What is the easiest way to determine how 2 Cisco switches are connected via trunk port to determine a network topology for a tree network? I can see the switches with show cdp neighbors detailon both sides, but it's not clear which is the parent swit...
Hi friends,I work like a network administrator and 7 days ago I had a problem. I have a Catalyst 3560 C 500 meters away and it's connection has down . I checked fiber patch panel but I didn't see any problem. 5 hours later spontaneously, I saw proble...
Hello Team,I understand the management VLAN concepts with L2 switches - enable the SVI/IP address on the VLAN that you create specifically for it.When one utilizes L3 switches, which may typically have SVI on most VLAN's, how does one prevent users f...
Hello all, I just got this switch and I was setting it up I figured I just update it to the latest firmware version 2.5.8.12 for it. I went to the menu and I uploaded the new firmware and click on install and it took a very very long time on the load...
Hi , the start-ip doesn't complete on switch WS-C3650-24PS, just the following message appear's on the boot of switch : =~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2016.03.28 16:50:08 =~=~=~=~=~=~=~=~=~=~=~=@@@@@@@...++++++++++++++++++++++++++++++++@@@@@@@@@...
We are trying to migrate a network made up of three Layer 2 Switches running RPVST+ to running MSTP. The network operates fine using PVST. However, when we configure for MSTP we see that one of the ports in the network is disabled. If our understa...
Hi everyone, What does C9500 STACK log mean? Are there any Cisco documentation for this log? %HMANRP-6-EMP_NO_ELECTION_INFO: Could not elect active EMP switch, setting emp active switch to 0: EMP_RELAY: Could not elect switch with mgmt port UP Thank...
Think I figured it out. Please delete.
Hello. We have 2 switches cisco WS-C3850-24XS which are collected in the stack.Is there any ios command to switch off this stack without disconnecting cables.We need this for activation standalone mode on each device.
I purchased a few used switches and some of them look as though they were stacked by the previous owner. For example, I have two switches (on their own) display their ports as Gig2/0/1-52 on them. All the documentation I have found shows that you nee...
Hello, I have two 9500s running 17.03.04 currently stacked with SVL and i would like to remove the standby switch, move it to another building, then re-add it back into the SVL stack as a standby switch again. I moved all of the connections that were...
Hello,A WS-C3560V2-24TS-S Switch shows the following output after an unplanned shut down due to electrical issue:PLACEHOLDER HOSTNAME#sh env allFAN is OKTEMPERATURE is OKTemperature Value: 38 Degree CelsiusTemperature State: GREENYellow Threshold : 5...
Hi all, I got issue with customer that stated with STP issue. I'm not sure what is the root cause of this since the log is already 2 months ago The log shows the HSRP priority protocol also has been changed and STP port state also not stable. does th...
Hi folks, i needed some help with DTP configuration on my network that i’m working on. I just have not been able to get DTP to work and to be able to ping the other devices. The two base configs are linked below. I am trying to connect port fa0/14 fr...
Hi all,I have several ESX hosts connected to the same 9K switch. They are connected via 40g uplinks but when running iPerf tests I am only seeing a max speeds of 6/8gbps. Mgmt Vmk0 192.168.82.20 to vmk0 192.168.82.27 = 6.34 Gbits/sec VSAN Vmk2 192.16...
