Switching

I am unable to stack the below switches. I am getting error of incompatible software. Please advise. I am trying to add to 3750x which is the higher version. Switch   Ports  Model              SW Version              SW Image------   -----  -----    ...

I was reconfiguring my switches over the weekend to try to enable QoS to try to improve my voice quality with my new ShoreTel phone system.  Some of the commands I was trying to use on a port level were not working,Not recognized on trunk ports:switc...

Hi.This is my problem, I have one cisco 3750x with 24 ports and one C3KX-NM-1G module. when I connect one gbic sfp-lx in the gi 1/1/1 the port doesnt up.But when I connect the fiber to another switch the link works.There are problems with this kind o...

I have several sites that run DHCP on the switches (3560's) at those locations. I want to move DHCP to a centralized server. What would be the best way to move users to the server and get rid of the switch based DHCP pools. I want the least amount of...

Team, Last evening (Christmas eve) we setup a pair of Cisco 3850 with IP Base version 3.3.35SE (recommended) and 3.7.0E (very latest).We got these to replace a very old switch that had died. Attached to this network are windows 7 PC's with all the st...

Hello.I've this problem.Our core switch is a double 6509e with sup2T configured as VSS.We have configured 2 monitor sessions to two ntop (to graph network bw use); now we need another SPAN monitor session to a snort machine (ids), but limit is 2 span...

Hi Team,        I am seeing a total output drops are increasing in the switch side interface where the interface connected between router and switch.  I cleared the counters but still it increasing high.Router Model: Cisco 3845Switch Model : Cisco C3...

Dear Team, I want to disable wireless feature on Cisco 3850 Switch. This is because we are facing Symantec backup issue on Cisco 3850 switch and its working fine on Cisco 3750. Please suggest. Thank You,Abhisar.

Hi everyone, Is there any way to create multiple subnets under one VLAN ? Right now, I am using VLAN 110 and it's IP is 172.16.0.1/16.We have three types of devices on this VLAN.I want to create 3 or 4 subnets for those devices under this VLAN for re...

Greetings!   I have a Cisco switch model WS-C3650-48TS-S and I configured in one of its interfaces flowcontrol receive on but when I check the interface using show interface I noticed that input flow-control off and output flow-control unsupported I ...

 We have a 4500-x in VSS pair setup as the core router. We have ToR switches connected to it using the trunk uplink interface.The router is dropping the packets from 2x of connected vlans, but working for one of the vlan subnet.And the flow command b...

I NEED COMPARISON BETWEEN CISCO VS-C6509E-SUP2T vs S9700  , becuse i have a very compettive offer from huawei , really i need to onvince my customer that cisco 6500 is better than huawei 9700 in performance 

3 switches in the same broadcast domain (transparent mode), approx 200 vlans. Trunk links between switches allow all vlans 1-4096 I setup arp inspection for 1 particular vlan to troubleshoot an arp server issue, possibly an unintentionally arp MITM. ...

Hi,i seem to have experienced a 2960 switch with IGMP Snooping enabled, flooding multicast out of all trunked ports. When I enable a querier IGMP Snooping kicks in and starts to do its job.(Portfast enabled so shouldn't be flooding on tcn)I can't fin...