<DIV>Is that meaning policer will drop packages that out of the CIR?</DIV>
<DIV><!--StartFragment--><EM>In other words</EM><SPAN>, policers can uses the Mbs buffer,but cann't use the CBS buffer.</SPAN></DIV>
<DIV><SPAN>and that's the different that <SPAN>quenue can use the cbs buffer and mbs buffer.</SPAN></SPAN></DIV>
<DIV>
<DIV> </DIV>
<DIV>some configure looks like that:<BR></DIV>
<DIV> qos<BR>        sap-ingress 2 create                            </DIV>
<DIV>            description "Qos-in-from-user-2M"<BR>            queue 1 create<BR>            exit<BR>            queue 11 multipoint create<BR>            exit<BR>            policer 1 create<BR>                rate 2048 cir 2048<BR>                mbs 10 kilobytes<BR>            exit<BR>            policer 2 create<BR>                rate 128 cir 128<BR>                mbs 128 kilobytes<BR>                cbs 64 kilobytes<BR>            exit<BR>            fc "af" create<BR>                policer 1<BR>            exit<BR>            fc "be" create<BR>                policer 1<BR>            exit<BR>            fc "ef" create<BR>                policer 2<BR>            exit<BR>            fc "h1" create<BR>                policer 1<BR>            exit<BR>            fc "h2" create<BR>                policer 1<BR>            exit<BR>            fc "l1" create<BR>                policer 1<BR>            exit<BR>            fc "l2" create<BR>                policer 1<BR>            exit<BR>            fc "nc" create<BR>                policer 1<BR>            exit<BR>            ip-criteria<BR>                entry 10 create<BR>                    match protocol icmp<BR>                    exit<BR>                    action fc "ef"<BR>                exit<BR>            exit<BR>        exit</DIV>
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<DIV><B>发件人:</B> "Mark Ivens";<mark@clara.net>;</DIV>
<DIV><B>发送时间:</B> 2015年8月5日(星期三) 晚上10:47</DIV>
<DIV><B>收件人:</B> "alcatel-nsp"<alcatel-nsp@puck.nether.net>; <WBR></DIV>
<DIV></DIV>
<DIV><B>主题:</B> Re: [alcatel-nsp]回复： what's the difference between policer and queue,IN QOS for al 7750-SR</DIV></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV><BR> </DIV>On 05/08/2015 15:07,  wrote:<BR>> sorry,subject is wrong,my question is<BR>>  what's the difference between policer and queue,IN QOS for al 7750-SR<BR>A policer is used to drop traffic exceeding a certain rate.<BR><BR>A queue is memory used to absorb bursts of packets.<BR><BR>A shaper (rather than a policer) uses a queue to store non-conforming<BR>packets and attempts to de-queue them at a conforming rate.<BR>_______________________________________________<BR>alcatel-nsp mailing list<BR>alcatel-nsp@puck.nether.net<BR>https://puck.nether.net/mailman/listinfo/alcatel-nsp<BR>
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