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Forum Posts
HI, For my company I'm often asked to troubelshoot some packet loss inside a layer 2 network. In my lab, I'm trying to work out ways to diagnose possible packet loss on Cisco Layer 2 switches but I really can't find a way to show that a switch is dro...
Hi guys, Need your help. My customer configure their data vlan gateway on the Router1Currently I am installting the call manager and the new voice vlan gateway was set on the Voice Router. They are both connecting through a switch. The switch is C2...
Hello, We have a module FWSM Firewall Version 4.1(3) runing in a 6509-E switch. It is in production enviroment. We start receiving a warning message related to the utptime counter: ##########################Notification Type: PROBLEMService: Uptime ...
Hi, I'm facing an issue with two 4500 switches. It gives the following error " %C4K_ETHPOE-4-SUPPLYFAULT: Module 8 POE controller has been shutdown because of excessive power usage.". First all the line cards will go into shutdown mode then recover ...
hi,is it possible in the same L3 switch to have some ports doing switching and some ports doing routing.For exemple for 24 ports: 20 ports doing switching between some VLANs, and 4 ports doing routing each with a different ip towards other router in ...
Dear all,I've just realized that current switch models don't support multiple ingress queues in ports, while on older switches do. May anyone know what the reason behind it? My assumption would be that these new switches just doesn't have any bottlen...
Resolved! IOS Upgrade Question
So I really should know this but I am not confident in my assumptions. So I know how the numbering works with IOS versions but where is the line you have to use an intermediate version to get to your end version goal? So currently I want to go fro 15...
Resolved! Upgrade firmware of switches
hi guys,
Hi All,I need your help to understand about 6500 series supported USB drives and or USB drive formats.Recently I tried to copy the firmware image for SUP-8E from USB for C6507R+E VSS Switch. But when I check the directory usb0:, no usb were detected...
Hi, I'm building a network and have just been told by somebody that for some particular equipment we need to use jumbo frames. We're using 4x Cisco 3850 switches stacked, I've googled some example commands but they do not appear to be supported by ou...
I have a working C4506 with 2 UPOE Line cards and just added the X4748-SFP-E line card.The system shows the line card -- and I go configure it -- but the ports don't stay up.Normally, they are all populated with 48 GLC-MM-SX modules. sh interface for...
I have many WS-C4510R-E. On all other switches, I can enter the 'terminal monitor' command and get the status when an interface goes up or down. On the WS-C4510R-E, term mon doesn't give me this output. What is the command to enable interface up/dow...
Resolved! 6506 Upgrade VSS fro 15.1 to 15.2
Hello, I would like to have some confirmation concerning the upgrade of a VSS with 2 6506 (with one SUP card). I would like to upgrade from version 15.1(1)SY to 15.2.1-SY5. Question 1: I see that they are 2 different method (from more disruptive to l...
Good Afternoon, I have a 3850 that recently failed to boot after a building power cut. I tried to load the IOS from ROMMON but it continued to fail. I resolved the issue by booting an image from TFTP, then once the switch was back up I loaded a new i...
i have cisco WS-C3850-24S i need to know if its compatible with GLC-FE-100BX-D
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