Hi board,numerous document state, that wireshark requires the dna-advantage (and network-advantage) license:https://www.cisco.com/c/m/en_us/products/software/dna-subscription-switching/en-sw-sub-matrix-switching.html?OID=otren019471https://www.cisco....
Forum Posts
Hello,I want to migrate from 2960 to 9200 with IOS 17.06.05In the previous configuration, I had thisenable secret 5 XXXXXXXX....enable password 7 XXXXXX.......So i do this :#enable secret 9 $9$..If I understand correctly, I no longer need to put enab...
Hi, a question regarding the two STP variants MST and rapid-pvst+. In a network running rapid-pvst+, if we reach the limitation with rapid-pvst+ instances (128 per switch), can we just use MST concurrently with the new set of vlans? Or migration from...
Not a comm guy but estimating a job where they're asking for this series of switches.They want a communication fiber line from the telecom closet to the switch. Can this swich accept a fiber connection and if so how many strand? Thank you.
Hello all,I have a bunch of switches C2960 at work and I can connect to most except 2. I can't even ping them. The thing is, I have the same setup procedure for all switches so I don't understand where I went wrong on this one.No SSH, no ping, no tel...
Hi GuysI am trying to move some software on a stack of 9200L-48P-4X switches from Bengaluru 17.6.4 to Amsterdam 17.3.6I have tried twice and it just boots up with the Bengaluru one, any ideas why its not working? can this downgrade not be done?cheers
Resolved! snmp traps
hi all,i have configured 4 snmp hosts in the catalyst switch as my NAC appliances for traps forwarding.i need to know how the cisco switch forwards the snmp-traps to several hosts ? is it the first host configured will serve all the request and forwa...
Hello thereI'm using 93180-FX3 chassis cisco switches and my NXOS is 9.3(9)I have connected SNMP of switch to my zabbix server. but there is a bug in SNMP data that is being sent. many spikes happen with the number of rx byte of every port. for examp...
Resolved! Excessive broadcast traffic patterns
Can anyone enlighten me on how hosts deal with excessive broadcast traffic? Do they all deal with them differently? From desktop PCs, laptops, servers, IoT devices etc. My understanding is that hosts will be interrupted to process these requests, so ...
When I run the below code getting the read timeout error, need expert adviceThings you might try to fix this:Adjust the regex pattern to better identify the terminating string. Note, inmany situations the pattern is automatically based on the network...
Hello,I'm in a class for Cybersecurity and in our week 7 project I'm having issues setting up DHCP. I reached out to the instructor and received some feedback:"You are having issues due to the server not being configured with appropriate IP settings,...
Hello, I’d like to ask two questions about Wendell Odom’s explanation of RPVST+/PVST. The relevant pages are 245-246. Can someone please help me figure it out? 1.He says:“* RPVST+ adds an extra type-length value (TLV) to the BPDU that identifies the ...
Hello ,when i plug in the GLC-LH-SMD (Cisco) in the ISR4321 version 16.06.04 i have an error Message and port disabled" *Apr 11 07:38:28.675: %TRANSCEIVER-3-INIT_FAILURE: R0/0: iomd: Detected for transceiver module in Gigabitethernet0/0/0, module di...
I have connected a Unifi AP to one of the ethernet ports Gi 0/1/2 on my C1111-4P router, however the AP doesn't appear to be powering up and no activity light on the port.Is there a config needed on the router to enable poe?
Hi,Two switch models, 9200l and 1000 series switches.9200l buffer size:6 MB buffers for 24- or 48- port Gigabit Ethernet models, 12 MB buffers for 24 or 48 port multigigabit models.1000 switch buffer size:The egress buffer is 1.5 MB on all Cisco Cata...
