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...
Forum Posts
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...
Hi all, I'm trying to update my 3850-24XU-L from 3.7.4e to 16.3.5b. Whatever I try (ios being copied from usb, tftp, even using the emergency-install etc...), the switch is not updating. I get following message when issuing the software install ...
I'm currently a student in high school working with routers in my networking class. I made a mistake and plugged the console cable into the AUX port when I was setting up the routers. Another student using the router performed the erase/reload comman...
Resolved! Level 3 switching
we have a C2960-48PST-S and are attempting to enable IP routing. However when we enter the command to enable IP Routing the system does not recognize the command. we have attempted to flash it to a newer firmware to see if that resolves the issue but...
Hello Everyone: There is problem,that is about catalyst 3850.the topoloy as below: array----c3850-----server(10.100.1.60) array connect to c3850 vlan30,and server connect to c3850 vlan 100,interface vlan 100 is server's gateway. array can ping c38...
Resolved! EtherChannel trunking variations
I've noticed there's a few different ways to configure a layer 2 etherchannel trunk. I was trying to understand which method follows best practices or is more preferred.method 1: configure the physical interfaces with trunk commands (mode, encapsulat...
Resolved! OSPF Virtual Link issue
Please look my topology.Before creating OSPF Virtual Link between R1&R2 , routing table getting inter area route (circle with red color). I understood with no doubt. The table belong to R2 Router. But, After creating OSPF Virtual Link between R1&R2 ,...
Hello, I have a weird issue that when one of my Port Channel comes UP on my 3850, the entire switch freezes for a few seconds. Basically, I have a two switch stack of WS-C3850-48U and six IE-2000-4TS-G-B connected via Etherchannel on ...
Cisco 9407R stucks at --- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no] switch is not connected to anything other than console. Restarted many times but it stucks at same spot.
