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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...

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amnavada by Cisco Employee
  • 9687 Views
  • 29 replies
  • 1 Helpful votes

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...

supunit21 by Level 1
  • 101 Views
  • 3 replies
  • 0 Helpful votes

Hi  we have four 9300L connect as stack, all switch have 17.15.5 IOS XE when I connect switchs we face high CRC and stack port up/down in switch/s there is issue in HW or image we use ?and if it HW how can port and cable is damage in same time ?

I`ve had an issue where whole site was loosing comms, when routers were back up - I could only see the MAC flap in the logs of one device between two switches on same vlan . My guess is STP issues ?

POE not working after update catalyst 9300 from 17.12.05 to 17.15.04i update too many switches with same model and same version , with no issues at all ,but only one  switch had a problem  , the POE  not working for all ports i belive that the issue ...

I have a C9400 switch with 4 C9400-LC-48U line cards, and I need to expand the network.  I only have C9400-LC-48H line cards available.  Will the 2 Line card models work together in the same switch?

PalkkiKR by Community Member
  • 80 Views
  • 1 replies
  • 0 Helpful votes

Hi GuysOur OT partner is installing Allen Bradley stratix switches powered by Cisco IOS, I have a few questions1.Do they run normal IOS-XE? anything different about them?2.Where would we get the software updates from?3.They are installing a fiber rin...

Hello everyone, I hope you're all doing well.I have a question about RSPAN on Cisco Catalyst 9200 and 9300 switches.I'm copying traffic from VLANs, for example, 10, 20, and 30, via RSPAN.The RSPAN transport VLAN is 100.I'm routing the traffic through...

nah-blas by Community Member
  • 363 Views
  • 4 replies
  • 0 Helpful votes

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 ...

Jonn cos by Level 9
  • 3713 Views
  • 5 replies
  • 0 Helpful votes

Switch detailscisco C9500-48Y4CCisco IOS XE Software, Version 17.12.04Cisco IOS Software [Dublin], Catalyst L3 Switch Software (CAT9K_IOSXE), Version 17.12.4, RELEASE SOFTWARE (fc3)Using 10G DACNAME: "TwentyFiveGigE1/0/1", DESCR: "10GE CU2M"A lot of ...

Hi everyoneI have some MS225's that are suddenly having issues with 802.3af CCTV's cameras, the device is requesting 16w however I am aware that AF is limited to 15.4w so I suspect that the switch is not happy.What I am seeing is the switchport has t...

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We have Catalyst 1000 switches at many of our locations.  For new locations, we are no longer able to install this model because it is EOS.  I found that the C1200 or C1300 switch are recommended as replacement models, but unfortunately they do not s...

xzevallos by Level 3
  • 208 Views
  • 3 replies
  • 0 Helpful votes

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...

grapevine by Level 5
  • 740 Views
  • 8 replies
  • 0 Helpful votes