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
Hey guys i need your helpI have a topology using RSTP, where one switch is the root bridge with priority 0. There are two loops connected to this switch, but while ports 3 and 4 are up, ports 1 and 2 stay down. Could you please explain what’s wrong?I...
Hello,I have multiple Cisco C9300s that I also use as a gateway with SVIs and BGP Routing. The switches are interconnected in a kinda ring topology with FortyGigabitEthernet interfaces. The setup works itself works.See topology image attached.Some of...
Hi experts, We are deploying 9200L switch stacks for a customer and are pre-staging before shipping to site. We have unboxed, stacked, configured, tested, un stacked and reboxed quite a few now and everything has gone great. However the customer now ...
Resolved! IE3300 MLS
Can anyone with a IE3300 with the network advantage license confirm that MLS is configurable?
why "ws" shows at the end of the part number while i am checking the serial number of C9200L-24P-4G-A in the cisco coverage checker site? when i checked there with the serial number it shows like "C9200L-24P-4G-A-WS".
Resolved! 9500 and Fortinet lost packets
Hello, I have core switches 9500 connected to Fortigate 600F Fortigate owns the layer 3. When there are just some few devices connected, all is working well however ,with more clients around 1,000 connected, we start to lost packets and the client en...
以下ご教示頂きたく、よろしくお願いします。Catalyst 9200CXseriesはDNAライセンス購入が必須でしょうか。ライセンス購入が無しでも利用可能か。（必要な機能はPoE++とL2機能です。）また、Catalyst 1000 seriesのreplacementとして利用適切であるか。
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...
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 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 ...
