Switching

My Office have a Cisco Switch WS-C3750G-24TS-1U. When I tried to show lldp command, it can't recognized. What should i do?

I'm seeing a ridiculous amount of Xmit errors on a port that are showing up as Excess Defer frames: switch#sh int g 1/0/1 controllerGigabitEthernet1/0/1 is up, line protocol is up (connected) Hardware is Gigabit Ethernet, address is 0000.0000.0000 (b...

Hello all I have 7 VLANs in our core switch, VLAN-1 is for management,so i did not introduced ip helper address command on interface vlan 1. but problem is that the pc is getting ip from dhcp, from vlan-1 ip range, don't know how is this happening, k...

I am trying to resequence an ACL used for PBR ona Route-map.. it is not working see extract below, is it something to do with being used on a route-map? IP access list Guest-VMO        statistics per-entry         10 permit ip 10.17.252.0/22 any     ...

hi, in the new IOS (v15), WFQ is configured like: Policy Map MyTest Class HTTP  bandwidth 100000    fair-queue Policy Map MyTest Class ICMP  bandwidth 100000    fair-queue what is the actual effect of it, how the software queue of these classes wil...

HI Guys,My brain come up with one question relate the VLANs.The question is:  1. Why they are separate Standard VLANs and Extended VLAN ?  2. Why they not put them (10bits or 12bits) in only one type as Standard VLANs or Extended VLANs ?Anybody knows...

Hi Team, Good day, Am having 8 no of 4500 access switches in my production and one of the device has went to stand by mode automatically. And found few logs as below. Need your inputs and resolution to recover this from stand by to Active asap. an sh...

Hi, I am having issues with a large number of my VLAN interfaces. Even though interfaces and trunks have been configured and end devices plugged in upstream, they stay in “down” state and I cannot ping their associated gateway. As it stands the only...

Hello ,  Does anyone have come across any issues switch couldn't power up due to output failure on the power supply fails by inserting two 8700W power supplies to 6509-E with sup32-10GE-3B sups? I tried with couple of same chassis but, same results...

Hey Guys, I am getting multiple switches on my network showing "power supply failure" from Solarwinds. I am running Cisco 3850s running v 03.02.03.SE cat3k_caa-universalk9 iOS, and they all have dual power supplies. When i do the sh env power, I get ...

Hi All,   I have got a 4506 Switch which is UP and Running now.   Now we are introducing another 4506 With Sup 7LE, And purchased another Sup 7LE for Existing 4506 (Currently OLD 4506 is running with Sup 6E - Which doesn’t support VSS). Our aim is...

Hello, I got a new switch with no stack module inside it at the back. I have a old switch with a stack module. Is it feasible to take out stack module from old 2960 switch and insert it into new 2960 switch as I need to implement new switch in my en...