We have three series of Cisco Catalyst switches (2960, 1000 and 9300). The 2960 and 1000 units don't appear to support TLS 1.3 (very annoying). On a recent scan, our 2960 and 1000 series switches show failing grades on the TLS 1.2 ciphers. However...
what is the purpose of switch cmd "ip tacacs source-interface vlan X(mgmt)"? Is it a must to configure or more secure ?
Hello,This case is urgent please.We have a stack of SWITCHESSome members of this stack are C9200-48PLThe others are C9200-48PXGThey all have the same current version 17.3.5The target version of the upgrade is 17.6.5 MDCould we go with the upgrade wit...
I have a broken C3650-STACK-KIT= module. Currently, the associated C3650 switches have SNT Smartnets. Question: Does my SNT Smartnet contract cover RMA replacement for my broken stacking module?
Hello Group-Members,it's really strange but since setting up new access-lists (I never used them before) I noted that the lists stops working after 24h after applying it on the interface. This happens on a C9200L with IOS XE 17.3.7 (and on an elder C...
Hello there,I'm starting to study for my CCNA and I'm working towards building a small home lab to practice (in addition to using packet tracer).I just got an old ME 3400 ts 24 and I wanted to play a bit with it while I'm in the market for another sw...
Hello,we have a stack of three C9200 switches.They are stacked in daisy-chain topology. We want upgrade the topology to ring topology.We need to install additional C9200-STACK-KIT (StackAdapter) to the first and last switch.Can it be done with stack ...
Hello,in this topology, configured HSRP + Ip helper-address to DHCP server in distribution switch. 1- when VPC10 send broadcast DHCP discover will go from access switch1 e1/2 and e1/0 to distribution switch 1 and 2.2- distribution switch 1,2 will sen...
Hello!Just I have upgraded some 2960S to IOS 15.0(2)SE from a IOS 15.0(1)SE3 and the catalyst don't switch any IPv6 traffic. Don't work any RA and also don't work any unicast IPv6 traffic from any interface. I can see some references to IPv6 changes ...
Hello everyone, We have some Cisco Catalyst 1000-24P-4G-l. We have IP based PoE cameras connected to these switches.One weird issue we have faced last week. On one of these switches, all cameras are not getting power. When I checked "Show power inli...
Hi all, I'm seeing intermittent "%L2FM-2-L2FM_MAC_FLAP_DISABLE_LEARN_N3K: Loops detected in the network for mac" errors on a Nexus 3548 (on 9.3(9)), in a vPC pair, connected to another vPC pair directly via L2 at another site. The switch is SITE2-CO...
Hello,I have been trying to solve this project assign to me which was provided in my network essential course.I am rather confused as to how to correctly construct my diagrams.How can I create a visual representation of the packet flow from my laptop...
Hi I need some help in understanding fan status of my switch. I have two WS-C3750X-24S-S in stack. Each of them have one power supply. Issue started when these switches were restarted few weeks ago. After restarting PRTG sensor for system health fan ...
Wanted to know if we can install 2nd power supply in Catalyst Switches while switch is on or should we power of switch
We have a third party company providing a 9300 switch stack for a solution on an air gapped network. We must use the licensing reservation feature to get the Smart License on the switch as there is no connection to the Cisco Licensing site.These swit...
