Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
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 V...
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, 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...
Resolved! MST load balancing
Hello to everyone I was practicing MST with multi-region, and I am quite concerned about how to perform load balancing in MST.SW-2's 0/1 is the master port for instance 1 and SW-2 is also the regional root if I want to make SW-3's 0/0 the master por...
Resolved! %SW_MATM-4-MACFLAP_NOTIF: flapping
Hi, Can someone help with VLAN flapping Issue, I have a topology like this: Router > Cisco SG300 > Cisco C2960 > Cisco SF300-24P a Flapping appear in sw c2960, SF300-24P actually passed c2960, but at SF300-24P not appear flapping and get error messa...
Let say we are using IOS-XE image 17.16.1 We applied aaa-new model (tacas for user auth) configuration and we forgot to create local user account and password on the device, then we reload the device. What are the rollback options: Knowing that rommo...
I have 2 cbs350-24t-4x switches configured in a stack.I can't log into management panel and so I want to reset the password.I saw video how this can be done for one switch (https://www.youtube.com/watch?v=NBq5AIE8plI) and I read the article https://w...
