Ask Me Anything Event Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, November 4, 2024 through Friday, November 15, 2024. Our colleagues Rohit Chopra, Vaibhav Aggarwal, Anuraag Majumdar, Saquib Zeya...
Forum Posts
I have a cisco C93180YC-FX that is flooding the following messages to our syslog server:%KERN-3-SYSTEM_MSG: [] lcnd_tah_inband_decap:<some number>:pskb_pull failed ieth hdr dropping error:0, ieth_hdr_sz:(16) skb-len:12,skb->data_len:0 - kernel%KERN-3...
we are looking at resolving a couple off issues and I am not really sure what is the best technology to use. I am hoping someone will help me by pointing me in the right direction. we are following the typical cisco 3 level architecture (core, dist, ...
Hello Everyone,I am currently experiencing packet loss on a trunk port from one switch to another. I am at a loss to determine what is the issue.Both switches are C2960X on ver 15.2(2)E5. VLANs match on both ports. Attached are pictures to help refer...
Resolved! Trunk Port DHCP
Hi all, I am in the process of moving all our Cisco FlexConnect Access points into another vlan. Currently, they are in the same as the switches. Th4e current setup we have is the AP is plugged into a cisco 3650 configured on a trunk port. It gets it...
Recently we updated our Nexus C93180YC-FX to IOS nxos64-cs.10.2.6.m.bin. Prior to the update I could access using secure crt, now I can't access with secure crt, have to use putty. I did a crypt key generate modulus 2048 and ssh key rsa 2048 force. ...
Hello,I work in a large secondary school and need to replace our current 6509 core switch. I have been looking at the 9400 with the following specs.1 x Cisco Catalyst 9400 Series 24-Port 1 Gigabit Ethernet (SFP) Line Card (C9400-LC-24S)2 x Cisco Cata...
I would like to ask if this switch can configure the Ctrl filed in the TTS stage to PAM4 Precoding ?
I mistakenly configured line vty Login local in my cisco switch without username but when i try to login the switch through telnet its asking username password tried CISCO, ADMIN but nothing works so please help what is the solution to login the swit...
Resolved! 2960 Upgrade Question
I have a 2-switch stack of 2960S boxes. I've manually copied the software to the flash of each of the two switches. I've executed the boot system command and it appears to have worked fine on switch 1 (the master) but switch 2 in the stack has the ol...
Hi all I have a StackWise Virtual setup with two Cat 9500-24Y4C running 16.12.x, where the virtual link currently is built from 4x 10 Gbps links. I would like to switch this now to 100 Gbps links, ideally without any interruption. The guide says I c...
Just as the title says: my switch keeps starting in ROMMON mode. It has configs and works, but where I am there are frequent power outages and I constantly have to go log into the switch locally to tell it to boot. Is there a way to make the switch b...
Greetings, I am currently creating a simple network design consists of Static Routing and Virtual Private Network. The tunnel between two routers works successful. Static Routing is configured on both sides however one router cannot reach the clien...
Resolved! OSPF Nexus 9k to Catalyst 3850
Hello!Tell me how to configure OSPF between 9500 and 3750g? There is no VTP domain on Nexus, but the vPC, SVI, OSPF is turned on, VLANs are created the same as 3750g, in general 3750g+3750x+Nexus is one network. All hosts connected to the Nexus are v...
Hello Members,We are currently experiencing flapping issues on our C9300 stacking switches. These switches are running Cisco Network Advantage licenses with evaluations that have expired.Currently, we are configuring the stacking mode, four Port-Chan...
Resolved! cbs 250 vs cbs 110
I have 2 CBS 250 connected via SFP fiber (gigabit network) and one of them is connect to another CBS 110 via SFP fiber (200mt distance). This last CBS 110 manages 11 IP Security Cameras, 6 PC and 5 routers wifi; after one year no issues at all, but I...
