Switching

I have cisco 3850 switch running 3.2.3SE IOS where i am seeing Unwanted Telnet connections from 192.168.1.2 IP which is no were available in my network. I Tried clearing the VTY sessions but its Re-Appearing again with in a second. Can any one help m...

I have core switch and WLC is connected with one of the port. But As I send 10000 Ping Packets of WLC is shows some packet Loss. There are no errors and CRC on interface connecting to WLC. Success rate is 99 percent (99981/100000), round-trip min/avg...

Good Night with the command: S1(config-if)# switchport port-security maximum 2Im configuring port security to allow a max. of 2 decives on that port, but if i connect to the port an IP Phone, i ve seen on several documentation that i have to configur...

Hello, I am in a process of upgrading old cisco catalyst cisco WS-C4503-E (MPC8572). Existing Code           :  cat4500e-universalk9.SPA.03.02.00.SG.150-2.SG.binnew proposed Code :  cat4500e-universalk9.SPA.03.08.08.E.152-4.E8.binI dont have access  ...

I have a Catalyst 9300 switch that we purchased through a government contract roughly a year ago. Around the beginning of June this year, we had one of our users report that they'd lost connectivity on their machine. Troubleshooting eventually reveal...

One of my clients is rolling out VoIP, so I wanted to use the 'voice vlan'.interface GigabitEthernet1/0/13 switchport access vlan 1001 switchport mode access switchport voice vlan 200 endWhen I plug a Polycom phone it the interface, LLDP does its ...

we delete vlan regularly  by below command--#no vlan 100 but Vlans are stored in flash memory in vlan.dat fileso is it necessary to delete Vlan data from vlan.dat file and steps?

Cisco 9500 - Stack Ring - Redundant false + Power Supply Module 0 on (fan failed)Hi,I have a recently connected a cisco 9500, our network monitoring system is showing the below alerts. The switch ring and the power supply's appear to be ok.9500, Can ...

Hello,Have issues with the sx550x switches (with sg550x as well but these seem to be more stable now on firmware version 2.3.5.63).Situation is as follows, 2x SX550x switches (SW003) in stack uplinked to core switch 4500x, this over a trunk port on e...

Forum, I am reprovisioning one of my company's Cisco 9300-48P switches to be used in another office.I have performed "write erase" command successfully and also reloaded the switch. I am guessing that the switch must have been a stack member in its f...

Hi All, I have a WS-C2960-48PST-L (15.0(2)SE4) which is working fine on the surface but SolarWinds is reporting that the memory usage has been at 80% for a long period of time.Using all of the memory commands I can see that there are a lot of dead pr...

Hallo ,i have 2 Catalyst Switches and they connected directly together, if i look at the output Packets on the interface of switch 1, i see 1973 gb output.but on the other Side (Switch 2) the input of connected Switch 1 interface is much more 8036 Gb...

Hi,i have a stange issue, i can not boot on rommom.once i power on the switch,the led are not stableno view in the puttythe fun is making soundis this an hardware issue ?

Hi all, I'm trying to edit an access-list, but I experience some problems. I'm making the following changes: 1. Delete access-list 1 2. Install the commands below access-list 1 remark == s1access-list 1 permit ip address 1access-list 1 remark ==> Net...