Hiwe have about 8 labs each has 21 computers, some of the labs have unmanaged 24port Cisco switches and some have other brands.They are all connected to two Cisco 2960 48p switches. i am thinking of removing these unmanaged switches and try to plug a...
Hi all, On a couple of C9500 40x in VSS I need to replace the 10Gb VSL links with 40Gb links. So I need to go from here: stackwise-virtual domain 255 interface TenGigabitEthernet1/0/39 stackwise-virtual link 1 ! interface TenGigabitEthernet1/0/40 ...
Hello,Recently some of switches I have has been shown faulty issue on Fiber port.I have seen this kind of issue on both '3750X series and 2960X series', and issue is following: - Swithes are 48- Ethernet ports PoE + 4 Fiber ports - 3750X switch =...
Hello. If a specific interface is connected to the equipment I'm using and the desktop is connected, the network will be disconnected after two to three minutes and the Internet will be unavailable. I don't think there will be a big problem with the ...
I don't understand managed and unmanaged switches. Today, I noticed C1000 series switches are fixed-managed switches. Are these switches considered managed switches? What is the difference between managed and fixed-managed switches? And how many type...
I wanted to know whether Cisco WS-C2960X-48FPS-L with IOS 15.2(6) E2 supports any of the belowKey exchange algorithms:curve25519-sha256curve25519-sha256@libssh.orgecdh-sha2-nistp256ecdh-sha2-nistp384ecdh-sha2-nistp521diffie-hellman-group-exchange-sha...
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...
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...
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...
