Linked Cap+ Networking Question

[darnalljason]

have a 3 site LCP+ system running over a LAN over Ligowave ptp Links

Looking at adding a 4th site but microwave isn't an option to that site

Basic network topolgy

WAN is 10.0.0.1 - 10.0.0.50 currently

Lan site 1 192.168.0.1
Lan Site 2 192.168.1.2
Lan Site 3 192.168.2.2.


Looking at running Site 4 over 4g LTE since no other optional is available

I will need a LTE Router from verizon at Site 4 and Internet at Site 1 Master site

Right now there is no internet at site 1 or 4 .


Would i be better off with site 1 having DSL or CABLE or could i run a 2nd LTE router at the Master Site

The only issue im seeing is how to get Site 4 to see the Master withput being able to set a Static IP on the LTE modem at the Master Site.

Any help on networking solutions would be Great

 

[zap]

Would a narrow band IP radio be practical?

You'd need to VPN it all together from your two points of IS.


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[darnalljason]

Would a narrow band IP radio be practical?

You'd need to VPN it all together from your two points of IS.


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Narrowband radio wouldn't work it would be way to slow

Guess will need someone that can setup a VPN

 

[zap]

How many timeslots are you pushing over the link?


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[wardth]

Hope your not doing Cap+ voting system. If so, 4g LTE is too slow. The link between sites has to be like less than 40 milliseconds. We had to do PTP.

 

[darnalljason]

Hope your not doing Cap+ voting system. If so, 4g LTE is too slow. The link between sites has to be like less than 40 milliseconds. We had to do PTP.

Was looking to do Linked Capacity Plus across it. I would love to do PTP but cant get a link to work between the 2 sites. So i guess the verizon has enough bandwidth but latency is the issue ??

 

[zap]

You might actually be able to us narrowband IP. 4RF has the Aprisa FE which is specifically designed to backhaul DMR/P25 on either a 12.5 kHz, 25 kHz or 50 kHz channel. There is another manufacturer that claims they can push 5 slots over a 12.5 kHz channel but I'll have to relocate the article.


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[DJ0WH]

As long as the latency is below 300ms and the jitter is within 60ms of the mean latency then you should be okay using LTE.

VPN is the most elegant way of extending the WAN.


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[darnalljason]

VPN

As long as the latency is below 300ms and the jitter is within 60ms of the mean latency then you should be okay using LTE.

VPN is the most elegant way of extending the WAN.


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DO you have a suggestion on VPN hardware or software to do this across LTE

 

[phonebuff]

DO you have a suggestion on VPN hardware or software to do this across LTE

Sort of depends on the environment -- I like pfSense and you can buy the Router / Firewall in the store at a reasonable cost more or less ready to go.

https://store.pfsense.org/SG-2440/

I also think very highly of the DCB product line -- An the UDP support is second to none.

http://www.dcbnet.com/about.html

For the LTE component I have often used CradlePoint although their marketing/ support practices lately have started to leave a sour taste.

One thing though what ever you decide DO NOT use a MiFi style device as the NAT Transversal issues will be a show stopper.

==

 

[darnalljason]

Sort of depends on the environment -- I like pfSense and you can buy the Router / Firewall in the store at a reasonable cost more or less ready to go.

https://store.pfsense.org/SG-2440/

I also think very highly of the DCB product line -- An the UDP support is second to none.

http://www.dcbnet.com/about.html

For the LTE component I have often used CradlePoint although their marketing/ support practices lately have started to leave a sour taste.

One thing though what ever you decide DO NOT use a MiFi style device as the NAT Transversal issues will be a show stopper.

==

I was either looking at the Verizon Router or Verizon USB stick in a cradle point

I guess one other way would to be to get a static ip on the Verizon Connection at the master site and could possibly get away without a VPN

 

[PSEhub]

I would stay away from VPN unless you need it. The Motorola Master/peer connection already has authentication, and your voice traffic is encrypted (or not). VPN is unnecessary if you can get static IP and port forward. VPNs are only the most elegant for linking sites if you absolutely require added security, or there is another networking reason you need it. Otherwise you are just decreasing your link performance, if you are starting off with DSL, 4G, or another slower speed connection. Simple is sometimes better.

 

[darnalljason]

Yeah if I can get something installed at the main site with a static ip and then use the lte at the 2 remote sites that cant get anything but satellite internet ill be okay the other 3 sites have PTP links installed and working great. Now to find a Vendor to provide internet to the Master site. rural broadband sucks or should say the lack there of.

At&t wont hook up DSL anymore and they dont offer Uverse to that site. one Cable operator doesn't want to run the line across the field to the tower May have to do a PTP link back to my house unfortunately and jump on Time Warner if they will give me a static ip

I would stay away from VPN unless you need it. The Motorola Master/peer connection already has authentication, and your voice traffic is encrypted (or not). VPN is unnecessary if you can get static IP and port forward. VPNs are only the most elegant for linking sites if you absolutely require added security, or there is another networking reason you need it. Otherwise you are just decreasing your link performance, if you are starting off with DSL, 4G, or another slower speed connection. Simple is sometimes better.

 

[PSEhub]

Satellite internet will work fine if you use the C-Bridge solution by Rayfield. Contact them and they can tell you about some interesting applications where they've made it work. http://www.rayfield.net/c-bridge/

Just another option to consider, especially if you have adequate funding.

 

[PSEhub]

Cannot edit post, but to clarify, C-Bridge will not work for LCP as far as I know, I was just suggesting it as a last resort solution for IPSC over Satellite internet.

LTE can work very well depending on conditions even for LCP, assuming its not a critical application.

For the master site in terms of TWC (now spectrum)/Point to point link, depending on how critical your operation is, the IP may be sticky enough for you. I've never seen a residential one change from them as long as MAC on router stays the same and your service doesn't get disconnected for extremely extended periods. Even after numerous modem swaps (if you keep using bridge mode and same router/MAC behind it). I do not believe they offer static for residential unless you go business class, and even then its an add-on. Obviously pseudo-sticky-static IP is not ideal or suitable for critical application, but it seems you are in a pretty tight circumstance and are being forced to choose the least of the evils for linking. Food for thought.