hi all,so normally when i set up a switch(s) i always create a channel group first before i do anything (even if its just one port in the channel group) and when i want to add more ports to the channel group i doint 1/1/2,(any other ports or a range ...
Forum Posts
Dear Concern,I have connected a Cisco Catalyst series WS-C3560G-24PS-S switch to my network. I have installed 'The Dude' server to monitor the status of the equipment, and this switch is added to the server. The Dude server stops pinging this switch ...
Hi everyone,I have C3560X switch which is the current core, trying to add a new switch C3850-24XS via the trunk port. The link status is up, I can see the lights on both ports physically. But no communication between the switches via trunk port, no C...
Resolved! Error opening tftp (Timed out)
Hello,I installed a new router and trying to backup the initial configuration to our tftp server. But getting the error " %Error opening tftp://172.17.0.39/corporate-confg (Timed out)"I can ping the tftp server from router. There is no firewall in be...
The task is to set up a VLAN (200 and 100), it should look like this: I don't have any experience yet, can anyone tell me what I still have to do in my pkt file or what's wrong?: https://we.tl/t-NMAwOAVdfp
Why c9300x with C9300X-NM-4C doesn't work with 100gb sfp? speed sets automatically to 40G and 100G only works after upgrading to 17.13. It's very strange because I knew about it only after testing different firmware (with 17.9.4a 100g doesn't work to...
Hey Folks, I know very well the tiebreakers to elect Root Port and Designated Port, but I believe that the use of these ties differs between electing Root Port and Designated Port. Tiebreakers as follow: Lower Sender Bridge ID Lower Sender Port ID L...
Hi All,How to get the show tech-support output in a text file. It keeps moving. Can you please give some guidance to work with show tech-support command. Thank you,
Hello Experts,we are facing 9300 Facing High Memory utilization for our multiple switches running Code 17.3.3.Below are some Commands output=============Dec 27 04:11:48.282: %PLATFORM-3-ELEMENT_CRITICAL: Switch 2 R0/0: smand: 1/RP/0: Used Memory valu...
Resolved! Cluster and Active-active cisco
HelloVSS is a clustering technology, and we also have another type of load balancing in the network: Active-Active 1++ why the cluster is preferred by active-active design in the network ? difference ?2++what are the advantages and disadvantages of c...
I know what the datasheet says but I was wondering if some of you would mind posting the power usage metric for a Cisco Nexus 93180YC-EX. I have two arista 7050QX 32x 40Gbps and they run roughly around 150 watts half populated with LR QSFP and 1 LR Q...
Our Nexus won't boot after a power outage. Could not console in (no response) so I rebooted while connected and got what's appearing in this screenshot:Every support doc I've found involves having some level of console control, whether it be to gath...
Hello everyone, Can you help me, what should I do? I got log on my cisco like below: Line 1492:Dec 7 2023 09:36:27+07:00 ITOCHU-DS26-AI %%01SECE/4/PORT_ATTACK_OCCUR(1) [0]: Auto port-defend started. (SourceAttackInterface=GigabitEthernet0/0/1, Attack...
I've got a stack of three c9300 48P switches that refuse to expand the 17.09.04a IOS:BHS-CORE#$ switch all file flash:cat9k_iosxe.17.09.04a.SPA.bin auto-copy--- Starting install local lock acquisition on switch 1 ---Finished install local lock acquis...
I have typed in the following to attempt clearing the dynamically learned mac addresses:"clear mac address-table dynamic""clear mac-address table dynamic""clear port-security all interface""clear mac address-table"All of these commands result in "inv...
