Switching

Anyone that could help please do.  This one has got me and my college stumped.  We have a router on a stick cause its a 2620 with three vlans. Vlan 2 is a trunk out to our core network while 600 and 603 are local data and voice vlans.  This config wa...

Hello,I work on a private yacht and we have Cisco architecture, Software version LMS 2.6. Three main hubs are Cisco Catalyst 6504-E Switches and many switches such as Cisco Catalyst 3560-24PS Switches. and 105 Wireless access points (it's a large yac...

I have a question on how packets move between machines in the following scenario:Switch A has IP routing enabled and has two vlans defined with an ip address assigned to each. Lets say those vlans are 10and 20.Switch B is trunked to switch A. On swit...

Following this DOC:http://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/116515-configure-autosmartports-00.htmlc3750e-universalk9-mz.152-2.E.binIt works fine for cisco phones, switches routers, but when I try to define a c...

Hi,I'm trying to configure snmp traps when a track goes down.I can get this working with EEM in the following way:event manager applet track-32 event track 32 state any action 1 snmp-trap strdata "Track 32 changed state to $_track_state" on its self ...

Hi Does anybody know the cause of an unexpected reboot with no crash information in flash, I have a WS-C3560X-48T-L Switch with c3560e-universalk9-mz.150-1.SE.bin image. Is an action recommended?------------------ show stacks ------------------Minimu...

Folks,I am installing/upgrading an IOS on some 2960x units; however, the only update is15.0.2 EX5 (RD) Now - just making sure I still understand the naming scheme - EX = Enterpirse but the 'X' makes this image a one time ios version? RD = Early Devel...

I have a couple 2960S (WS-C2960S-48TD-L) switches.  One is currently running standalone and provisioned.  I want to attach the other via stacking modules/cables.  The second unit has not been provisioned.  I have observed that with the stacking modul...

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...