You are absolutely right Atif. My bad, I was thinking of the frame relay
traffic shaping process but could not remember the name of it at time of
writing.
----- Original Message -----
From: Atif Awan <[EMAIL PROTECTED]>
To: Frank Wells <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Tuesday, September 19, 2000 4:32 AM
Subject: Re: what does becn and fecn high value indicate?
>
> the bandwidth command is just for informational purposes. Routing
protocols
> that rely on link bandwidth for metric calculation ( like OSPF, IGRP,
> EIGRP ) use this parameter. It has no effect on the actual throughput on
the
> WAN link.
>
>
>
> -----Original Message-----
> From: Frank Wells <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
> Date: Monday, September 18, 2000 12:58 PM
> Subject: Re: what does becn and fecn high value indicate?
>
>
> >Of course you cannot control the FECN and BECN bits. What you can do
> though
> >is adjust the manner in which your IP traffic negotiates moving from fast
> >links to slower links (LAN to WAN etc). This is where the bandwidth
> command
> >amongst others can be useful.
> >
> >For example, routing off a fast ethernet port across the router into one
of
> >its serial ports requires a slowing of traffic. Serial ports cannot
handle
> >anywhere near 100mb of traffic. There are a number of ways one can
handle
> >this; prioritizing, queueing and using the bandwidth parameter are a few
> >that spring to mind. Each has its own merits and limitations so further
> >investigation is warranted...
> >
> >
> >
> >
> >>From: "Ejay Hire" <[EMAIL PROTECTED]>
> >>To: [EMAIL PROTECTED]
> >>Subject: Re: what does becn and fecn high value indicate?
> >>Date: Mon, 18 Sep 2000 11:12:20 CDT
> >>
> >>The fecn & becn bits are set by the frame-relay switch(es) whenever
there
> >>is congestion in the cloud. Nothing you can do on the router will make
> >>them not be set, they are a flow control mechanism.
> >>
> >>
> >>----Original Message Follows----
> >>From: "Frank Wells" <[EMAIL PROTECTED]>
> >>Reply-To: "Frank Wells" <[EMAIL PROTECTED]>
> >>To: [EMAIL PROTECTED]
> >>Subject: Re: what does becn and fecn high value indicate?
> >>Date: Mon, 18 Sep 2000 08:22:38 PDT
> >>
> >>Hey Atif,
> >>If I recall correctly, doesn't setting the 'bandwidth'command on the WAN
> >>link (frame relay in this case) resolve this problem?
> >>
> >>
> >>>From: "Atif Awan" <[EMAIL PROTECTED]>
> >>>Reply-To: "Atif Awan" <[EMAIL PROTECTED]>
> >>>To: "Yee, Jason" <[EMAIL PROTECTED]>, "cisco@groupstudy. com
> >>>\(E-mail\)" <[EMAIL PROTECTED]>
> >>>Subject: Re: what does becn and fecn high value indicate?
> >>>Date: Mon, 18 Sep 2000 14:48:27 +0500
> >>>
> >>>
> >>>BECN stands for Backward Explicit Congestion Notification. This
indicates
> >>>that there is congestion in the path opposite to the packets which have
> >>>this
> >>>BECN bit set. In your case you are getting a lot of packets with this
> BECN
> >>>bit set and this is not a good sign. There is congestion outwards from
> >>>your
> >>>router.
> >>>
> >>>Regards
> >>>Atif
> >>>
> >>>----- Original Message -----
> >>>From: "Yee, Jason" <[EMAIL PROTECTED]>
> >>>To: "cisco@groupstudy. com (E-mail)" <[EMAIL PROTECTED]>
> >>>Sent: Monday, September 18, 2000 12:15 PM
> >>>Subject: what does becn and fecn high value indicate?
> >>>
> >>>
> >>> > hi , Anyone
> >>> >
> >>> > Knows what the BECN and FECN in sh frame-relay pvc indicates :
> >>> >
> >>> > and a high BECN indicates what?
> >>> >
> >>> >
> >>> > PVC Statistics for interface Hssi4/1 (Frame Relay DTE)
> >>> >
> >>> > DLCI = 299, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
> >>>Hssi4/1.10
> >>> >
> >>> > input pkts 1263236605 output pkts 1388118986 in bytes
> 2167041222
> >>> > out bytes 3760560232 dropped pkts 1 in FECN pkts 0
> >>> > in BECN pkts 791683517 out FECN pkts 0 out BECN pkts 0
> >>> > in DE pkts 29527 out DE pkts 0
> >>> > out bcast pkts 16346 out bcast bytes 5868214
> >>> > pvc create time 11w6d, last time pvc status changed 05:27:23
> >>> >
> >>> >
> >>> > thanks
> >>> >
> >>> > Jason
> >>> >
> >>> >
> >>> > **NOTE: New CCNA/CCDA List has been formed. For more information go
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