*Thanks Jason and Gaurav* ** *but one small doubt* ** *how you differentiate between no. set by tx-ring-limit and hold queue out ? * ** *tx-ring-limit i understand to set the hw queue size* ** *but what is basically hold queue ? is it software fifo queue or hardware ?
* On Sun, Aug 22, 2010 at 10:33 AM, Jason Maynard <[email protected]>wrote: > There is more in the queue and therefore it takes longer for frames to > pass the queue before being put on the wire. If you had a voice packet that > needed to be sent ASAP it would wait longer in the larger queue than a in a > smaller queue. > > > > > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Taqdir Singh > *Sent:* August-22-10 12:19 AM > *To:* GAURAV MADAN > *Cc:* [email protected] > *Subject:* Re: [OSL | CCIE_RS] tx-ring-limit > > > > *HI gaurav,* > > > > *Please clarify this* > > > > *if size of queue is large why packets have to wait for longer time, could > you please give any example ?* > > > > On Sat, Aug 21, 2010 at 1:03 PM, GAURAV MADAN <[email protected]> > wrote: > > "Tx-ring-limit" is to set the size of hardware queue . > You might be knowing that hardware queue is always FIFO .. > > So higher the queue size of h/w queue more time packets have to wait > in this hardware queue before it is put on wire . > > take a serial i/f .. issue show controller serial <> and analyse the > results ,, > > There are 2 values like 1(2) .. > The no. in bracket indicates the queu size of this h/w queue . > and first no. indicates if this interface has any kind of queuing > mechanism enabled or not . > > > Thnx > Gaurav Madan > CCIE # 23863 > > > On Sat, Aug 21, 2010 at 10:30 AM, Taqdir Singh <[email protected]> > wrote: > > > Hi Team, > > > > What does this below ring limit specifies.. i Know its hardware fifo > queue.. > > what if I set it to 1 what does it mean ? > > Is there any best practice or any guidelines which should be kept in mind > > while tweaking tx-ring values ? > > > > Router(config-if)#tx-ring-limit ? > > <1-32767> Number (ring limit) > > Router(config-if)#tx-ring-limit > > -- > > -- > > Taqdir Singh > > /Networks / 09911709496 > > > > Do today what others won't, so you can live tomorrow as others can't > > > > > _______________________________________________ > > For more information regarding industry leading CCIE Lab training, please > > visit www.ipexpert.com > > > > > > > > > -- > > -- > > Taqdir Singh > > /Networks / 09911709496 > > > > Do today what others won't, so you can live tomorrow as others can't > > > -- -- Taqdir Singh /Networks / 09911709496 Do today what others won't, so you can live tomorrow as others can't
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