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 <http://www.ipexpert.com/> > > -- -- Taqdir Singh /Networks / 09911709496 Do today what others won't, so you can live tomorrow as others can't
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