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Resolved! VLAN protocol down

Hi all,On a multilayer switch, my VLANs are down. I have read other posts about what to do but I can't seem to figure it out. I have created VLANs for the interface VLANs but that didn't work. I have also reinstalled packet tracer as I read that cisc...

Mykematt by Level 1
  • 7 replies
  • 0 Helpful votes

I have a strange one. C9200 switch, 17.03.04b. Setting up a port for a postage machine. config as follows:ip dhcp pool cin-6address client-id 0100.1b00.4116.4dinterface GigabitEthernet1/0/15description Postage machineswitchport access vlan 6...

geocoles by Level 1
  • 3 replies
  • 0 Helpful votes

Hi, I have a site that has two C9500 as Cores and they have Dell Powerconnect 7024 ver connected with the Core, the issue we are seeing is that the uplinks are not coming seen by the C9500. Just wanted to ask if someone has seen this issue. ...

I am verifying an inventory for a client for which my company is upgrading the network equipment. I have a few serial numbers without the model number on my inventory and wanted to know how I can look up a device and get the model number. I do not ha...

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...

dxtrgerry by Level 1
  • 4 replies
  • 0 Helpful votes

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...

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...

limex by Level 1
  • 7 replies
  • 0 Helpful votes

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 ...

nyoni by Level 1
  • 2 replies
  • 0 Helpful votes