Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
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Forum Posts
Hello,I have one 3560 48T it performs all the routing in my domain. I ca not absorb any down time during regular business hours (7:00am --5:00pm)I have Smartnet SNTP contract......I do not know aht level of support/service I get witthis but a...
Hello all,I have an 881 router here in house and am attempting to enable the gui interface on the router.I have tried the steps to enable http but have not had any success.Below is the IOS Version and the portion of the show config that reflects the ...
I upgraded our 3560-48-ps switch from c3560-advipservicesk9-mz.122-35.SE5.bin to c3560-ipservicesk9.mz.122-55.SE4bin and is having issues now.Since I upgraded to the new IOS our older machines on the network can no longer connect to the domain and is...
Has anyone run into issue below. Virtual Connect Layout is...Shared Uplink A consists of 4 x 10Gb uplinks- Bay1:PortX2, Bay1:PortX3, Bay5:PortX2 and Bay5:PortX3.Shared Uplink B consists of 4 x 10Gb uplinks- Bay2:PortX2, Bay2:PortX3, Bay6:PortX2 and ...
Resolved! Nexus dual homing question(s)
I am trying to work up a config based on equipment that was ordered before I joined my current employer.I will be deploying N2Ks at the top of each rack. Each N2K will be dual homed to two different N5K's.Being new to the Nexus, I understand that th...
I have a switch in a building across the street that we are going change a port from access to trunk so that we can accomodate multiple vlan's in that building.The port config is as follows -switchport access vlan XXswitchport mode accessspeed 100dup...
Resolved! Upgrading from Sup720 to Sup2T questions
I will be upgrading from Sup720 supervisors to the new Sup2T version in the coming weeks. I have two different configurations to migrate -One 6509 is running redundant supervisor engines and the rest of them are not.For the redundant supervisor inst...
Hi,We're looking at implementing a new phone system which will use voice over ip. Currently we have a mixture of Cisco 3750 and Cisco 3550 switches which don't support power over ethernet. To save on costs (not my idea) its been suggested we could co...
I have a router on which I would like to create a port channel that spans two different Nexus 2248TP switches, and then create a couple subinterfaces on the router's po interface. I've done this successfully on my primary router, but the config doe...
Dear all,Recently I've gotten the care over our companies VLAN system. I'll try to make a short summary on the network setup.Incoming Internet Line -> Cisco 877 > UNIX Debian4 server ( VLAN / DHCP ) > 3com SuperStack III 3300Before I get to my questi...
Hi,In a scenario where there are multiple instances of VSMs, is there a way to limit which VEM can communicate with which VSM? or will all the VEMs attach to all the available VSMs? Thanks,Pradeep
Dear Team,I am getting below loggs on my Router.002642: *Oct 25 06:32:18.171 PST: %MAC_MOVE-SP-4-NOTIF: Host 000b.ab12.eca7 in vlan 120 is flapping between port Gi3/18 and port Po1002643: *Oct 25 06:32:18.171 PST: %MAC_MOVE-SP-4-NOTIF: Host 000b.ab12...
Why was the decision made to let PCs/routers/APs transmit on pin 1 and 2, and hubs/switches on pin 3 and 6?. If all devices transmit on the same pins, we could just always use crossover cables. The would also be no need for Auto-MDIX. Wouldn't that m...
heloo brothers , this is my 1st poet here is cisco fourms=======================================assume that i have the scinerio as shown:R1---------------------------R2now i want to use key chain to perform authentication between routersassume i crea...
Hello everyone,Am starting off on my CCNA studies, currently covering the core networking concepts. I just finished covering Ethernet material, which of course includes information on CSMA/CD, and had a question: would it be possible to attack a wire...
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