Switching

Hi,   Can anyone tell me is it possible to do CCNA Collaboration(Voice) Certification before the CCNA R&S? Actually in Cisco website itself mentioned no prerequisites for CCNA Collaboration(Voice)   And is it possible to go for CCNP R&S Certification...

Hi  We have couple of switches in datacentre (old one) and i can see that same subnet SVI is used in many switches. What is the purpose of that???. Like vlan 10 has SVI 10.1.1.0/24 on core switch. The core switch is connected to an access switch whic...

I have a printer that will appear for 3-5 pings after the port is bounced, then it disappears.  I have removed all port security config from the port, upgraded the switch to newer iOS, and rebooted it.    Printer works if we remove the phone from the...

Hi  I have a cisco catalyst 4507R+E core switch that has been serving as DHCP in my network. I want to shift this role to a server, all configurations are set in the virtual server and ip helper-address is configured as well. But clients are not able...

I'm sure i've done this before, but for some reason it just doesn't seem to be working.   Our provider have allocated an extra subnet to us, that's being sent over a DHCP service (fibre ethernet service). I've associated a /32 from the allocated subn...

Hey guysDevice: Nexus 5000 with Fabric Extenders 2000 seriesPrivate VLAN's configuredQuestion:Can you configure private vlan host ports in to a port channel??Thanks guys

HelloI wanted to understand , if i use WS-X6748-ge-tx with DFC for Server connectivity and if i use Nexus 5000 for server connectivity.What is the difference in performance which we can see ?thanks

Hai, I have a Nexus 7000 Core Switch , and i need to allow the domain controller ip 10.x.x.x for DHCP relay on switch. I need the steps or syntax to implement the same. With RegardsMurthy Kanuri

Hi,We are trying to design the following scenario. Our Idea is to acheive HA. Now the query isHow this Nexus 5000 Series Switches & the 4900M switches can be interconnected and how this needs to be configured. A logical briefing can be good enough to...

Hi everyone, I am in a confusion of some network concept that speaks of port number. my question is on which layer of the model OSI and TCP / IP is the port number?   cf. https://twitter.com/LearningatCisco/status/972562741910278144   Identifying the...

Hi all, Please help I have nexus 5020 and its ethernet 1/1 are on sfp and its connected to cisco router 1921 0/1.Nexus ethernet 1/1 sfp is 10gb and Router 1921 port is 1GB. for connecting i need to reduce speed.when tried its shows error.Please help...

Hi Cisco Buddies   I wanna share a scenario, I take backup of my production switch 3750-X and copy startup-config and valn.dat from the production/core switch and then upload these files to my backup switch   The issue is startup-configs was complete...

Cisco Catalyst 2960S-24PS-L is layer 3?