hold queue out is size of FIFO software queue ,, Typically used when u disable default fair -queue (i.e enable FIFO) and then play with size of software queue ..
Gaurav Madan CCIE # 23863 On Sun, Aug 22, 2010 at 11:51 AM, Taqdir Singh <[email protected]> wrote: > 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 > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
