Switching

I have a Cisco 1841 handling a remote site with about 50 concurrent users.  Recently, I turned on NAT on the router to provide Internet access to these users via a new ISP.   Unfortunately, now the CPU utilization has moved from less than 5% most of ...

I have an odd question. What all does one check to verify the performance of a switch or watch to see if it is time to upgrade? Lets say I have a WS-C3560G-24PS service as a distribution switch with six (6) WS-C2950T-24 connected to it. In looking at...

Dear Experts!!!I need 10gigbit uplink for this switch. What are the other devices that i need order along with this device.And what is the diff between  X2-10GB-LR= and CVR-X2-SFP.if i take CVR-X2-SFP, in future how can i upgrade from one gig to 10 g...

Hi,I have a user who is a work at home.  She has an 871 Cisco Router with is connected to an ISP modem.  Lately she has been getting connectivity issues.  And a tech from the ISP troubleshooted it and said that the Cisco Router was not pulling an IP ...

Good afternoon all,We puchased two new 4948 with two 10GE uplink ports and upgraded the devices to run IOS 15.  My 6506 is running Sup 720 with s77233-adventerprisek0_wan-mz.122-33.SXI9.  Currently we have 4948's connected to the same 6506's with no ...

Hi,I would like to know the steps to break the stacked switchI have 2 2960S - 48 port switch which is pre configured for stack... but now i would like to use only one Switch not 2 switches...hence could anyone please let me know the steps to break th...

- Catalyst 3750G IOS 15.0(1)SE- mtu 9000- Etherchanel ports trunked, connected to EMC SANs (VLAN tagged) seeing high numbers of Receive undersized frames, no collisions, no errors, no discards-VM hosts in access ports show no errors, collisions or un...

Hi, Qos question.We tested a QoS in a Cisco 3750E, IOS: 12.2(58)SE2.Voice traffice in the correct Q without any problem, but all the others traffic the Defualt Q (0), tried to capture the traffic and tcp/udp port are correct.Any thing wrong with my A...

It's no longer on Cisco download page. Anyone know the reason? Thanks!

The 3750-12S-S comes with IP based IOS.  I know it is possible to upgrade the IOS on a 3750X-48P-L from LAN based to IP based IOS.  However, can the IOS on the 12-S be downgraded to the LAN based IOS?

Guys (and ladies), I am banging my head on a wall trying to figure this problem out.  I have a Windows Deployment Server (WDS) running on a lan with an address of 192.168.1.x.  I am trying to PXE boot clients in the range of 192.168.9.x and i keep ge...

Hi,We are currently migrating from Cisco 6500 switches to Nexus 7000 switches. I need replicate the following multicast configuration on the 6500 switches in the simplest way so Multicast is functioning on the Nexus 7000 switches.Cisco 6500 configura...