Switching

Discuss Catalyst brand switches with peers and experts.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Labels

Forum Posts

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...

IMG_1447.jpeg IMG_1448.jpeg IMG_1446.jpeg
amnavada by Cisco Employee
  • 9960 Views
  • 29 replies
  • 1 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
  • 805 Views
  • 10 replies
  • 0 Helpful votes

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 ...

enajin by Community Member
  • 56 Views
  • 2 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
  • 3774 Views
  • 8 replies
  • 1 Helpful votes

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, ...

KristianeAraujo_0-1781712355905.png
Translator by Administrator
  • 73 Views
  • 0 replies
  • 0 Helpful votes

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...

cmarva by Level 8
  • 38447 Views
  • 16 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
  • 279 Views
  • 8 replies
  • 0 Helpful votes

I have 2 DHCP pools on a cisco 9300 switch. I want to modify the pools to exclude specific ip ranges. Do I have to delete the pools then create the exclusions and then recreate the pools or can create the exclusions and simply reload the switch?

A Carty by Community Member
  • 123 Views
  • 2 replies
  • 0 Helpful votes

just to ask if ever the way of configuring the switches and router's will ever fade away since well there is a way to configure the switches and router via the scripts ,and that leave wondering if we have to know the programming language also or stil...

So I'm experiencing a challenge with 2 core switches in my environment. These are MS425 running the current firmware 17.2.2. The 2 are stacked and 1 of the switches experiences the reboots more often than the other. the CPU and memory are within the ...

tnkirote by Community Member
  • 708 Views
  • 7 replies
  • 0 Helpful votes

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...

Screenshot 2026-07-07 at 1.40.26 PM.png