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--- linux_router:background [2024-01-28 Sun wk04 12:08] – [Linux Router Background] baumkp
+++ linux_router:background [2024-02-24 Sat wk08 13:18] (current) – [Linux Router Background] baumkp
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-{{tag>linux router}}
+{{tag>linux router 4G LTE mobile}}
 =====Linux Router Background=====
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 A number of on-line references were used to assist with planning and configuring this router. These can be found in the References (Related Links) section and were particularly relevant are also repeated in the section text. No individual on-line reference was exclusively used.  Sadly some of the online references are no longer available (2022).
-In early 2024 I requested an upgrade to get fibre in to my house for primary internet access (FTTP).  Unfortunately my ISP (Internet Service Provider) messed up the process and had my existing copper connection (FTTN) disconnected over 3 weeks before the fibre installation was schedule to be installed.  So after a few days hot spotting of mobile phones, where my son had already run out of data, I purchased a 4G modem and set up 4G access with a local supplier.  This is so much slower and unreliable compared to the hardwired connection.  Also I lost my static IP that stopped external Internet access to my various servers, email, wiki, & cloud.  AS I currently work from home, for 3 - 4 week I can not be bother setting an alternative.  All the services still work on my LAN except the email server.  (The email server does actually operate on my LAN but it pretty pointless without access to external internet!)  I was luck that my server SSL certificates should be valid through this period.  Interestingly these mobile services seem to so far as writing work reasonably for working from home.
+In early 2024 I requested an upgrade to get fibre in to my house for primary internet access (FTTP). Once the fibre and modem were connected things worked prety quickly, save at this time I found my Router modem BMC was not working properly and need a new battery.  Also my old back DSL modem Router that had WAN eithernet input was limiting performance, 100M ethernet connection with 100M fibre..... Unfortunately my ISP (Internet Service Provider) messed up the process and had my existing copper connection (FTTN) disconnected over 3 weeks before the fibre installation was installed. Save for router hardware problems, the fibre install worked immediately. My static IPv4 address took another 4 weeks to get working correctly, basically because of the ISP. So after a few days hot spotting of mobile phones, where my son had already run out of data, I purchased a 4G modem and set up 4G access with a local supplier.  This is so much slower and unreliable compared to the hardwired connection.  Also I lost my static IP that stopped external Internet access to my various servers, email, wiki, & cloud.  For 3 - 4 weeks I could not be bother setting up an alternative.  All the services still work on my LAN except the email server.  (The email server does actually operate on my LAN but it pretty pointless without access to external internet!)  I was lucky that my server SSL certificates should be valid through this period.  Interestingly the mobile services seem to work reasonably well for working from home, basically office/company VPN access. MSSharepoint and MSTeams. I hate MS Sharepoint but that is a whole other discussion / diatribe.
+Some Internet speed data from early 2024
+|<40em >|
+^ tech ^ down [Mbps] ^ up [Mbps] ^ latency [ms] ^
+| 4g modem router | 17 - 24 | 2 - 4 | 25 - 40 |
+| fibre 100/20, 100Mbps ethernet router | 95 - 97 | 16 - 17 | 3 - 4|
+| fibre 100/20, 1000Mbps ethernet router | 98 - 104 | 16 - 18 | 3 - 4|
+| fibre 250/25, 1000Mbps ethernet router | 248 - 270 | 21 - 24 | 3 - 4|
+Notes:
+  -The 100Mbps ethernet router was a TP-Link VDSL modem router with 4 100Mbps ethernet ports and 2 VoIP port. One ethernet port was set up as WAN connection.
+  -The 1000Mbps ethernet router was a N3700 router with 4 1000Mbps ethernet ports running Linux Debian.
+  -The speed tester was run in automatic mode, it seemed to find the local test point
+  -The speed tester was run on a VM not on the router, this may slightly increase latency time
+  -Latency = ping time on the speed tester
+  -The speed tester also had a measurement for jitter
+  -Clearly the router with 100Mbps ethernet was limiting the 100Mbps WAN connection.  The same would be expected on 1000Mbps ethernet with 1000Mbps WAN, although local WAN supplier indicated that 1000Mbps WAN is normally only 650Mbps during congested periods.
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