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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

LNS Switches: Difference between revisions

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We operate multiple LNSs connected to multiple links in to carriers. This is partly for redundancy (if one of the LNSs or links break) and partly for load (to handle multiple gigabits of traffic).
We operate multiple LNSs connected to multiple links in to carriers. This is partly for redundancy (if one of the LNSs or links break) and partly for load (to handle multiple gigabits of traffic).


We currently have 22 FireBrick FB6000 LNSs in use (A-V.Gormless), 3 FireBrick FB9000 LNS (X-Z.Witless). This has grown over time with four in 2012, seven in April 2016, nine in January 2017, twelve in November 2017, 14 in September 2018.
We currently have a mix FireBrick FB6000 and FireBrick FB9000 LNSs in use:
*23 FB6000: A-W.Gormless
*3 FB9000 LNS X-Z.Witless

This has grown over time with four in 2012, seven in April 2016, nine in January 2017, twelve in November 2017, 14 in September 2018.


The LNSs named 'Witless' handle faster FTTP and G.Fast circuits, whilst the 'Gormless' LNS handle the rest, including mobile data SIMs.
The LNSs named 'Witless' handle faster FTTP and G.Fast circuits, whilst the 'Gormless' LNS handle the rest, including mobile data SIMs.


The LNS named 'Doubtless' are test LNS.
The LNS named 'Doubtless' and 'B.Doubtless' are test LNSs.


Normally we run with n+1 live LNSs and so this leaves one as a backup in case of failure.
Normally we run with n+1 live LNSs and so this leaves one as a backup in case of failure.
Retrieved from "http://support.aa.net.uk/LNS_Switches"