Actually discards is a sign of interface running out of buffers.. Increasing buffers fixes the discards.. So see the discards on 6500 where I see this the most on 6548 and 6148 line cards do a
Sh counters interface # pedro's blackberry ----- Original Message ----- From: [email protected] <[email protected]> To: InterMapper Discussion <[email protected]> Sent: Sat Oct 06 09:38:35 2007 Subject: Re: [IM-Talk] Question about snmp probe counter makeup Hi All, I have seen this on routers too, and on Cisco it happens, basic, when the line can't handle more traffic and the router discards the packet. Some bad routers, simply try to handle all packets and then at some point crash in sted.. not what you want.. :-) So, discards is an indication that your line might be oversaturated and (if it hapens a lot) might need an upgrade. Jakob Peterhänsel "Be a part of the Love Generation - carry a smile, not a gun." - JP, May 2006 Email: [EMAIL PROTECTED] AIM: Marook Phone: +45 29687104 On 05/10/2007, at 23.12, Christopher L. Sweeney wrote: > At 4:03 PM -0500 10/5/07, Doug Veldhuisen wrote: >> I have intermapper installed, monitoring a large wide area network. >> Several routers are showing TX Discards = xxxx/minute when using >> the snmp traffic probe. Can someone please tell me what smnp >> variables make up the TX Discard counter? I am trying to figure >> out what is happening because many routers have large TX discards. >> >> I am guessing since we are using Qos policies on these routers, >> I'm seeing QoS drops, but not sure. > > It's ifOutDiscards in the ifTable. In theory, I think, the discards > should indicate packets discarded because of things like resource > limitations. In practice, we have seen some SNMP implementations > which count other types of discards, such as discards due to > firewall rules, in this number. > > -- Christopher > > -- > ================================================ > Christopher L. Sweeney > Dartware, LLC > http://www.dartware.com/ > ____________________________________________________________________ > List archives: http://www.mail-archive.com/intermapper-talk% > 40list.dartware.com/ > To unsubscribe: send email to: [EMAIL PROTECTED] > .+-j�!�����i��0�f���܆+�r���{^�f����jY8�X��֫��y�&�:.�˛���m� �צj)m���z����M�d�����]j�pj���
