Resolved! Catalyst 9300L and 9300LM Stacking
Since both, 9300L and 9300LM uses StackWise-320, is mixed stacking of 9300L and 9300LM switches supported?
Forum Posts
How / Can we enable netflow on trunk interface?
Hello,I am attempting to establish TLS syslogging in my environment, and I am somewhat unfamiliar with the intricacies of certificates. This page (https://community.cisco.com/t5/networking-knowledge-base/configuring-syslog-tls-on-catalyst-9000/ta-p/4...
Experts,I'd like to get your thoughts regarding mac address I/G bit and U/L bitI understand I/G Bit 0 - unicast and I/G Bit 1 = Multicast/Broadcast.What is the use of that?1) Does switch solely look at the bit and say whether "1" is there, then it wi...
Dear Team Facing the Issue in cisco router when ip add in interface found the Issue % IP addresses may not be configured on L2 linksRouter#show ip interface briefInterface IP-Address OK? Method Status ProtocolEmbedded-Service-Engine0/0 unassigned YES...
I'm almost done with this prjoect and I just found out that one of my workplace isn't working for some reason. I tried most of the things to figure out whats wrong with it but nothing changed.
Hello everyone, i will be stacking 2 C9500 in VSL stacking first time. I am still waiting for the hardware to arrive but i was wondering if anyone can share a video how to setup the VSL cables or what type of cables have to use? I can do the CLI conf...
Resolved! ACL question
Hi all, I'm fooling around with ACLs in my lab and had a question. I'm trying to use a standard access-list to permit only a number of hosts to another group of hosts over specific ports. I've created object groups and reference them in the ACL. When...
Hi,I need an expert to provide some real-world feedback, please.When I worked as a network engineer, in one company 99% of typologies looked like this:There were of course more VLANs but I want to show one (let's call it VAN9) - 192.168.9.0/24When I ...
I have a working configuration with data/voice switchports and IBNS 2.0 dot1x/MAB. I have enabled the device classifier and everything looks OK. Running the command 'show device classifier attached detailed' shows what I'm expecting apart from on i...
Hi all,I've observed a weird behavior in a FabricPath topology, running on a mix of N7K's and N55K's. The topology is pretty straightfoward, following the generel best-practice recommendations when implementing a FabricPath network. The network consi...
Does anyone know why the old Flexconnect config guides required the AP Management VLAN to operate as both the native VLAN and as a tagged VLAN? This no longer seems to be the recommendation in the latest guides.Old Guide for AirOS v7:https://www.cisc...
I had an issue in which my access switch trunk port got into err disabled.Then immediately shutdown and no shutdown the switch got working now. How do i check the logs for this? When I checked the logs history I am not able to find anything related t...
Resolved! C9300-48S switchport problem
Hello Everyone,This is the situation:We recently upgraded some C9300-48S stacks to IOS 17.9.4. No other physical or logical change was made on the network.Symptoms:After the upgrade, the ports are selectively down/down. The devices connected are desk...
Hi ,we have two core switches namely CORE 1(rstp root bridge) AND CORE 2 connecting to our SD-WAN platform via SDWAN-1 and SDWAN 2.Now we have another 3 switches (SW1,SW2 AND SW3) Connecting to both core 1 and core 2 but not SW4. SW4 Connecting to C...
