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Author Topic: Combined VDSL2 Modem Routers  (Read 216561 times)

broadstairs

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Re: Combined VDSL2 Modem Routers
« Reply #150 on: March 10, 2018, 12:13:42 PM »

A full router/modem single box Netgear D6220 which has gigabit LAN and is Broadcom so runs DSLStats.

Stuart
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ISP:TalkTalk Connection:FTTC Cab:ECI Router:Netgear D6220

Silverback

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Re: Combined VDSL2 Modem Routers
« Reply #151 on: February 08, 2020, 04:26:27 PM »

Worth adding the Draytek 2862? (I have ac version)

Circa - £260
Has BT approved firmware version
G.INP and Vectoring
Dual Band WiFi
DSL and Ethernet WAN ports.
4xGbps Ethernet ports (5 if not using Ethernet WAN)
Chipset - Intel-Lantiq - PXB4369EL - V2.1

Plenty of features.

https://www.draytek.co.uk/products/business/vigor-2862#specifications

Although at the moment I have a question over the BT Firmware with non-vectoring, G.INP Huawei Cabinets. This may be corrected by swapping to non-BT non-vectoring firmware and modem code but I cannot confirm this yet...

The other issue with this as a combined modem / router is it seems to like to be rebooted a lot when config changed are made.  So when making config changes you may end up rebooting the router multiple times and of course the VDSL2 link is resets each time.  This can upset the DLM...

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g3uiss

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Re: Combined VDSL2 Modem Routers
« Reply #152 on: February 08, 2020, 04:31:05 PM »

I think you will find although the device asks for a reboot, if you donít the configuration is applied. Common issue with Draytecs.
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Zen FTTC and Plusnet ADSL HG612 modems with Vigor 2925

Silverback

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Re: Combined VDSL2 Modem Routers
« Reply #153 on: February 09, 2020, 12:26:38 PM »

I think you will find although the device asks for a reboot, if you donít the configuration is applied. Common issue with Draytecs.

I have done just that at times but I'm not sure how consistent the results are.  On a number of occasions the router seemed happy to take a config change without a reboot but I'm fairly sure I had some VLAN stuff go wafferty when ignoring the reboot prompt and only a later reboot sorted it.

Ignoring reboot prompts never makes me feel warm inside :(
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burakkucat

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Re: Combined VDSL2 Modem Routers
« Reply #154 on: February 09, 2020, 04:35:07 PM »

I have always advised, when configuration changes are to be made to a modem (or modem/router), to always disconnect the device from the incoming line. Hence any re-boots of the device are not seen by the DSLAM.
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Silverback

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Re: Combined VDSL2 Modem Routers
« Reply #155 on: February 09, 2020, 05:02:15 PM »

I have always advised, when configuration changes are to be made to a modem (or modem/router), to always disconnect the device from the incoming line. Hence any re-boots of the device are not seen by the DSLAM.

Would that not still cause a retrain?  I was under the impression it's retrains the DLM counts, forced or unforced...?
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burakkucat

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Re: Combined VDSL2 Modem Routers
« Reply #156 on: February 09, 2020, 05:35:04 PM »

Ideally, the pedantic protocol to follow would be --
  • From the modem/router's administration interface (CLI or GUI), "down" the xDSL service.
  • Disconnect the modem/router from the incoming line.
  • Adjust the modem/router's configuration.
  • Power down the modem/router.
  • Reconnect it to the incoming line.
  • Once 30 minutes have passed since performing step one, power up the modem/router and allow it to re-train.
The 30 minute wait is recommended due to the fact that the DLM considers those parameters, which it monitors, in 15 minute blocks. It is not known where any 15 minute block would begin and end. Thus by allowing 30 minutes to elapse, there is one complete 15 minute block in which the DLM will see no data and, hopefully, will take that as an indication of a planned outage and not circuit instability.
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Silverback

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Re: Combined VDSL2 Modem Routers
« Reply #157 on: February 09, 2020, 07:12:18 PM »

I'm to old and impatient to wait 30 mins to get back online :-)
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