[GRLUG] Finding the bandwidth hog

[Michael Mol]

Indeed, Charter offers 100Mb/s down. They also now offer native IPv6.
It's 6rd, which is similar to 6to4[1], but theoretically more
reliable.[2]

[1] Which means your IPv6 address range is derived from your IPv4
address. No big deal if you have a static IPv4 address; everything's
static. If you don't have a static IPv4 address, then your IPv6
addresses will change every time your IPv4 addresses change. (Which
shouldn't any bigger a problem than it is on IPv4)

[2] With both 6to4 and 6rd, your IPv6 connectivity comes by way of a
relay server. With 6to4, you don't know who's responsible for the
maintenance of the relay server, because it uses an IPv4 anycast
address. With 6rd, the relay server maintenance is your ISP's
responsibility. Period.

On Wed, Feb 8, 2012 at 8:27 AM, Clay Ashby <kingpoiuy at gmail.com> wrote:
> +1 HP Procurve. They are nice devices considering their price. Log into one
> and goof around with it if you get a chance.
>
> Upgrading your internet is good advice. You can get some good non-T1 service
> (cable, etc) which is still business class from any provider. Granted your
> upload won't be much faster than what your T1 is now, but your download
> (pandora) will be huge in comparison. If i remember right Charter is now
> offering 100meg, but of course simply mentioning the name of any ISP is
> bound to start a debate, so I add a disclaimer. I am not endorsing anyone!
> :P
>
>
> On Tue, Feb 7, 2012 at 5:28 PM, Adam Tauno Williams <awilliam at whitemice.org>
> wrote:
>>
>> On Tue, 2012-02-07 at 15:43 -0500, Benjamin Flanders wrote:
>> > On Tue, Feb 7, 2012 at 2:51 PM, Michael Mol <mikemol at gmail.com> wrote:
>> > > On Tue, Feb 7, 2012 at 2:08 PM, Benjamin Flanders <flanderb at gmail.com>
>> > > wrote:
>> > >> I've been tasked to find out what running on our network that is
>> > >> taking a good chunk of our internet bandwidth.  Quite simply I don't
>> > >> know where to start.  I've got all the people that stream music to
>> > >> stop, and we are still seeing a lot of traffic.  Will wireshark help
>> > >> out?  What other programs are out there?  I do have a cisco pix
>> > >> firewall that perhaps I could use, if I knew how.
>> > >
>> > > What kind of router are you currently using? If it's a Linux box, I'd
>> > > suggest trying 'iftop'. Unless your version of iftop has the IPv6
>> > > patches, though, it'll only show you IPv4 flows.
>> > >
>> >
>> > We have a couple HP Procurves.  I don't believe that they are managed,
>> > at least I have never gone in there and managed anything.  Do I sound
>> > like a newbie?  I'm not a young pup, I just don't know anything.
>>
>> We have HP Procurve switches;  AFAIK all Procurve's are managed.
>>
>> --
>> System & Network Administrator [ LPI & NCLA ]
>> <http://www.whitemiceconsulting.com>
>> OpenGroupware Developer <http://www.opengroupware.us>
>> Adam Tauno Williams
>>
>>
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>
>
>
> --
> -Clay
> http://gnomecc.com
> "technologically promiscuous"
>
>
>
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