Switching

I have two switches WS-X45-SUP7L-E on WS-C4507R+E atm on version 3.05.01 and I need to upgrade to 3.11.4E . my rommon is 15.0(1r)SG3 which I believe I need to upgrade to 15.0(1r)SG10 but can I go directly from 3.05.01 to 3.11.4E? will it affect my VS...

Hello Is ospfv3   ipv4  address family available on the Nexus 9k - I can configure it on a Cisco ASR but the command in not available on the Nexus 9k. I am not sure if this is a nexus limitation or a license issue- nexus9k(config)# router ospfv3 1 ...

1.in real life,why is it good to avoid STP and go for ethechannel?I want answer wrt loop. is it difficult to trace loop if there is loop in STP ?If we have site with 2 cores and 35 access switches and if we find loop in such lan network,is it difficu...

I have noticed these errors on both Cat9500 we have upgraded from cat9k_iosxe.16.11.01.SPA.bin to a new IOS.   Any ideas?  did not have these errors before.Switching, LAN Switching

if we have LAN site with 500 PC users then why is it better to go with two /24 subnet instead /23?what is advantage of such subnet wrt STP ,Broadcast domain etc?please explain

I run a VTP on my own lap while I'm practicing for CCNA exam, the problem is that the VLANs on my switch1 (SW6) did not moved or transfer to the other switch(SW6) please what is the problem here :i'm using packtracer and i want to run VTP and TRUNk t...

Dear All, I have tried everything but packet tracer is not running in my laptop and whenever i am launching the app, facing the black screen only.Need solution guys on urgent basis to complete the lab as i have mid term exam as well. I am using windo...

If I have 2 x C9407 with a dual supervisor. What is the best practice to have SVL from both supervisors between 2 chassis? Can anyone share with some diagram how two 9407 supervisor chassis will connect each other to form SVL and dual active links? I...

hi Please see the below diagram. The PC99 has two adapters. One is A1 connected to internet via a router, and second is A2 is connected to the layer 3 switch. Internet share is configured at A1.  internet -----R----(A1)PC99(A2) ------Switch. A1 has p...

Hi ,  I have install new cisco CBS250 model switch in our environment , we have to configure vtp mode transparent but unfortunately the vtp configurations is not supported  . can anyone check and confirm vtp configuration will support in CBS250 model...

hi guys!I'm learning to cisco switch and I'm having a problem. After enabling DHCP on the Core switch, one of the VLAN received an IP. But another VLAN gives the following error:DHCP failed, APIPA is being used I have also defined priorities for the ...

Hi Cisco Team.I have issue with Catalyst 4500 device, it is automatin reboot while use.I sent to team some information this device Version: Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSALK9-M), Version 03.03....

Hi all members! Actually, the problem is as follows: after updating the stack (4 switches) WS-C2960X-48LPD-L from the working, but very old c2960x-universalk9-mz.150-2.EX1.bin, to version c2960x-universalk9-mz.152- 7.E1.bin I got a lot of problems .....