Hello. There is an network, using 4 Cisco ASR as layer 3 gateway for ring of layer 2 Cisco switches. Topology looks like square, which angles is ASR-s, and sides is connected one by one by chain topology, which makes an enclosed loop of a layer 2. Lo...

Hello everyone! There is a huge local network based on server with applications and users of different remote branches, what use these. Rest of servers protected by firewall Palo Alto, and have gateway on it. PA connected to the core switch. But ther...

Greeting everyone! There is a little problem with configuring tacacs server on ws-2950-24 model switch. The rest switches we have are 2960 series, also 3xxx series and others, more modern versions. We always configured tacacs server this way:tacacs-s...

Hie everyone.There is a Cisco 2901 series router working by VPN tunnel and it working properly about 1 year after configurating. Now it gives a strange logs, which don't even drop in our syslog server. Logs like this: Feb 26 10:28:40.269: -Traceback=...