We have a Cisco 3845 router with OSPF running on GRE interface Tunnels (nb : 88).
There are also GRE/IPSEC interface tunnels (nb 88) with no routing protocol running on them. The pysical support is VSAT.
We encountered 3 times high CPU utilisation (above 90%) related to the OSPF process in a period of 3 weeks). Each time, it happened about 15 minutes after a large number of GRE/IPSEC tunnel interfaces went down in a small interval (a few-seconds).
IOS is 24-15.T3.
Here is the configuration of a GRE/IPSEC interface :
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...