Switching

Hello All,    I was wondering if I can run IOS 15.0(2)SG9 instead of 15.0(2)SG8 on a Catalyst 4506 with Supervisor V module?   It does load just fine and appear to be working but do you think this will be fine in production?    Any suggestions would ...

im trying to connect my DHCP Server to the clients, I'm a beginner and followed someyoutuve turtorials but with no luckI have made two sub-interfaces and used ip-helper in my router and encap( the ip helper matches the DHCP server ip too) yet clients...

I have a lab in a remote location, which is, as of now, accesible via console router. I want to connect this to production network, so that i am able to access without the console router. The physical setup would be likeCore --- Distribution ---- Acc...

I have a new Catalyst 3850-12S that I cannot access through Express Setup. Following the instructions I wait for post to complete, press Mode and wait for the other LEDs to light up then plug in a computer to the management port.  The switch does not...

I was just talking to my colleagues and we were thinking about the need for enabling PIM on the loopback used as source for MSDP connections (yes indeed we do need it for MSDP to work) but why? Do the loopbacks become a "transit path" for multicast t...

My system image is corrupt.  I was wondering if anyone is aware of a way to xmodem an image onto a 5010 switch.

hi all, clock command is available in both global and exec modes ,I am confused about the difference ,  can someone please clarify it with me ?

We are having to use BACNet for some building automation devices. They are on the same VLAN. There is a server that monitors all the devices. It is showing many 'duplicate device ids' in it's reports. When we plug the server into a simple switch with...

Please a help / support; A have a WS-C2960-24TC-L that when i type the command copy running-config  startup-config Switch#copy running-config  startup-configDestination filename [startup-config]?Building configuration... nv_done: unable to open "flas...

I'm trying to save the running config to the startup config, on a Cisco 2960s and it's not working. I think it's not liking the copy command.This is the command I'm using:copy running-config startup-configCan someone tell me why it's not working, I k...

I have a few old switches being used for ilo. A scan found an http injection vulnerability. I need to disabled the http server on these switches but I can't for life of me figure out how they are enabled... There are three switches configured like th...

Hi All,Just updating my latest network diagrams and the 3560X stencil looks like it's half finished.Compared to the old 3560 stencil I think it looks terrible.After seeing it for the first time I thought I would be able to add in the C3KX-NM 1G and 1...

is it misconfiguration in Access Point's access switch or hacker attack from this switch? many MATM-4-MACFLAP_NOTIF Host 0015.5dc1XXX VLAN 1 is flapping between port 1 and port 2many MATM-4-MACFLAP_NOTIF Host 0015.5dc2XXX VLAN 1 is flapping between p...

At Cisco Live! 2013 Orlando a mention was made which I understood to mean that by turning off the stacking ports of a Catalyst 3850 the switch would not wait for stack discovery but proceed with the boot sequence (by virtue of knowing the topology i....

Dear , I had a small flashing on my computer Catalyst 4500 L3. In reviewing the log , I throw the following: PIM -5 - NBRCHG : 10.11.6.3 neighbor on interface Vlan2106 non DOWN DR. Any idea what is this log ?