I have 4 stacks switch WS-C2960X connected to N5K-C5672 through VPC.and from 2960X side use LACP portchannel.CRC keeps increasing, only on connection to Nexus02, no CRC connection to Nexus01.I've tried changing SFPs, changing Ports, changing Cables. ...
Forum Posts
Hello, Flapping ports in my experience is normally to do with a loop or dodgy cable. Can someone back sense of this flap and why so many ports/mac addresses? This is from a 3750 the root switch which has a trunk to a 2960 on 2/0/11 and I see this fro...
Hi,I installed a new WS-C6509-E and shortly after was in Software-forced reload.The message is:%Software-forced reload15:19:28 UTC Wed Sep 21 2011: Breakpoint exception, CPU signal 23, PC = 0x425CEFF8--------------------------------------------------...
I know this could sound like a stupid question but, the combination of: - C9300 switch - C9300-NM-4G network module - 1000BASE-SX SFP - OM3 fibre connection works together right?
Hi All, please check if below configuration is applicable on Cisco Nexus 7000. I need to capture all traffic destined to port 80 and copy it to a server for further analysis. I decided to use ACL capture but not sure if this will work. monitor se...
Dear Friends, I am facing an issue with one my 3560-POE Switch (48 Ports). I am trying to use it for my Surveillance Camera connectivity using it via POE solution. The issue is that it only allows 24 random ports where I can connect 24 cameras only. ...
Resolved! IOS upgrade 6500 quad sup vss
Hello,we are upgrading IOS on WS-C6509-E in vss with redundant sup in each switch this weekend. I have never done this before on this type of environment. Also see attachment for issu, redundancy and bootvar details.It will be a great help if someone...
Hi, I hope you may be able to help us if possible, please... Would you be able to tell me what the MD5 Checksum should be, for the following CISCO IOS image (bin) file: me380x-universalk9-mz.156-2.SP5.bin Cisco web-site gives the MD5 Checksu...
I have some old 4506E switches with the old 6L supervisor going obsolete in 2020. It needs to be upgraded, and previously I had seen a retail price of around $7000 for the WS-X45-SUP8L-E.Recently while doing more research on this I see there is a dif...
I restarted my switch and to won't load IOS from flash. I had to manually use the command boot flash:XXXXX for it to load the IOS. I checked my config to make sure the boot comand is pointing to the flash. And I have "boot system switch all flash:xx...
QOS Nexus 92160-yc error when applying service-policy type queuing output IPN-8q-out-policy When trying to apply the following configuration on one of our interpod nodes a nexus 92160-yc policy-map type queuing IPN-8q-out-policy class type queuing c-...
Hi AllI have some questions around VXLANAre many people using it and if so in what is the most common scenario?They say you can have millions of vlans, I watched a video where they seemed to have a vlan to vxlan mapping?does the end switch see a vxla...
Hello Guys, Actually, I got success with my previous problem configuring Radius server for AAA and it is working. My problem is I had configured it in a test server and now as it is working in my test server, I wanted to shift it to one of the produc...
Hi, As per best practice I believe on your VPC Peer-Link you should be running LACP for better failure detection etc. Now as a general rule I always configure "lacp rate fast" when running LACP to help detect issues sooner and removed from the Port-C...
I'm not sure if this is expected behaviour or not. I discovered this while troubleshooting an intermittent network issue which I still haven't solved. Until it is solved, anything is suspect and this behaviour seems odd to me. Is there something wron...
