we use in our network Catalyst 3750 (v1 + v2) switches. We are monitoring them with SolarWinds NPM. In the last few month we see regularly syslog-errors like this:
2013-09-18 14:42:15 Local6.Error vcvlswae1-87 8577: 006431: Sep 18 14:42:15: %SNMP-3-INPUT_QFULL_ERR: Packet dropped due to input
2013-09-18 14:42:15 Local6.Error vcvlswae1-87 8578: queue full2013-09-18 14:42:15 Local6.Error vcvlswae1-87 8577: 006431: Sep 18 14:42:15: %SNMP-3-INPUT_QFULL_ERR: Packet dropped due to input 2013-09-18 14:42:15 Local6.Error vcvlswae1-87 8578: queue full
all the links on the switches look okay at this moment, but no data is going over the connections, so nobody can work on the connected devices.
this happens to switches with IOS 12.2(44)SE6 and 12.2(55)SE1.
only solution we found so far is to reboot the switch. Even a "show tech-support" will not run until we reboot the switch. Is this a known bug in IOS? At the moment we have no idea where this comes from, so every input where to look for the cause is welcome.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...