I just upgraded cisco 3850 to 16.9.4. It was previously 3.6.x. I have been reading about the smart license. Is this mandatory and the device stop functioning? I understand the purpose behind the smart licensing feature. However, it's too much of...
Forum Posts
We are gong to deploy a lot of 9300 switches, I have the first 3. These will not have internet access when they are deployed.We are NOT using DNA-Advantage - we are happy using Network Advantage. Can I simply connect the switches to the internet at H...
Hi, I have a question regarding multicast on the stack-ring of the Catalyst 2960-S units. In a network where high bandwidth multicast traffic is used, we would like to make sure we understand how multicast traffic is sent across the stack switches ov...
Resolved! Community Ports on SG300
Hi All, I have an SG300 that I am trying to set up for some training sessions at work. Due to the software I am using, everyone needs to be on the subnet:192.168.0.X 255.255.255.0 Due to it being a teaching environment, I didn't really want people...
As the title says: I'm looking for a way to configure a network where, when a switch is connected it will automatically download a config from a TFTP server (I'm using two catalyst 3750s at the moment, with a windows device running the tftp server) I...
We recently upgraded a Catalyst 3650 from 15.2-2E6 (3.6.6E) to 16.3.9now in the old version we did not need to configure the default route, and it found the route via ARP requests, now with 16.3.9 this is no longer the case and configuring the defaul...
Hi, Im running into an issue where the flexible netflow on the 3850 is not working 100%. If i create a flow record and omit match ip address destination/source it works, however if i create and flow record with match ip address dest/source netflow an...
Hello, I'm having an issue where I have a WS-C2960-48FPD-L that I'm trying to join into an existing stack with other switches of the same model. All switches just went an IOS update to version 15.2(2)E7 so they're all running the same IOS. The swit...
Dear, I have a switch WS-3850-48T, version 16.6.5 (IOS - CAT3K_CAA-UNIVERSALK9-M). It was seted with MTU 9198, but my orthers access switches are seted 1500 MTU. I want to know, if change reduce the switch 3850 from 9198 to 1500 will there impact in...
Hi @Aliki since some week´s we have a strange error and no one can told me a sollution. So i will ask here ;-) I have Clients, Win 7 and Win 10 which losses randomly Network Connectivty. The LAN- Icon at the Client show the yellow exclamation mark...
Hello all,in CISCO book I found that CDP and STP protocol should not be sent over SPAN session. But when we implement SPAN session on 2960 switch and I see CDP and STP. I need to disable it as it is causing a lot of unwanted traffic.Thanks in advanc...
Resolved! Policy Based Routing and IP Helper
Can anyone help with an issue i am having with PBR and an IP Helper. I cannot get devices in the VLAN with the associated SVI to get DHCP addresses, there is no DHCP server in the VLAN so an IP Helper is used but whenever i enable PBR on the SVI, DH...
Hi, I am trying to find compliance certificates for specific Cisco gear that we sold. Where could one find such certificates to confirm that a product was tested\checked to comply? I need the certificates for these serials.SFCH2349Y03T SFCH2349Y03V S...
I cannot seem to get this working correctly. I am trying to get a Cisco 3850 to talking to a HP 5920 over LACP. When I go to ping between the two devices I get nothing. Cisco Configuration interface Port-channel4 switchport trunk allowed vlan 2,51...
Good evening everyone, wondering if someone can shed light on what might be happening here? Got a call from a server guy that after installing Windows updates on a server and rebooting, it's now showing a duplicate IP address/conflict in our data ...
