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Re: VMNG300 92Mbit limit
nice on dude, you should email that to everyone at VM, especially the customer service plebs who tell you you need a shub in order to receive a speed upgrade.
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Re: VMNG300 92Mbit limit
Its capable but 30meg on each downstream channel is a big ask 24/7
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Re: VMNG300 92Mbit limit
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100mbit was sold on 4 channels for quite a while. |
Re: VMNG300 92Mbit limit
The network was not as busy then, now with all tiers moving to docsis3 I imagine the superhub would hit 120 more often than the vmng300 will during peak times
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Re: VMNG300 92Mbit limit
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Re: VMNG300 92Mbit limit
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Re: VMNG300 92Mbit limit
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Plus, Virgin has plenty of other reasons for ditching the Ambit 300 - it's out of support for one and they're currently paying through the nose for firmware updates, plus it's easier on the CS agents if they have to support less modems. Ultimately, they want everyone on a Superhub if possible. |
Re: VMNG300 92Mbit limit
I understand the reasons behind the shub and why they would want everyone to have one, it makes good business sense. But, if they want to put all their eggs in one baskey so to speak then they should have made sure what they were giving out to customers was up to standard. I am not going to say anymore because I'll start the usual banter we go through everytime :)
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Re: VMNG300 92Mbit limit
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The last thing you want is channel imbalance because that can introduce latency when reassembling the packets distributed and interleaved on the bonded channels. Finally, VM have the unenvious task of ensuring that SNR is maintained high overall the bonded channels so that there is no tendency on one channel for irrecoverable FEC errors to occur. There's much that can go wrong with 8 bonded channels, IMO and thus infrastructure standard has to be high. |
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Indeed, this is probably why Virgin tends to insist on Engineer visits for a lot of installs that could be simple modem swaps, particularly when a customer is going from DOCSIS1/2 to DOCSIS3. While it sounds daft, being that swapping a Modem is easy, as you've stated there's a lot more that can go wrong with it. You seem to see this a lot with virgin, they make questionable decisions with a hint that there's a valid reason behind it that gets lost in the ether. |
Re: VMNG300 92Mbit limit
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Re: VMNG300 92Mbit limit
Not sure that's entirely true. Some D1 services live on the D3 frequency plan and they, as you say, buggerate the load balancing. But a huge chunk are still on legacy frequencies not yet gathered into the D3 range. But it matters not a jot as to whether it's VMNG300 or Ambit 256 - we are agreed that they buggerate load balancing.
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Re: VMNG300 92Mbit limit
They do, but VMNG300 being DOCSIS 3 compliant can be load balanced across all channels, just not all at the same time. Say you got 10 VMNG300's across an 8 channel set, 5 could use channels 1-4 and the other 5 would be on channels 5-8. The VMNG300 has a 16-channel wide tuner and can use just about any 4 channels out of 16. Not all need to be on the same subset of channels. DOCSIS 2 modems would all have to be on channel 1.
Well it's not quite that simple but you get the idea. Still nowhere near as bad as a bunch of legacy modems. |
Re: VMNG300 92Mbit limit
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Back on topic my area has recently been upgraded to double speeds. Before the area upgrade my speeds would hit 12000KB/s but now I barely sustain 9000KB/s. Come on VM stop starving our VMNG300 modems :p: |
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