Switching

Resolved! Cisco 2960, no post, solid green syst... dead switch?

I have 2 - WS-C2960-24TT-L switches. Both are experiencing the same issue. Upon booting them up, all lights flash on the mode indicator panel, then it goes directly to a solid green "SYST" light. Nothing registers across the console cable. I have tri...

Non Root Switch uplink to Root Switch spanning-tree portfast is enable

Hi ALL,I had a pair of stack 2960X (priority 61440) Gi1/0/1 and Gi2/0/2 connect to the uplink interface of Root Switch.Both 2 interfaces are set "spanning-tree portfast" What happen if I config no spanning-tree portfast on this 2 interface?Will the u...

MacSec Switch to Switch via Radios

Hi everyone, hope you can give me your opinion about this.Have a customer that is being adamant that he wants MacSec enabled between the switches (Catalyst 9300), now the switches are connected to each via two Siklu Radios 80Ghz that provide 10Gbps.I...

4500e Supervisor 8E Upgrade IOS / ROMMON

Hi,I'm looking for some advise on upgradesI'm looking to upgrade my 4500e duel supervisor switch I'm confident enough with the OS upgrade process but I'm unclear how i can confirm what ROM MON i might need for a particular software release. The rele...

CMICR-4PS and LLDP

Why do the CMICR-4PS 15.2(8)E2 switches not show lldp in the config. This causes me issues because I have policies that look for the "lldp run" line to be implemented. It seems this line should also show up in the CMICR-4PS. xxxxxxx#sh run | inc ll...

Resolved! Cisco CLI Commands to Setting Up a Meraki MR 33 Access Points

I have 2 Meraki MR33 APs. I just want to verify what CLI commands do I input in the port interfaces to get them online. I have a Cisco Catalyst 3840 switch.

Setting up SFP+ on 9300-NM-8X switch

Hello, we are currently using the Cisco 9300-NM-8X switches that come with the SFP-10G-LR-X SFP+ fiber modules. We cannot get our connection to work without having to replace the modules back to a regular SFP module, GLC-LX-SM-RGD. Here is our con...

802.1x no-response vs. guest vlan

I don't have a problem with my config just seeking clarification on something. I noticed on the switch, I can do "authentication event no-response action authorize vlan XX" if there is no response from the client which I typically use to place the d...

Resolved! Cannot get 2nd 3750 upgraded in the stack

I'm completely stuck and have been at this for hours. I have a version mismatch, and need to get my 2nd switch upgraded to 15.x from 12.2. I have the bin file on both flashes. Flash and flash2. I've tried theboot system switch all flash:/insert...

Resolved! How do I get a .bin ios file on to a blank flash: on c2690x switch?

I formatted my flash: before I had a usable bin file to copy up or .tar file. Now I am at the switch: prompt and the usbflash0: and 1: don't like my usb stick that I formatted in my other c2690x. How can I get a file on the flash so I can boot from...

default gateway IP update using the gui

What is the step by step process to updating the default gateway ip on a cisco switch using the cisco web interface/gui

Resolved! SW_MATM-4-MACFLAP_NOTIF: 2 different AP bridges

Hello,I've a wireless bridge setup to connect two switches together. Ruckus APs are being used to bridg the core network to a C2960. We recently had an issue where one of the ruckus APs failed, so it has been decided to setup a secondary connection w...

keep installed licence on C3850 when make IOS upgrade from 16 to 17 ve

Hello All, I have a question regarding, how to keep the installed licence like DNA lic on C3850, when we want to make upgrade from IOS 16.x.x to 17.x.x?Thanks in advance!

Cisco 9300 ios upgrade issue

Hello ,When trying to upgrade the switch(9300) we missed to apply activate commit(install add file flash:bin)We see the image has been saved on all the stack members and packages are activated as well. How to proceed further ."SW# install activate co...

"ip_arp_sendrequest_internal" in debug arp

Dear Community,Does anybody knows the meaning of the following statement in the log after a debug ARP? I have tried to google and see nothing on the internet.May 17 04:52:56.980 UTC: In ip_arp_sendrequest_internal: ELse case using src: 192.168.10.10

Switching

Forum Posts

Resolved! Cisco 2960, no post, solid green syst... dead switch?

Non Root Switch uplink to Root Switch spanning-tree portfast is enable

MacSec Switch to Switch via Radios

4500e Supervisor 8E Upgrade IOS / ROMMON

CMICR-4PS and LLDP

Resolved! Cisco CLI Commands to Setting Up a Meraki MR 33 Access Points

Setting up SFP+ on 9300-NM-8X switch

802.1x no-response vs. guest vlan

Resolved! Cannot get 2nd 3750 upgraded in the stack

Resolved! How do I get a .bin ios file on to a blank flash: on c2690x switch?

default gateway IP update using the gui

Resolved! SW_MATM-4-MACFLAP_NOTIF: 2 different AP bridges

keep installed licence on C3850 when make IOS upgrade from 16 to 17 ve

Cisco 9300 ios upgrade issue

"ip_arp_sendrequest_internal" in debug arp

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add PVLAN to present trunk port

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cannot load ios in ronmon

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10G Module on Switch 3750 stacked