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
Hi,I set up vlans, interface vlans with IPs, access ports, link aggregations and trunk on my Cisco 3172TQ.I also set up a linux machine as a test machine to check the configuration.If I send tagged traffic to the access ports of the switch, it seems ...
Hello, I would like to implement an ACL that would only allow returning traffic to the WEBTERM server ( initialised by the WEBTERM, no other traffic).The commands I used were :ip access-list extended REFLEXIVEpermit tcp any 172.16.30.0 0.0.0.255 esta...
Resolved! Configure DHCP server for VLAN
I am configuring a DHCP Server for a small VLAN.I have configured vlan 10 20 30 and trunk access for switch interfaces, activated fa0/0.1, fa0/0.2, fa0/0.3 as example belowint fa0/0.1 encapsulation dot1Q 10 ip address 192.168.10.1 255.255.255.0 ip he...
Hello forum! We're working on a migration from voice service to webex and the team handling that has requested i find the LLDP chassis mac address and port Id. I'm trying to do this in the cli and the sh mac-address-table command shows a myriad of ad...
Hello All,I have a Cisco 1121-4P router running IOS XE 17.9.4a and I dont see the channel group option under any of the 4 switchports. The option shows up in WAN port, but I would like to utilize two switchports for the same VLAN and keep it under th...
Good morning, On a Switch C2960X-24TD-L (UNIVERSALK9-M)(Boot loader C2960X), following a configuration error, I can no longer access the console in privilege mode.The only account available only allows me to access in user mode.I can't make any write...
Resolved! Subinterfaces and VLANs
I have a few general questions when it comes to my network. Maybe someone could even suggest how to name the topic of my question. But firstly, I'd like to introduce you to my network. The special thing about the network is that subinterfaces are con...
Hello What is the command to do the cleanup in flash . Below are the flasj files,i need to remove files which are unused. switch model is WS-C3850-12S 2 2097152 Dec 28 2022 11:54:11.0000000000 +00:00 nvram_config3 79110340 Apr 25 2015 12:31:27.0000...
after upgrade to leatest iso version the message %ILET-1-AUTHENTICATION_FAIL repeated the the switch stop giving IP address to users note the dhcp on windows server i downgrade it again but the same issue any ideas
Good dayI am thinking if the redundant power supplied can be achieved with supplying the switch with two different voltage rangesExample:DC-A to be connected 12 VDC supplyDC-B to be connected to 48 VDC supply
Hello I have a few Cisco switchs at my site, 37xx and 65xx's and they all auth to my network AD for access. I want to set up a local SSH account with Priv 15 on the switches as well for local log in incase AD is down or if for some reason the switch...
Pulled my new c1000 8 port switch out of the box, followed instructions for accessing the web gui, and am getting nothing on 10.0.0.1 and 10.0.0.3Cisco tech support has been about as helpful as getting repeatedly kicked in the balls (Had to create an...
Resolved! C9500 fan loud noise problem
hello,Hello. I bought c9500-24y4c-a model.firmware: 16.12.3config: factory default, no connect port our problem is fan operation noise is too loud.I know that it only makes a loud noise when booting, and it becomes quiet when booting is complete.I tr...
I am trying to set up a fail over port. Basically when port 1 goes down, port 2 activates. Older switches had a simple way of switchport backup, but that command is no longer an option. Can someone let me now which commands can achieve this
Attempted the power calculator tool but could not find the specified product. The closest product uses a 600W power supply which is different from the 125W power supply used by the specific switch. Can anyone help with this please?
