Switching

I wanted to see what other network architects thought of Cisco's vPC technology which is available on the Nexus line of switches and its application. Personally I believe that under most circunstances vPC is strictly a Data Center technology, it shou...

HelloI have a question about Cisco ISR G1 2800, 3800 internal flash memorythe related URL is below [Overview of Cisco 2800 Series Routers]http://www.cisco.com/en/US/docs/routers/access/2800/hardware/installation/guide/01_hw.html#wp1037629[Overview of...

I have a database server and a web server communicating under the ASA 5500 router.  The servers are connected to a hub, and then to the router.I am intermittantly experiencing "General Networ Failure" type exceptions on the web server when he tries t...

We use network scanner to find any vulnerability in ios..Just have doubt regarding,if something we get only using network scanner(say some traceback on switch),does it mean that there exist a real case scenario(without network scanner) in which we ca...

I have a Cisco 2948-GE-TX that is connected to a PIX525 which is connected to the Internet. I am able to ping outside address (i.e. 4.2.2.2) from the switch and even do a traceroute from it. But users connected to the switch are unable to access the ...

Hi Everybody,We have an issue on a Catalyst 3750X with a VPLS link.There is a shematicWe have a main site with two access on a VPLS, and some extended sites with one access to the VPLS.Interconnecting is made by some layer 3 vlans between our 6506 an...

Hi ,I have 6500 switch on that there  are about 30 vlan .which is in vtp mode server.I have another switch such as 3550 which i have made as vtp. mode client and it is connected to 6500on 3550 there are 48 ports and out ot them i have made 40 ports a...

Hello,My friend asked my to look at this example:A. DSW11 will be elected the root bridge.B. DSW12 will be elected the root bridge.C. ASW13 will be elected the root bridge.D. P3/1 will be elected the nondesignated port.E. P2/2 will be elected the non...

Hi Guys,I would like some advise based on the diagram attached.What i want to achieve is to have redundancy if the main router fails.Please advise what kind of protocol to use based on the attached.Thanks & Regards,Terence

hello  we have Cisco catalyst switch 3750 Here iam looking to configure about 10 vlans in our network, wherei made my switch as a DHCP server in assigning IPS to all Vlans.here company looking for MAC based IP address. where i had tried to give it , ...

HI ALL,I habe a catalyst 3750x switch .First it was on transparent  mode.I have created a svi has mentioned below in config and assiged  a port gi1/0/5 to vlan 217 and  than connectd   a cable  to a L3 6500 switch on a port gi1/47(switchport access v...

Hi all,My customer have an error when he want to enable ip multicat-routing distributed on CISCO WS-C3560-48PS.The switch can't enable it in global configuration mode. The IOS version is C3560-IPSERVICESK9-M, Version 12.2(25) SEE3.Is it need to updat...