Switching

I am using a cisco WS-C3548-XL running IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5)WC17, RELEASE SOFTWARE (fc1).In the documentation I see the command to change which version of spanning-tree is     (config)#spanning-tree mode xyzOn t...

Hello everybody.There is a Cisco Catalyst 6513 in my office. Recently we decided to setup redundant Supervisor Engine 720-3B. When we did it, its became STANDBY COLD, and then it reloads. IOS is equal on both supervisors. It must be STANDBY HOT (SSO)...

HiI have attached an image of my network.I want to ping at Switch 4 (IP:10.10.1.4) from the Switch 1. I can ping  all the VLAN/IPs on switch 3 from Switch 1. Switch 3 can ping Switch 4. But can't ping 10.10.1.4 from switch 1.What configurations is re...

Hi, I am having some issues with the IOS upgrade for a 4507R+E with WS-X45-SUP7L-E suppervisor, I want to use the IOS: cat4500e-entservicesk9-mz.122-53.SG4.bin, but apparantly it is not support, can you tell me if there is a document with this inform...

Hi Everyone,I have 2 switches running as HSRP and both have DHCP  config  on them.Both these switches have connection  to 3rd switch where PC is connected.Connection between HSRP switches and 3rd switch is not trunk it is access port only.VLAN 10 is ...

Hi,I have tried with show mac address-table. it is showing only access vlan mac addresses. what is the command that I should use to see the mac addresses that are learnt on trunk interfaces in Nexus devices

I would normally do this inside of the network on our switches, but we want to allow connections only from a specific ip to a specific ip on a specific port, so the only option was to do it in the ASA.  I created a redundant interface on the ASA, and...

Hi all,Please Can any one help me understand this concept...Let me show you the scenarioone MPLS connection from ISP coming to my router and from my router to DMZ serversi have to connect to the Remote server to my DMZ serverThe ISP gave me the detai...