Switching

Hi,I configured port security on my 2960 switches with the following commands:switchport mode accessswitchport port-security maximum 2switchport port-securityswitchport port-security violation restrictswitchport port-security mac-address stickyswitch...

Hi all,I have some static policy-nat issue on a Cisco IOS router (2921). I attach first of all the drawing which include the configuration (only for Site A):So my issue is that when Server 1 is trying to telnet to 10.141.60.98 for example traffic is ...

Hello All,I have a vast lan network with segment like 192.168.1.0/24, 192.168.2.0/24, 192.168.3.0/24.For diff type of users, which they are then natted with a public segment. and each segment is sharped accordingly.For labtops cisco IBNS is used for ...

Hi all,I have a question regarding the behavior of 802.1Q tunneling on Cisco 3560 when the customer switch is using an access port towards the ISP PE instead of a trunk port. Please see the diagram below:So when ther server with IP 10.10.10.10 is pin...

I recently got put in charge of laying the switches out for a new fiber project. We need to connect several different buildings on the LAN. There will be a lot of traffic generated and I would like to put l3 switches at each building. However I want ...

I have 2 sites located approximately 30 kilometres apart.  I will call them site 1 and site 2.The sites are connected by a Layer 2 1GB fibre connection.I would like to add 2 X Cisco nexus 5548UP switches at site 1 and connect these 2 X Cisco nexus 55...

In my MDF I have a 4stack of the WS-3750-48P switches. Is it possible to replace one with a C3750X48PF-S with out causing any issues? Or would it be better to just have 3 stacked and trunk this one to the core 4506. Keeping in mind I bought this one ...

Hello All,I have an issue with a Cisco 4900M switch with a WS-X4908-10G-RJ45 half card.  The link connection between a 10Gbase-T server nic and the switch does not establish, i believe it is an auto negotiation problem.  The link fluctuates constantl...

My company is in the process of being audited (annual event) and my manager wanted me to lock down access to our switches from our workstation network for ports 80, 443, 22, 23. I created access-lists and applied the access-lists to our "traversing" ...

Hello Guys,I've a doubt regarding the Port Security Implementation.I've read that on the Shutdown violation mode, the port will be disabled when somebody tries to connect a unknown device on the network. And the restrict mode drops the packets.My dou...

Please i require assistance with an issue we experienced on our set of VSS switches this morning. My colleagues observed on coming to work this morning that the active switch had all the modules in the error disable state and the Switch was non opera...

Dear Freinds of Cisco familyI will be  replacing my primary ACE blade and am wondering if when I reconfigure the admin context and insert the blade in the chasis , with the ft groups and vlans . Is there any risk for the newly inserted  primary blade...