Routing

Troubleshooting EIGRP

RenĂ© Jorissen on June 25, 2008 0 Comments • Tags: #active #black #default-metric #eigrp #hold #hole #in #metric #neighbors #out #redistribute #retransmit #rto #stuck #summary #table #time #topology #troubleshooting

To troubleshoot EIGRP you should obvious have a grasp understanding of the specific routing protocol. Of course this doesn’t only apply to the EIGRP routing protocol. Troubleshooting the EIGRP routing protocol on a Cisco devices is mainly about logging the correct information to a syslog server, the buffer or the console and know what the … Read More

Switching

ProCurve excessive STP topology changes

RenĂ© Jorissen on March 25, 2008 2 Comments • Tags: #3500 #3500yl #5412 #5412zl #changes #mst #rstp #topology

Recently a colleque of mine noticed something strange in the STP configuration from a couple of HP ProCurve switches. He had a network, which was configured by another party, with switches running MST en RSTP mode spanning-tree. He noticed a lot of topology changes in the configuration, but couldn’t find out where they were coming … Read More