Hello We have a curious bug on a two C9500-48Y4C connected on 4 vsl link with QSFP 100G LR4.No errors on link VSL, no errors on Dad link.All work good for 3 hours or 1 day and sudunly the activ member become and stay removed by redundancy switchover ...
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Forum Posts
Resolved! Cisco 3560cx poe max
Hello,We are using a cisco 3560cx to connect speakers and microphones. One of the microphones require a higher wattage to work properly. I read online that the max wattage is 15.4 watts, is this true? Or is there a way to get a higher wattage output....
Resolved! DHCP snooping
Hello we have a fairly large network of approximately 300 Cisco switches/routers. We are trying to improve security and were considering implementing DHCP snooping on each switch in our network (simply as a matter of good security practice) My questi...
What is the heat dissipation of the IE-3100-8T (not sure if the model will be the -2C-E, or the -4S-E) ??I am not using PoE.The power consumption is listed as 17.7W and 17.8W for each of the two models. There is a comment saying "2 Power Consumption...
Most Catalyst 9300 switches using 17.12.4 cannot communicate with CSSM either with proxy or not, it does not matter. All of them has last sucessful contact 10th November 2024. Wireshark traces shows that switch can successfully communicate with CSSM....
Initializing Hardware... System Bootstrap, Version 17.9.1r [FC13], RELEASE SOFTWARE (P)Compiled Thu 06/08/2023 20:36:25 by rel Current ROMMON image : PrimaryC9200L-24T-4X platform with 2097152 Kbytes of main memory boot: attempting to boot from [f...
How do you break the boot sequence for a WS-C3750v2? I have tried all the traditional methods.... CTRL-Break, Break, CTRL-Shift-Break, CTRL-Shift-F6. None of these key sequences to work. The switch is in a boot loop and I cannot break it.
Config on existing Cat65 VSS (to be replaced with Cat96): vlan 304remote-span!vlan 306remote-span monitor session 1 destination interface Gi1/3/12monitor session 1 destination interface Gi2/3/12monitor session 1 source remote vlan 304 monitor session...
9200 switch, the first eight ports cannot be used, unable to obtain IP address, the rear ports are normal, resetting the switch is invalid, to solve it?
Is there a way to get automatic information when 802.1x fails?From ISE or from switch?E.g. our older 2960x switches show "%AUTHMGR-5-VLANASSIGN" logs, so from there I could filter which switchports are assigned to failover VLAN.But I do not get such ...
Hello,I cannot ping the switch nor reach an ip destination from within it. My switch is on v3.4.0.17. pfSense manages my firewall and DHCP server. My default gateway is 172.25.1.1. I have 3 VLANs 10, 20, 30 - subnets 172.25.10.1, 172.25.20.1, etc.My ...
Resolved! I got a used Cisco Catalyst 2960-CX
I got this used Cisco Catalyst 2960-CX I've can't get into it as it's locked by an account that I was never given the username or password to it and I've tried to reset it but it doesn't seem to be resetting at all I'm not sure it because I'm doing i...
Hello,I have several questions regarding the CBS11-16T-NA (North America) network switch. Any help is much appreciated. Does the item utilize: A) Electronic AC switch consisting of optically coupled input and output circuits (insulated thyristorAC sw...
Hello guys,I have a C3850 with IP Services license (3850-48XS-E) which its current IOS version is 3.7.4. For solving an issue (A bug) I am planned to upgrade it to one of 16.12.X versions. But, starting from Fuji 16.9.1 Cisco One is the default licen...
Resolved! Update 3850 from 16.06.07 to 16.12.8
I'd like to update my ws-c3850-12xs from version 16.06.07 to 16.12.8. Do I need to follow an update path of different versions or can I simply upgrade to 16.12.8?
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