Switching

Hello all, I've been trying to connect these 2 switches using fiber but no success. what tests I have done:1st attempt:3750xinterface GigabitEthernet1/0/1switchport trunk encapsulation dot1qswitchport trunk native vlan 100switchport mode trunk2960sin...

I have a probleemje with two layer 3 switches can route between the two switches so with an ip address 10.10.10.1 255.255.255.0 Switch 2 to go and another to

Hello,we have a small network with some c9200 switches and a lot of VLAN there.Now, some days ago a network expierenced guy told us, that using VLANs could be dangerous because of VLAN hopping. I am not very common in that because we declare all port...

Any solution - how to up the link of gig0/51  Router#sho invNAME: "CISCO3945-CHASSIS", DESCR: "CISCO3945-CHASSIS"PID: CISCO3945-CHASSIS , VID: V02 , SN: FTX1416AKB1 NAME: "Cisco Services Performance Engine 250 for Cisco 3900 ISR on Slot 0", DESCR: "C...

Help !!!! What exact product to do I need to purchase to upgrade from Essentials to Advantage to get 'stacking' working on my pair of C9500-24X-E switches??? I have purchased a pair of C9500-24X switches with 'Network Essentails' and 'DNA-Essentials'...

Hi. There is a symptom which one of vlan is having issue in HSRP. The log message start with this:Mar 4 16:15:56.881: %HSRP-5-STATECHANGE: Vlan3 Grp 3 state Standby -> ActiveMar 4 16:16:02.405: %HSRP-5-STATECHANGE: Vlan3 Grp 3 state Active -> SpeakMa...

I have a Catalyst 3650 switch, which keeps rebooting. Model: WS-C3650-24PD-S.I'm in bootloader, here are the available commands: https://pastebin.com/djfz7znyHere is the flash: contents: https://pastebin.com/c5Vg4SaiError "octeon_wdt: WDT device clos...

hi,i got a pair of nexus 3K acting as core/distro switch that i'll need to apply storm control. can some advise or confirm that i need to apply storm control on both port channel and on both nexus core switch?will applying storm control "break" the p...

Hello, like in the topic written, i cannot reset the switch, because of the read only mode of the flash:/ i havent found any solution that worked for me. can anyone help me? switch: dirList of filesystems currently registered:xmodem[0]: (read-only)nu...

Hello,I've just set-up RPR+. When I enetered the sh redundancy command, I get the following output:"Current Software state = STANDBY COLD-CONFIG"Is this something to worry about?Please advise?Thanks.xxxLON#sh redundancyRedundant System Information:Th...

Hi guys  I have a PC connected to a switch which connects to a router. I can ping the router from the PC and vice versa. I cannot ping to or from the switch. I have checked mac addresses and they are correct. What on earth is going on? Thanks Chase