Switching

Resolved! Command rejected: Bad VLAN allowed list. You have to include all default vlans, e.g. 1-2,1002-1005.

Hi guys,Im trying to simulate a switch in Gns3 and i use 16ESW module in a cisco 3700 router.Can you please tell why im getting this record after i try to filter which vlans pass through my trunk port:Router(config-if)#switchport trunk allowed vlan 2...

Resolved! v-mismatch on H/W catalyst 9300

Hello everybodyI have a problem for stack switches that can't connect, the problem is v-mismatchnoted that the ios version is the same, but my question is:the system boot version is different, is that the problem cause? and how to solve also, the H/W...

Resolved! Catalyst 9200 trunk promiscuous

I have two stacked 9200 and i want to configure a private vlan trunk in promiscuous mode but i can not find how. Is this feature available on this model at all?

Resolved! Issues with transferring files from switch to TFTPd64

HelloI don't know if this is the right forum, but i recently switched to Windows 11 and ever since i have been having issues with transferring a file from a switch to my computer via TFTP, for example a config backup using the command "copy start tft...

Resolved! Computer Doesn't get IP from Core SW when the ACL is on

Hello All, I have a question, I built the following DHCP pool and ACL on the Cisco core. When the ACL is on the computer doesn't able to get IP address from DHCP but when I turn off the ACL it works perfectly fine. So here is the question when comput...

Is QoS needed at the Distribution layer (On two C9500K Stackwise)

Hello! I was wondering if I could get advice/input when it comes to QoS at the distribution layer of a network topology. Here's a high-level of our network topology.Soon to deploy two Cisco C9500k in a Stackwise HA configuration. It will have about 1...

Port Doesn't Continuously Broadcast MACSEC Announcements on Reboot

My Cisco Catalyst 9300 is configured to initiate a MACSEC connectivity association with other devices using a Pre-shared key (PSK). All parameters are correct in the sense that an association can be made and the encryption is done correctly when done...

Resolved! Show Inventory on virtual stackwise c9407r missing information

Question, We have recently installed multiple C9407R units in stack-wise virtual that are in production, both unit 1 and unit 2 are in the stack and passing traffic normally. When running a 'show inventory' it does not list all the installed transcei...

Resolved! Using C9300 as a ntp server

Can use C9300 as a ntp server? Thanks

Resolved! Unable to factory reset cisco 9300L switch to default settings.

Hello All,We are unable to reset our switch to the factory settings. Its a new switch out off the box that we configured (attempted to configure) and hosed it up. The factory default password isn't working user ID cisco and PW using the system SN. ...

ENCORE E-learning clarification question vLAN

Hello,As I am studiying for my ENCORE I am using the Cisco e-learning module. There I came across this part of a paragraph:"In the traditional network design, the distribution layer has two standalone switches for resiliency. It is recommended that y...

Identify the fans used in a Cisco Catalyst 9400 Series Switch

Hello. This is my first time using the Cisco community, so hopefully I don't screw it up. I'm trying to identify the specific fans used in a C9410R Cisco Catalyst Switch. The vertical fan tray on the side pulls cooling flow through the lower part ...

Resolved! Cisco Routing - routes in routing table, no connectivity

I'm setting up a network (see image) and the issue I'm having is that I can see the redistributed routes in the routing table of R1 and R5, but I can't ping to them. When I try to ping 2.2.20.2 (R2) from R5 it's doesn't work, I can ping from R4. Sa...