Switching

I'm a Cisco employee so you can say I'm professional, but this really puzzles me: I have this Cat 6506 switch with SUP720 and latest image. It takes WISM card but not WLSM, the error msg being "unsupported". I'm using 15.1(2)SY3 image and used 12.2.3...

I have been given a Cisco 5940 router to repair.Now this is an early unit with rommon version 12.4(20100825:230356) [javeri-javeri-v124_24_gc2_throttle-candidate 101].My understanding is, the IOS was replaced and eversince has only booted into ROMMON...

With the WS-X45-Sup6L-E supervisor engine, is it possible to use one of the uplink ports with the X2 optics for 10G speeds and the other port with a Cisco Twin Gigabit ?

Hi Guys,We have a 500m link at HQ and one of the branch sites have a 2m link, both connecting to a ME network. We run both voice and data to the site, however they are complaining about quality. QoS markings are OK, but we can see that they start com...

I have a 3750x switch stack of three switches.One of the switches has reset 2 times and rejoined the stack.Everything appears to be working fine except that every port light is flashing green light.No one touched mode button. Is this a warning of som...

Hello there, I am having an issue with 7960/7940 phones and their connected pcs authenticating with 802.1x.  I read a post that an individual had in 2009 but it doesn't quite describe the situation I'm having and cannot figure out.  I know that the 7...

I plan to upgrade IOS for Cisco switch 4506. I have two pair of 4506 act as core switch, need to know whether is it ok during the upgrade we running different IOS. For example, Switch A running IOS 12.1.1 and Swwitch B running IOS 14.1.1. Any issue i...

Hello, I have 3750x running c3750e-universalk9-mz.122-55.SE5 layer 3 capable. I have two internet access circuits on the switch both 100Mbps however there subrated down to 14Mbps by the ISP. Id like to rate shape out bound traffic toward the ISP so w...

I have a 6500 with problem CPU: Sw_6509_Huerfanos#show processes cpu history                                                                    111          2222299999888888888833333                         1116666677777666661111199999999992222266666...

Hi All,We tried to create a redudancy link between 3 building. When we connect the 3rd link (Red Line) and keep receiving the following error message. *Nov  3 19:27:44.932: %SW_MATM-4-MACFLAP_NOTIF: Host 6c41.6a13.3580 in vlan 17 is flapping between ...

I'm wondering if anyone has an experience with using dot1x to secure a multi-access port. The attached diagram gives an overview of a wireless network in a public meeting space. First a clarification:**the AP has 4 LAN ports that can be tagged with s...

I am having problems getting DHCP across a 3570 switch.The network that I need DHCP for is:  192.168.6.0  (VLAN 2)DHCP Server: 192.168.6.2  (VMWare; vswitch configured as VLAN 2)                  |  connected to 2960interface GigabitEthernet1/0/31 sw...