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...
Switching
Discuss Catalyst brand switches with peers and experts.
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
- Cisco Community
- Technology and Support
- Networking
- Switching
Options
- Mark all as New
- Mark all as Read
- Float this item to the top
- Subscribe
- Bookmark
- Subscribe to RSS Feed
- Threaded format
- Linear Format
- Sort by Topic Start Date
Labels
-
2960X stack issue
(1) -
9200L Bundle Install Mode
(1) -
9300
(1) -
AAA
(7) -
Access Control Server (ACS)
(2) -
ACI
(2) -
ACI App Center
(1) -
AMP for Endpoints
(1) -
Announcements
(3) -
Application Networking
(1) -
Assurance and Policy
(1) -
Autres sujets de Commutation
(1) -
Autres sujets de Routage
(1) -
boot
(1) -
Branch Router
(765) -
Buying Recommendation
(339) -
BYOD
(1) -
C1000 cluster
(1) -
c3850
(1) -
c9200
(1) -
C9200-24P-E Support Contract
(1) -
C9500-16X
(1) -
Catalyst
(1) -
Catalyst 2000
(1,838) -
Catalyst 3000
(2,679) -
Catalyst 4000
(942) -
Catalyst 6000
(892) -
Catalyst 8000
(99) -
Catalyst 9000
(4,023) -
Catalyst 9000 Switches
(9) -
Catalyst Switch
(31) -
Cisco ACI
(3) -
Cisco Adaptive Security Appliance (ASA)
(1) -
Cisco Annual Internet Report
(1) -
Cisco Bugs
(27) -
Cisco Cafe
(93) -
Cisco Catalyst Center
(33) -
Cisco Digital Network Architecture-DNA
(3) -
Cisco DNA Assurance
(1) -
Cisco DNA Automation
(1) -
Cisco DNA Center
(2) -
Cisco Firepower Management Center (FMC)
(1) -
Cisco IE-2000(U) EIGRP vs EIGRP Stub
(1) -
Cisco ONE
(5) -
Cisco Press Cafe
(3) -
Cisco Software
(74) -
Cisco Spaces
(2) -
CISCO START ASEAN
(3) -
Cisco Start India
(5) -
Cisco SW
(1) -
Cisco User Groups
(1) -
Cisco.com Idea Center
(5) -
CiscoChat
(6) -
Cloud Networking
(2) -
Collaboration
(1) -
Collaboration Endpoints
(1) -
Collaboration Solutions
(5) -
Community Bug or Issue
(9) -
Community Feedback Forum
(130) -
Community Ideas
(59) -
Commutation
(2) -
Compliance and Posture
(1) -
Conferencing
(1) -
Configuration
(12) -
Contact Center
(1) -
CSC Content with No Valid Community to Post
(12) -
Data Center
(1) -
Data Center Networking
(3) -
Desk Endpoints
(1) -
Device Admin
(7) -
EEM Scripting
(5) -
Email Security
(2) -
etherchannel
(1) -
Firewalls
(1) -
General
(3) -
Guest
(1) -
Identity Services Engine
(1) -
Identity Services Engine (ISE)
(6) -
Industrial Switching
(1) -
Integrations
(1) -
Intent Based Networking
(1) -
iOS
(1) -
IOS issue
(1) -
IOS Version
(1) -
ios xe
(1) -
IP Phone and Accessories
(1) -
IP Phones and Accessories
(1) -
IPS and IDS
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
ISR 4000 Series
(1) -
LAN
(9) -
LAN Switching
(20,292) -
LAN Switching and Routing
(1) -
License
(1) -
Meraki
(1) -
Meraki Switch
(172) -
Movilidad
(1) -
Multi-Domain
(1) -
Network Assurance
(1) -
Network Management
(110) -
Network Security
(1) -
network stich issue
(1) -
Networking
(4) -
New Document Idea
(3) -
Nexus
(1) -
Nexus 7000
(1) -
Nexus 9000
(1) -
Nexus Dashboard Insights
(1) -
Nexus Series Switches
(3) -
NGIPS
(1) -
NX-OS
(1) -
Online Chat Support
(2) -
Online Tools and Resources
(4) -
Optical Networking
(12) -
Other Cisco DNA
(3) -
Other Cisco.com Ideas
(1) -
Other Collaboration Applications
(8) -
Other Collaboration Endpoints
(3) -
Other Collaboration Topics
(18) -
Other Community Feedback
(9) -
Other Data Center Switches
(2) -
Other Data Center Topics
(1) -
Other Identity Services Engine (ISE)
(1) -
Other IP Telephony
(1) -
Other NAC
(3) -
Other Network
(22) -
Other Network Architecture
(1) -
Other Network Security Topics
(8) -
Other Networking
(26) -
Other NGFW Firewall Topics
(1) -
Other NGFW Firewalls Topics
(1) -
Other Policy-Access Topics
(2) -
Other Routers
(6) -
Other Routing
(10) -
Other Routing and Switching topics
(13) -
Other SD-WAN
(2) -
Other Security Topics
(3) -
Other Storage Networking
(1) -
Other Switches
(6,182) -
Other Switches Routing
(8) -
Other Switching
(75,038) -
Other Wireless - Mobility Subjects
(1) -
Other Wireless and Mobility Subjects
(7) -
Peripherals
(2) -
Physical Security
(2) -
Positive Feedback
(3) -
Primary boot loader issue
(1) -
Prioritization
(1) -
Remote Access
(1) -
Room Endpoints
(1) -
Routing
(172) -
Routing Protocols
(11) -
SD-Access
(4) -
SD-WAN
(1) -
Security
(2) -
Security Management
(5) -
Security Policy-Access
(2) -
Small Business Network and Smart Storage
(1) -
Small Business Routers
(2) -
Small Business Security
(1) -
Small Business Support Service
(1) -
Small Business Switches
(36) -
Small Business Wireless
(1) -
Smart Call Home
(1) -
smart net total care portal and collector
(1) -
Software Upgrades
(9) -
Storage Networking
(4) -
Support
(7) -
Switches
(20) -
Switching
(34) -
Switching or Switches
(3) -
Swtiches
(3) -
Technical Documentation
(11) -
Technical Documentation Ideas
(1) -
UCCE CTI Protocol
(1) -
UCS Networking and Storage
(2) -
UCS Solutions
(1) -
Unified Computing System (UCS)
(3) -
Update Document
(1) -
Voice Gateways
(1) -
VPN
(1) -
WAN
(404) -
Webex Meetings
(1) -
Wi-Fi 6
(72) -
Wired
(5) -
Wireless Controllers
(1) -
Wireless Network Management
(1) -
Wireless Security and Network Management
(2) -
XR OS and Platforms
(3) -
YANG Development Kit (YDK)
(1) -
ルータ一般 (IOS & IOS-XE)
(1)
- « Previous
- Next »
Forum Posts
Resolved! PBR problem on WS-C4500X-32
Dear all,I configured a quiet easy PBR config for a test szenario, but it will not work. when I add a static route for an exmaple destination it works. So i guess the PBR is not working but I don't know why, also the debug didn't show me an error..Ve...
Hello,I would like to add a second supervisor WS-SUP32-GE-3B to a Catalys 6504 runnion IOS 12.2(33).Which is the best procedure in order to add the second supervisor ( all supervison will have the same IOS on board) with no outage ?Thanks
If I have a vpn site to site tunnel with only one host on each end, how do I block everything except those two hosts talking together and still use the vpn tunnel so that the data is encrypted?
We have several stacks of 3750 switches where this problem is occurring. All of the switches are running IOS version 12.2(50)SE3. (Yes, I know it's old.)We're seeing inconsistency in how the stack reports members when issuing the following commands...
Hi all,I want to know why assigned ports getting inactive after deleting a vlan,why these ports are not automatically take membership of native or default vlans? Please tell technical reason.Thank you.Sent from Cisco Technical Support iPad App
Resolved! Spanning tree question.
Hello community,I had a spanning-tree issue a while ago with 3 switches and I am cracking my head of why this happened. I need an explenation for future reference.I had a 3750 acting as a L3 switch and a 2960 trunked behind the 3750. All switches had...
Hello All,We were working on the OSPF flapping issue and found that reachability issue to one neighbour has caused instability of all neighbours.198.95.226.40 0 FULL/DROTHER 00:00:36 198.95.226.40 Vlan11198.95.226.51 1 FULL/DROTHE...
Server having 2 NIC and both are in same vlan not able to communicate with other server in same VLAN
Hello Team,I have connected server having 2 NIC on the switch ws-c3750x-2410.1.0.0 series is part of vlan 100and 192.168.2.0 is part of vlan 116Not able to ping these server each other. Please suggest ,her is the configuration.Building configuration....
hi all,i've encountered my 2911 router config got wiped out after installing PVDM-64 DSP module and a VWIC3-2MFT-T1/E1.when i did a sh inv and sh run i noticed the router hostname went back to Router and saved config gone.is this related to the insta...
Resolved! upgrading IOS on a stack
Hi,Is it possible to upgrade an image on a switch that is part of a stack without having to reboot the whole stack?Say for example if I have 2 3650s or 2 3750X switches in a stack and I only wanted to upgrade the IOS on 1 switch in the stack at a tim...
HiI have Stack of 7 3750 Switches. In that Switch 1 is master with 15 Priority and other switches are Member but because of some reason switch 1 rebooted and then Switch 2 becomes Master because it’s having 14 Priority. We have 2 uplinks which connec...
Hi All,i have a question about the automatic recovery after a failure that was detected by UDLD.Background: we are running dual ethernet circuits provided by a carrier between two remote sites. Both circuits are configured as across stack etherchanne...
Hi All,We have upgraded our 3750 switches from IOS 122-53.SE2 to 122-55.SE8.Since this update users from several vlans (not all) have issues renewing their ip address.For all vlans DHCP-snooping is activated.no ip dhcp snooping information option all...
Hi all,I have a 3750 stack with the following switches which I would like to upgrade.WS-C3750V2-48PS-SWS-C3750V2-48PS-SWS-C3750-48PS-SWS-C3750V2-48PS-SWhen I check the cisco software for these switches I see that the latest IOS for the 3750 is 12.2 5...
Hi All,We have a 3750x stack with connections which are negotiated on 1000mbit and other on 100mbit. We can see only on the 100Mb interfaces drops, not on the 1000Mbit interfaces.When we connect a laptop on the switch and fix the speed to 100Mbit/ful...
Learn, share, save
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide
Unanswered Topics
| Subject | Author | Posted |
|---|---|---|
| 11-02-2025 03:55 PM | ||
| 10-13-2025 06:41 AM | ||
| 10-06-2025 01:01 PM | ||
| 09-30-2025 07:09 PM | ||
| 09-30-2025 07:04 PM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 3 | |
| 3 | |
| 2 | |
| 2 | |
| 2 |
