS in the safe would represent the best option for protection but it represents a few problems...

1. Power: Building A has a backup generator, in the even of power loss the generator supplies power in about 15 seconds. Building B has no backup power. Even if the server is in building A it will still lose access to the storage in the event of power loss. I suppose this could be solved with a UPS on the switch and NAS box but seems less than ideal.

2. Network traffic: Having an NAS in building B would mean pushing all the NVR server storage over the fiber link or all of the camera streams over the fiber link depending on the location of the server. Neither is probably a big deal given the bandwidth of the main link.

I think right now I am leaning toward having an NAS box in the safe and the Server in building B (same building). I think this has the highest odds of keeping camera feed from building A in the even of arson. Video loss during power outage (assumed weather related) shouldn't be a big deal since the cameras are mainly for checking in on work progress and catching criminal activity, neither of which should be a problem when it is raining sideways. All camera traffic will be over the main link but NAS backups and server video streams will stay local to the network in building B.

Looking for either validation or better suggestions. Our internet is .3Mb so cloud storage is out of the question.

Thanks,
-Nick
My thoughts:
1. Power = I don't believe you have a better option than a UPS backup power source.
2. Network Traffic =Your fiber can easily handle the load.

I believe that over time you may have heat issues if the NAS is installed inside a safe, you may want to install a 2nd NAS in the other building and use software that will automatically update NAS 1 to NAS 2. Losing both NAS devices at the same time would, I think, be a remote possibility.

I would also recommend that when you pull the fiber through your underground conduit that you also add a pull string just in case at some point in the future you want to add something new. You may also want to consider pulling a phone line and maybe alarm cables with the fiber.

Just my 2? worth and good luck! Happy Holidays too.
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#3
Hopefully that Netgear has some VLANs. It'll make some things easier. Far as the safe, unless it's a walk-in, it's better to make tape or disk backups and store them in a media safe. Rotating on a regular schedule.
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#4
Quote from BlackAndChrome View Post :
I lucked onto a roll of pre-terminated 4 strand single mode fiber cable for next to nothing and picked up a Netgear Prosafe switch with 2 Gigabit ports and 24x 100Mb POE ports for building A. Building B will have a fiber media converter and a gigabit desktop switch. The fiber line will get buried sometime soon.
Generally multimode fiber is used / preferred for shorter distances. High quality single mode transceivers can cost more, but I think some of the less expensive options will work fine for you. Is this a direct burial cable or are you running conduit? I'd acquire your media converters first and test everything out before you bury/pull the fiber optic cable.

How well matched is the length of the pre-terminated cable to the distance between buildings?
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Last edited by jkee December 27, 2015 at 12:56 PM
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#5
Quote from jkee View Post :
Generally multimode fiber is used / preferred for shorter distances. High quality single mode transceivers can cost more, but I think some of the less expensive options will work fine for you. Is this a direct burial cable or are you running conduit? I'd acquire your media converters first and test everything out before you bury/pull the fiber optic cable.

How well matched is the length of the pre-terminated cable to the distance between buildings?
It is not direct burial but it is outdoor rated. It will be pulled in plastic conduit. The SFP port is rated to 10KM and the media converter is rated 15KM while I will be under .5KM. I paid $25 for 750ft of the 4 strand single mode fiber (1310nm Corning FREEDM) while the actual distance is closer to 600FT. The Switch, SFP port, and Media converter only cost. $180 more. I ping tested it but did not test bandwidth.


Quote from Ostracus View Post :
Hopefully that Netgear has some VLANs. It'll make some things easier. Far as the safe, unless it's a walk-in, it's better to make tape or disk backups and store them in a media safe. Rotating on a regular schedule.
It's approximately 3'x3'x6'. We currently have a 12W Goldenrod dehumidifier and the temp is negligibly higher than the rest of the basement. I figure with 3x Caviar Reds at 5W each and a 15W NAS box at full write the safe will still be under 80 degrees and I can ditch the goldenrod nod.

Quote from dale_101798 View Post :
My thoughts:
1. Power = I don't believe you have a better option than a UPS backup power source.
2. Network Traffic =Your fiber can easily handle the load.

I believe that over time you may have heat issues if the NAS is installed inside a safe, you may want to install a 2nd NAS in the other building and use software that will automatically update NAS 1 to NAS 2. Losing both NAS devices at the same time would, I think, be a remote possibility.

I would also recommend that when you pull the fiber through your underground conduit that you also add a pull string just in case at some point in the future you want to add something new. You may also want to consider pulling a phone line and maybe alarm cables with the fiber.

Just my 2? worth and good luck! Happy Holidays too.
The safe is pretty large and the basement is pretty cold. I'll have to think about the mirrored NAS boxes. Fiber will be pulled in innerduct with a phoneline (we needed a new phone line anyway, that probably the only reason I talked my dad into this)
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#6
Quote from BlackAndChrome View Post :
It is not direct burial but it is outdoor rated. It will be pulled in plastic conduit. The SFP port is rated to 10KM and the media converter is rated 15KM while I will be under .5KM. I paid $25 for 750ft of the 4 strand single mode fiber (1310nm Corning FREEDM) while the actual distance is closer to 600FT. The Switch, SFP port, and Media converter only cost. $180 more. I ping tested it but did not test bandwidth.
Are the media converters/transceivers 100 Mbps or 1000 Mbps? There are a lot of less expensive single mode ones that only support 10/100. You'll want to be careful with the excess cable. The conduit might cost you mare than everything else.

What size conduit are you planning on running?
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#7
is this a homework question?
i've seen something extremely similar.
NAS in safe, 1st thing I thought of was what the 1st guy posted. heating/cooling issue as well as actual DR, flood = basement is useless b/c it's flooded
If you're really thinking about DR, there are many options
can create full backups seed, then incremental to cloud for cheap or set a new site a few states away
as other's have stated, fiber connection should be solid
maybe have a backup connection as well, depending on business
maybe set vLAN's for data and IP cam since QB and other important files are used. Have the 2 PC's that are monitoring on that vLAN or maybe a trunked port?

just saw your .3mb/cloud out of question, would this be for running cloud storage, or for backups as well? run backups daily on offpeak hours, would this work?

Interesting thread, hope I remember to follow on this.
Let us know what you decide to do!
thanks! Smilie
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Last edited by aznboicn December 29, 2015 at 05:29 AM
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