Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...
my 3750 doesn't boot....In attach the error log....Can this be fixed????Frank
Sirs,Good afternoon,Since 2 month ago we can not connect to switch 3560-48PS through console port.When we connect our PC to swithc console port and reload the switch we can see the reload process but after that the switch does not response to any com...
hi, I'm trying to configure a switch core 6509 with vrrp, with ios 12.2(33)SXI2a, I check my image in feature navigator and I know that this swicht support vrrp, however when I try to configure, this switch don't recognize the comands, and I don't kn...
I have an older 3560 switch that I think may have corrupted firmware and I would like to try reinstalling it. It seems that the software download center will allow me to download the image, but it also says that I agree to not download software for ...
Dears good morning!Look this topology!I need that lans Side and Side Cliente talk to with other! My problem is that a IPV6 address between routers! How can I do That?Thanks
Hello all,I've been working on this for awhile now and have tried different configurations but cannot figure out what I'm missing. It's pretty simple, I think...I have (1) 1841 router and (1) 2960 24 port switch. Ports 1-12 are on VLAN1 and ports 13-...
Hello,I've opened a new discussion because there was a old one not solved. PC connected to port boots, works fine. Output from "show mac address-table interface G4/0/14" lists the MAC of the PC. After a few seconds, the "show mac ..." command produc...
Hi,I have a broken C6503. It has no power at all, all leds are off in front and in back.Is the PEM broken or power supply in back?Br,Sami
I have (2) 6509 Core switches, (4) 4506 and (2) 4503 edge switches. Would like to upgrade to 10GB, provide redundancy (no single point of failure) and link aggregation (for maximum throughput).What supervisor modules should I purchase? GBIC\SFP's sho...
Hi,If I SPAN (port mirroring) on a large number of source ports or if I exceed the number of sessions, which may be the consequences for our equipments ?Typically, can the switch "crash" ? if so, what limits should I meet ?Thanks a lot
Hi all experts.When i issue "wr" or "copy running startup" it shows "Building configuration" and then waits for like few seconds, before returning me the prompt. Is there anyway to speed up this process ? i dont like to wait for "wr" to make me wait....
Im having a issue with having a full vmware cluster(3 servers) running on 6509 switches sup2 msfc2. The problem is due to the HA packets. From what i hear the issue is the ip payload is less then the udp length. The cisco nexus 7000 command is below....
Hi,My client has asked for assistance with their Cisco 800a series router. I am very new to Cisco IOS, but have been thrown in the deep end with this one.Router is an 837 ADSL router (I think) based on show versioniOS seems to be 12.3There is no CRWS...
Setting up tacacs for multiple CatOS 6509 switches, the TACACS server requires the source IP of the switch in order to authenticate properly. I think in general the source IP for a TACACS request would be the management IP set on SC0, right? What abo...
Hi eveyone, I have just tried setting up the Cisco Netowrk Assistant 5.6 on my Win 7 Enterprise 64bit (I know its not supported) and Win XP SP3 (unsure if its supported. The documentation says SP2...but surely thats not right??). I have approx 30 swi...
