Switching

Hello together, I want to upgrade to a Cisco Catalyst 9500. I enter the following command:install add file bootflash:cat9k_iosxe.16.09.04.SPA.bin activate commit The following line I confirm with Yes:Please confirm you have changed boot config to boo...

So, previously I had a static IP address I could point putty at that would SSH just fine. I verified the address in a Show Run form I copied two days ago, so I'm not crazy. The config was written to memory multiple times so it's not that.Today, after...

Switch A, Cisco 9300, VTP mode transparentinterface GigabitEthernet1/0/5switchport access vlan 3switchport mode accessSwitch B, Cisco 3560, VTP mode transparentinterface GigabitEthernet1/0/1switchport access vlan 3switchport mode accessVlan 3 (L2) vl...

Hi,I have been testing MST in my lab which has 3x Cisco Catalyst WS-C2960CG-8TC-L switches.I configured only MST and LACP on each switch and connected them in the ring topology. Test is to see how much time it takes for convergence in such conditions...

Hello,Pleased help me! I have configured macro auto execute on Switch C3560E as below but it does not work, The idea is that when a link change to up, the switch automatically assigns this link to VLAN 10, and then link down, switch removes this link...

Hi,I am trying to set up an SSH connection to my switch, but right now there is some lower level problem. I have set up my FastEthernet0 interface to ip address dhcp and the command show interfaces FastEthernet0 shows the correct address. Even if I t...

When I start the switch, the text BOOT FAIL C appears in the console and the gear indicator, the system, flashes orange, tell me what to do?

Hello,I did a factory reset in my cisco switch 9200L 48 PoE, but after doing that, it seems the switch require to install new OS and there is no copy OS in flash memory. When I try to connect external USB it doesn't respond. What should I do?Here is ...

On my Cisco 2960CG running 15.2(2)E10 when I run command show ip igmp snooping detail, among other things I see that IGMPv3 snooping (minimal) is enabled. Why is this feature called minimal? What is missing from normal v3? Is there any official Cisco...

I've a live instants where I've setup a monitor session on a stacked pair of C9200 running 17.09. CAT9K_LITE_IOSXE. Monitor session passed through another stack of 2* C9300-48UXM and 2*C9300-12 also on 17.09 CAT9K_LITE_IOSXE.Then into a VM host where...

Hello!I'm trying to configure a network which uses PAT, and access-lists in order to restrict the access to the webserver only to HTTP. What am I doing wrong? The browser keeps throwing me back with "Server reset connection."Also, in simulation mode,...

We're seeing a continuous string of the following messages on a 9407 running 17.9.5.  Eventually the switch crashes.  I can't find any info on what these messages mean exactly and whether we're looking at a software or hardware fault.  The supervisor...