What is the differance between the GLC-GE-100FX and GLC-FE-100FX modules. I thought all SFP ports on switches were Gigabit ports and thus the GE version would be needed for 100fx connectivity. Which switches would you use each SFP in? In particula...
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Forum Posts
I am currently using Stackwise Virtual to connect 2 C9500 switches. I am now wondering what the difference between leaving the 2 switches connected via Stackwise connection or connecting them via vPC. The way I understand it is that they are now log...
Hi , I have a switch 3750 stacked , I don't have IP-phone some of my links get up & down repeatedly (I see this in switches 2960 too) Jul 1 10:24:12.159: %LINK-3-UPDOWN: Interface GigabitEthernet2/0/3, changed state to downJul 1 10:25:03.831: %LINK-3...
Hello, we would like to do a IOS update on a Cisco Catalyst 9200 stack.We would like to use the "tar" file (with Web management); currently the switch runs on a "bin" firmware without web interface.I have read some articles which are telling the upda...
Resolved! A little help with DTP
Hi All, DTP has flagged up as a vulnerability in our network but the ports are bundled in etherchannel. I apply switchport nonegotiate to the Port Channel and the command is accepted. However, when I try to apply it to the interfaces, it breaks the l...
Hi All, Recently a 3850 stack member switch reloaded with the following error logs. I am unable to find any bugs or a conclusive solution for the issue. Any help in this issue is welcome. Switch is running: Cisco IOS XE Software, Version 16.06.07 Jun...
Hi together, I've seen any problems with IEEE1588 PTP-Sync on my Nexus N9K-C93108TC-FX (nxos.7.0.3.I7.3).On some Ports (example: 1/45) won't PTP-Sync work. If i switch the PTP-Client on other Port (example: 1/43) the PTP-sync will work's propertly fi...
Hi, I have a Cisco N3K C3048 switch that is currently running in place and would like to export its configuration and imported into another (same model) C3048 to have it as a backup. Is there a special way to do this? I normally use TFTPd64 and putty...
Is it possible to revert to legacy style configuration after configuring the new style? and how do I do it safely?
Is it possible to change the timezone for the new style debugging commands, like these for example:# set platform software trace smd switch active R0 radius debug # set platform software trace smd switch active R0 dot1x-all debug # set platform soft...
Hello All !My question is simple and always about concepts ..How can explain in deep the difference between Multiple E-Line & Ethernet Tree Servicethanks
Setting up a stack of 9300s and when I try to enter the following commands I'm getting an error: SwitchConfig(config)#radius-server attribute 6 on-for-login-auth ^ % Invalid input detected at '^' marker. SwitchConfig(config)#r...
So i order a few used switches and they arrived as part of a stock. I was able to remove them from the stack by just issuing a renumber command but now even tho my running config shows the correct Gi1/0/X interface names when i need to work on them.....
Resolved! Nexus 5K to FEX 2200
hi,i need to configure a pair of nexus 5k (for vPC) and FEX 2200 modules.my question is, do i configure vPC first or the FEX? i saw there can be two approach (or are these two steps required?):1.using a direct ethernet interface2.using a port-channel...
Hi guys, I use Cisco Prime Infrastructure to manage devices. I would like to update Cat. 2960X with release 15.2.7E4. For security purpose the devices are managed over a dedicated IP address (It can either be a SVI in case there are several swtiches ...
