Question: What is the difference between router and L3 switching apart from WAN interfaces? Answer: Routers were devices that connected the LAN to the WAN and switches were just LAN devices and you may add a layer 3 switch,for example WS-C3750X-48P-S...
Change notification is a nice feature on Cisco IOS devices that lets you keep track of the changes that have been made to your configuration. It can even track the user who made these changes and it can send this information to a syslog server. This is...
Question: PROBLEM: Both FWSM in our core switches went active/active and protected subnets have partial accessibility. SETUP: We have 2 x Cisco Catalyst 6509 switches running IOS version 12.2(18). Each switch has a FWSM internal firewall module. Both...
Question: To connect two WS-C2960S-48TD-L Catalyst switch stacks, I use EtherChannel, i.e. I aggregate several ports on each switch to get more bandwidth and higher availability than with just a single port. However, the link doesn't work yet. What could...
Question: Recently i have found that in one of the Cisco WS-C2960S-48FPS-L switches in our environment, portfast enabled to a interface whichis connected to a non-managable switch. But 3 servers are conencted to that non-managable switch. Since this switch...
Question: In a network where the majority of the Cisco WS-C3750X-48P-S switches are running MST but a select few are still running PVST+, how can the PVST+ switch be configured to be the root of the spanning tree? Topology below: +--------+ +---------+...
Question: In a network where the majority of the Cisco WS-C3750X-48P-S switches are running MST but a select few are still running PVST+, how can the PVST+ switch be configured to be the root of the spanning tree? Topology below: +--------+ +---------+...
Question: In a network where the majority of the Cisco WS-C3750X-48P-S switches are running MST but a select few are still running PVST+, how can the PVST+ switch be configured to be the root of the spanning tree? Topology below: +--------+ +---------+...
Question: On a Cisco WS-C3750X-24S-S Catalyst switch, I need to find what port an end device is connected to. I have the IP address/host name. How do I quickly find the port? Answer: The answer depends on whether the switch is a Layer 2 or a Layer 3 switch....
This tutorial documents the procedure for performing a password recovery on a Cisco WS-C2960S-24TD-L switch (and probably other models, as well). 1. Unplug the power cable. 2. Hold down the mode button while replugging the power cable. 3. Type flash_init...
