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...
Hi all,I have locked myself out of the switch, more specifically, I can't enable. Every method of password recovery I have tried has failed. I do not know how to factory reset my two stackwise-enabled switches. I need a password recovery procedure th...
I'm trying to track down why our users at our SD-Wan location are only getting 2-3Mbps file copy/iperf speeds from their Spoke to our hub. For testing, I'm VPN'ing into the spoke location and am seeing the same things. While troubleshooting, many men...
Hi, I have three CBS220-48P-4G-SW1 configured with LAG uplink consisting of two port between each of those switches.When I try to enable LACP on those LAG I get an error code 387.Does anybody got this issue and figured how to resolve it ?
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 10.3.6.2 client-id 0100.1b00.4116.4dinterface GigabitEthernet1/0/15description Postage machineswitchport access vlan 6...
Hi We recently acquired a Cisco NCS 540 router and are currently facing some challenges with MPLS testing. Despite our efforts, we are unable to access the necessary MPLS commands on the device. This leads us to believe that the required features mig...
I was working with two L2 WAN links, one with a speed of 1G and the other with 10G. These links are connected to my L2 switch using a trunk interface. Is it possible for me to configure these links as a bundle using a port-channel LACP? Since they op...
Team,On this Te0/0/0.667 subinterface we have more than 200 users. so we set the PPPOE maximum session.After setting up PPPOE maximum session to 1000 , IPTV not connecting automatically and getting option SKIP or RETRY. after select skip IPTV getting...
I'm struggling to understand connectivity problem between a switch and firewall. The Nexus is located between the Core switch and the edge firewall. It's purpose is to divert traffic via ITD for content filtering. My problem right now is that I'm n...
Hi,I wonder which is the best way to monitor our DNA Center appliance. We have all our networking infrastructure monitored and we want to have DNA Center also under this tool (from SolarWinds). We usually monitor using icmp and SNMP. Is it possible t...
Hi, I have a site that has two C9500 as Cores and they have Dell Powerconnect 7024 ver 5.1.18.1 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. ...
DNA/Catalyst Center is a great tool for surveillance and managing the network. But why cant we connect Catalyst 1000 switches to the Catalyst Center ????????
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...
Hi,We have mGRE DMVPN tunnle between one Hub and 7 Spokes. Other 6 Spokes are working fine but one Spoke is not connecting to Hub.Spoke shows DMVPN on IKE state (tunnle is not working) and Hub is not adding nhrp entry in table.Spoke DMVPN TunnelPleas...
I have an intermittent internet cut off after around some days of working (5 to 10 days). The router becomes inaccessible by ssh. No ping also from internet and from inside. The architecture includes two switches (CBS350-48FP-4X) with Vlan1.We did no...