Switching

What kind of equipments, what series router can be used to connect a leased line,in  a office of 50-60 users,and the steps of setup and configurations in details,Condsider the budget also.what kind of port/interfaces are used to connect a lease line?...

Hello, say I make a change to the config of a router or switch, such as the addition of new lines.If I then decide I want to revert to the original config, I understand that I can just paste the original config back in via the terminal.However doing ...

Hi there,Yesterday all of sudden some of our machines(dumb terminals) could no longer connect to their server. A quick test - I disconnected the Ethernet cable and plugged it into my laptop, pinging any server on my network was at 50% at the most som...

 Some particular devices ( android os ) is not getting ip address from  dhcp server. But windows clients are getting the ip address. How can i troubleshoot this issue , anything need to be done on the access ports 

Hi ,I want to block the IP Messenger in my university campus. I have multiple VLAN.I have large LAN environment with cisco 2960 and cisco 3750 series switches. 

Hi there,   I'm having an issue with my Cisco 6509. One of Internet configured as trunk Interface direct with a HP7500 is showing reliability 255/255, txload 238/255, rxload 8/255.   The Issue is that my Cacti Server show me that only 10% of the link...

Does Supervisor Engine 6L-E compatible with Cisco Ws-C4506 Non-E switch?

Hi everybodyIP source guard can be used to verify src ip and mac using dhcp binding.According to my book, it requires that option 82 be enabled.  Below is the excerpt:Source IP and MAC address filter. IP traffic is filtered based on its source IP addres...

Hi,I have an issue with a Catalyst-4500 (4507R-E, ipbase, 12.2.46SG), that is running very hi CPU since some days: By investigating, I observed a couple of processes that are realy CPU-consuming: I don't know where to look ... Some help and/or some s...

I have 3x 2960S switches that need to be stacked.Two (2) are running 12.2(55)SE5 and are already stacked.I need to add a newer switch running 15.2(1)E.Can the switch running 15.2(1)E be downgraded to 12.2(55)SE5?All other switches at the site are run...

On a catalyst switch when I use the command "show interfaces summary" I get great stats on the interfaces.  Issuing the command "clear counters" clears the numbers for these stats regarding dropped packets (and a lot of other things, I know), but it ...

Has anyone the LAB MANUALS for ICND 1 & ICND2 ? Also have you the WORKSHEETS for them too? Also Im after CLASS NOTES ( Overhead Projector) for both ICND1 & ICND2 ...

We have four Nexus 7Ks connected as a core network with vPC redundancy between all four.  Two of the 7Ks are connected to a 6513.  The 6513 was the spanning-tree root for the network.  Power to the 6513 was cut.  Approximately 8 ports between the 7Ks...