Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Resolved! Cisco C9300 Link Flapping
Hi there,im configuring a Stack of 4 C9300-48P and now i have the problem that my uplink starts flapping after around 15-20min.im really confused because of this behaviour and im trying to fix it since 3 weeks but it wont work.Im using Flexoptix GBIC...
Need to packet capture a vrf vlan interface for traffic what is the best way
Hello, let's suppose that I have a switch that needs a TACACS+ (for authentication on network devices) and a RADIUS configuration (for 802.1x), can I configure the switch to point to a singular server for TACACS+ and to point to two servers for RADIU...
Hello,I am not able to successfully download running config via scp from cat9300.$ scp cisco@172.0.0.1:/system/running-config backup.txtPrivilege denied.Connection to 172.0.0.1 closed by remote host.Please note: SSH into the box with same privileges...
Can we install NIM-2GE-CU-SFP on latest cisco 8300 series router as customer needs additional 1g ports to connect to wan
Resolved! Catalyst 3650 Switch
We are using Catalyst 3650 Switch for our internal testing and we wanted to know which PHY model is used in the Switch design for further analysis
When installing a new software version on a 9300 switch, a typical command is:install add file path:file.bin activate commitHowever, this requires some interaction (eg responding y/n) and it will be incomplete with out it. After which a reload is und...
Hello Cisco Community,I am experiencing a repeating issue with a stack of two Cisco Catalyst C1300-24XTS switches, used in a production network. Approximately once a month, stack of switches suddenly becomes unresponsive and freezes completely. The ...
Hello,We observed packet bursts on a couple of interfaces, cat 9300And we do also observe Hardware packet drops at TH2. And I am wondering:What type of traffic is buffered in Queue 0 - 7.What is the difference between Drop-TH0, Drop-TH1, and Drop-TH...
Dear FriendsI have created a campus network on GNS3 VM. I have 4 Access Layers switches which are connected with 2 Distribution Layers switches (D1 and D2). The 2 Distribution Layers Switch (Layer 3) are connected together through Etherchannel. I hav...
Hello all, Currently using two 9300L switches (17.12.03) and creating an ERSPAN session. I was able to get traffic mirrored from my source switch to my destination sw and it is showing up on my wireshark machine, but the tunnel shows up/down. ...
We have a setup with a FortiAuthenticator as AAA/RADIUS Server and a C9200CX-12P-2X2G switch running v17.12.06 for dot1x and MAB. We are experiencing issues with server "flapping" even though we have full connectivity. I ran some Wireshark, sniffing ...
Hi all, I am trying to configure NAT on Nexus9000 C9508 NXOS v9.3(12), but i don't see any commands supported for nat, i.e. "ip nat outside/ipnat inside" I checked a few articles and it turns out I need to allocate TCAM for NAT feature. Following is ...
We have an SSH session that is killing our core. I've tried clearing VTY0 but I get an error message. None of the searches I've done also shows a way to kill a PID on this core. Reload is also not an option. CPU utilization for five seconds: 100...
Hello, On a Cisco 3850 switch, I have an SVI (VLAN 2). When I do show run int vlan 2 Vlan2 is up, line protocol is up , Autostate EnabledHardware is Ethernet SVI, address is 00b6.70c4.e177 (bia 00b6.70c4.e177)Description: Vlan 2 - XXXXXInternet addre...
