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[altq 465] Re: CBQ Question!
Takashi Ikebe wrote:
> Sorry for inconvenience mail,
> I want to know, how current Queuing move.
> In the case if there are communications which want to come this side
> (50Mb/s) (50Mb/s) (50Mb/s)
> LinkA CBQ1 LinkB CBQ2 LinkC
> --------> <--------?????
> ?????communication1 communication2
> Communication1 comes from LinkA,communication2 comes form LinkC.
> And communication1&2 request bandwidth, so on the router, both
> communications are assigned to adequate Queue(gurantee XMb/s).
> Now, CBQ1(R1 to R2) configured as total bandwidth 50Mb/s, and guarantee
> 15Mb/s TCP & 15Mb/s UDP, and CBQ2(R2 to R1) is also set to guarantee 15Mb/s
> TCP & 15Mb/s UDP.
> Is this possible to guarantee bandwidth?? total bandwidth is 50Mb/s, but
> guaranteed bandwidth is amount to 60Mb/s!(in half-duplex link)
> In this case, how Queueing move??
You cannot guarantee the assigned rate because LinkB is
Capacity provisioning is in the different layer from packet scheduling
(queueing). When they are misconfigured, it is generally
not predictable how they interact with each other.