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
Hello I have five C3850. they have all the same configuration (except port configuration). I manage them trough the management interface gi0/0 I authenticate with a Radius On all the switches, i have configured Radius authentication . The authenti...
Resolved! ARP cache timeout on Cisco routers
Hello,I was reading a book on Cisco routers in which the author says : "The router resets the ARP age counter to zero whenever it sees valid traffic from the corresponding device. This ensures that the addresses of active devices are never flushed ou...
I have a number of Catalyst 3560-CX switches operating in Instant Access mode. They are connected to a pair of 6807-XL chassis / Supervisor 2T modules. I now need to connect 3 additional 3560-CX switches to a 6816-X-LE. On all documentation on C...
Hi, Trying to auto install Cat9300 via iPXE, using the below steps. Ref: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/169/b_169_programmability_cg/ipxe.html DHCP file used: subnet 20.1.1.0 netmask 255.255.255.0 { range...
I have a C3650 Catalyst Swich. It has deleted the IOS and this is the output below. I need help to reinstall the IOS. switch: flash_initInitializing Flash......The flash is already initialized.switch:switch: dir flash:Directory of flash:/80801 drwx 4...
hi all, i have a cisco cat 4510 switch and i have obviously opened too many telnet sessions opened to it so the only option is to hook up my laptop locally to the switch via console and kill the telnet sessions how would i do that please? cheers,rob
hi all, keep on getting this error when i plug in a cable into my cisco 4510 to another cisco 3850 switch i have untagged it ie made it into an access on both switch ends on vlan 250 *Mar 12 10:51:17.586: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1...
Device model :3850Issue : device loopback IP went unreachable after 5 minutes when we are giving show logging command We are trying to reach loopback ip address from outside but it is showing request timeout .
Resolved! Power Bugdet - PoE+ in 2960-xr switch
Hi, Could you answer me could I increase a power budget in 2960-XR switches buy adding an addtional power supply? for example: I have WS-C2960XR-48FPD-I switch which has a 24 PoE+ (30W) ports on standard 1025W AC power supply. When I will add a redun...
Hi,We want to create localuser to the catos 4003 switch but no success. does Catos switch support it or not? we also didn't find any commands such as "set localuser" in the command list. Is it because of switch version ?? attached is the version of t...
Hello Everyone, I am very experienced in networking, hoping I'm missing something stupid - but I can't seem to figure this one out. Really appreciate anyone taking the time to read through this. I have a 3560 I'm using as my core -- I have two VLANs ...
Hi, I need to create a non privilege user, but this user need to use all command SHOW. For authentication I must use radius server. Have you some ideas how can i configure it?
Resolved! Determine Network Module
Is there a easy way or command I can run to determine what kind of network module is installed on a network switch-mostly 3750s and 9300s? I did a sh ver and I don't know if any of that information will help tell me what I have already.
dear colleaguesi am with a doubt, about a question of the book CCENT/CCNA ICND1 of the author Wendell Odom third edition as depict: 5. PC1, with MAC address 1111.1111.1111, is connected to Switch SW1’s Fa0/1interface. PC2, with MAC address 2222.2222....
