Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...
Hi GuysWe currently use Cat9300 TOR switches for our servers in a stack, the servers that plug into them use LACP to both switches in the stack for redudancy.The issue we are having is that if we do software upgrades, both switches go offline, we nee...
Hi everyone,I experienced an issue yesterday with a Cisco C9350-48T stack running IOS XE version 17.18.03a.The stack consists of 7 members. During the initial installation, I was unable to fully close the stack ring because the available stacking cab...
We had a link connected to a Nexus 9K and port configurations as follows.--interface Ethernet1/11switchport mode dot1q-tunnelswitchport access vlan 822spanning-tree port type edgespanning-tree bpdufilter enablespeed 1000no negotiate auto-- Then, we m...
Hi guys,I'm doing an installation of two buildings at a customer.1 building has a C9500 stack as core with C9200L switches as access.After battling some issues with the sticky 1-512 vlan thing and port-channel issues I was finally able to move to the...
Hello support.I have trunks ports configured between a catalyst 2960 and catalyst 9300.Qos marking is done on cat 2960. the mls qos trust dscp is applied on the 2960 trunk port.My concern is about the 9300 trunk port, is the cat 9300 by default trust...
Hello,I have a stack of 4 switches,C9200-L-24P-4X (2)and C9200-24P-4G (2)when I run the command show switch stack-mode; it shows the all members have a version V01 but the fourth one has V03.. so if i upgrade the stack using the install command woul...
I have a couple of Cisco 2960's sending syslog messages to a remote syslog-ng on port 514 (standard).I need to set another Swtich so it sends traffic to the same syslog server but on another UDP port (such as 714),, is that possible,?I cannot find th...
Hello,i am trying to conncet SFP-1G-SX on C9500-24Y4C-A but ports are going to error-disable each time i try. i connected on different switch also but same issue. i am getting below error. Switch Log: Transcceiver-3-Not_Supported: C1/0: imod: detec...
We have a stack of 3 cisco switches in stack connected to Palo Alto in HA in LACP etherchannelFirewall 1 has links to Gi1/0/23 and Gi3/0/11Firewall 2 has links to Gi2/0/23 and Gi3/0/13We have lacp rate as slow and configured lacp fast-switchover on i...
Hello everyone,I'm having trouble connecting a Huawei switch and a Cisco switch.The switches are connected via fiber optic SFP.I've completed all the configuration, but it's not working. On the Huawei side, the fiber optic port (Portchannel) doesn't ...
as you can see here im not able to see the text inside the router's configuration page , any idea how to solve this issue ?
Hi all. Dont know but i am confusing a lot in understanding the difference between the above two. By "over" what we mean ? which header comes first ? When i apply crypto map on physical interface with original IPs (of both ends) in crypto acl, is it ...
Hi All, Quick help (I think it is simple for ACI Specialists;). Please see the below topology.: ACI Main Fabric is built in São Paulo room and the customer needs to expand the fabric in new room which is 800m away from the Main ACI Fabric – same DC, ...
Hello!Since I currently don't have a gateway that can be configured via L2VPN IPSec, I wanted to try using MACsec. It seems like people are writing that it's possible and everything works, the provider shouldn't cut the eapol and transmit pure ethern...
just curious if anyone has seen this particular symptom. One, and only one, of our 9200s comes up with out of box config every time it reboots. after looking into it, the config register was set to 0x142, so it made sense and is easy enough to work a...
