Hi Cisco Community,I’ve been troubleshooting SNMPv3 on a Catalyst 3850-48U-E (IOS 16.12.12) for Zabbix 7.0.1 monitoring, aiming for SHA auth and AES-256 encryption. Auth-only works perfectly, but enabling privacy (encryption) results in timeouts. Has...
Forum Posts
Resolved! STP working on core switches
Hi, I have two core Nexus 9K switches on which one is acting as a root bridge and obviously other is not. So what if i want to move the root bridge? Also i am planning on a switch upgrade on which is not a root bridge. Will that impact any services a...
I tested and I need LLDP on my edge switches, 9200 and 9300 switches, to negotiate and get the Extreme Networks 410C AP's to go from 14W (AF) to 30W (AT) Power. If I enable LLDP on the switch to active, will that affect anything else going on in the...
Resolved! Catalyst 1300 igmp querier
Hi, I'm having trouble configuring the IGMP querier function on a Catalyst switch 1300-48T-4G. It is for IPTV solutions. I must enable the querier on the 1300, where the multicast servers are connected. I have enabled it globally and per VLAN;The VLA...
So i have the following topology on eve ng-Ignore PEdge-1 and 2So i have hsrp setup on CEdge-1 and 2.Cedge-1 has higher priority and 2 has lower priority.Election takes place and hsrp is working as expected here as CEdge-1 is active and Cedge-2 is st...
Hi,Could anyone explain the difference between fixed hash-distribution and resilient hashing please. Based on the cisco documents I understand both as if a link is down, they just rehash the traffic on that link not others. How are they different the...
Resolved! C2248TP Image preload failed.
Hello I've updated Nexus 5548 from 7.0.8.N1 through 7.1.4.N1 to 7.3.13.N1. After updates only three of four C2248TP are Online, forth one is stuck in image download loop. Already restarted fex, changed SFP modules on both sides, changed ports on both...
Good day, We are about to commission 2 OT projects with the following switch architectures:1. A 16-switch fiber ring that is made up of 2 Cisco IE4010 switches and 14 Ruggedcom RST916C. L3 IP services have been procured for both Cisco IE4010 and the ...
I am dealing with the scenario where customers has multiple switches and they want that all the switches use different VLAN for RSPAN i.e SW1 Vlan 10, SW2 Vlan 20 and so on. I have sniffer connect to the main switch, is there any possibility to get m...
Resolved! ip dhcp snooping limit rate command
Hi ever body!The command " ip dhcp snooping limit rate" sets the number of dhcp request that can be received in a second.what happens if the rate exceeds the configured rate?Is this command only valid for untrusted port?Thanks a lot!
Dear Community members,I have a question on the following command on 9k Nexus switches but I could not find any documentation for it. Can anybody please explain me what it is and how it works or provide a reference for it please. Any guidance is appr...
Hi all,Recently I updated a 9300-24U from IOS 17.9.4a to 17.12.04.Normally I have found the update process to take 10-15 minutes for 9300s and then a further 10 mins to reboot after. What was different for this switch however, is that it finished the...
Hi all, I'm kinda to my wits end about this one, as I do know that NTP can be setup when you use express setup when the switch is new out of the box. However I can't find any source or material to change any of the configuration, like NTP, when the d...
Hi, I have this basic topology. I have a C2960 Cisco switch (to be replaced with a 9300 soon). I have 3xMR44 APs directly connected to this switch and a switch connected to SD-WAN. (no port channel) But it seems VLAN 2100 is flapping between ports F...
Hi We're having issues with SF300-48PP switch, it hangs and becomes not accessible from network, and during this "hang" the system LED blinks amber, after restart switch is accessible for some time and logs show %Environment-A-FAN-STAT-CHNG: FAN#4 st...
