Hi all, I have a problem with my 1941, as it can't assign IP address via DHCP configurations below ip dhcp bootp ignoreno ip dhcp conflict loggingip dhcp excluded-address 58.71.90.1 58.71.90.20ip dhcp excluded-address 58.71.90.91 58.71.90.254ip d...
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
(764) -
Buying Recommendation
(336) -
BYOD
(1) -
C1000 cluster
(1) -
c3850
(1) -
c9200
(1) -
C9200-24P-E Support Contract
(1) -
C9500-16X
(1) -
Catalyst
(1) -
Catalyst 2000
(1,835) -
Catalyst 3000
(2,659) -
Catalyst 4000
(939) -
Catalyst 6000
(891) -
Catalyst 8000
(98) -
Catalyst 9000
(3,936) -
Catalyst 9000 Switches
(9) -
Catalyst Switch
(31) -
Cisco ACI
(3) -
Cisco Annual Internet Report
(1) -
Cisco Bugs
(25) -
Cisco Cafe
(93) -
Cisco Catalyst Center
(32) -
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
(20,179) -
LAN Switching and Routing
(1) -
License
(1) -
Meraki
(1) -
Meraki Switch
(171) -
Movilidad
(1) -
Multi-Domain
(1) -
Network Assurance
(1) -
Network Management
(108) -
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
(11) -
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
(21) -
Other Network Architecture
(1) -
Other Network Security Topics
(8) -
Other Networking
(25) -
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
(6,135) -
Other Switches Routing
(8) -
Other Switching
(74,990) -
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
(35) -
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! Gratuitous ARP problem
Hi, My Cisco 3750 Catalyst switch is my DHCP server and sometimes all clients getting issues of not getting IP address and when I check the show ip dhcp-conflicts, it shows there will be plenty of gratuitous APR request entry associated to an IP addr...
hi everybody, i have a problem with cisco 2960 switch, all ports of this switch continuously getting up and down, up and down, include uplinks port you can view video of this problem at attachment. what is the problem ?
Hello, I need some help. I need to create a new NAT rule on my Cisco but I only want to allow inbound connection (from the outside) from only my remote server :1.2.3.4A basic rule would be :ip nat inside source static tcp 192.168.0.99 9200 interfac...
I am going to dive into networking and after reading many guides and watching many videos I have some questions and I would like you to help me. Let's say that we have Layer 3 switches and we decided that we will divide the network in 5 different v...
Hello! I need your help. I configured a Layer 3 Cisco 3560 Switch with VLANs 10,20,30. Each VLAN has been configured to provide DHCP services. They are able to issue IP address to my PC’s but I don’t have internet and they are not able to ping each...
Resolved! Cisco 3650 Switch with VMWare Esxi 6.5
Hi, we are planning to use Cisco 3650 Switches (two C3650-24TD-S switches is stack) for connecting VMWare Esxi 6.5 hosts (VMware Esxi 6.5 installed on three fujitsu servers, VCenter 6.5 is installed and configured for high availability). we are pla...
Resolved! Designated Port Election
To remove the possibility of bridging loops, STP makes a final computation to identifyone designated port on each network segment. What is mean by "network segment" here?
can some help me I have these switches. which one I should use as a core switch or recommend another better model. 1. Cisco Catalyst 3560G 2. Cisco Catalyst 2960x 3. Cisco Catalyst 3650 In my network I have 40 switches with around 500 clients conne...
(I use boson netsim to simulate the lab) There are two router in this lab,router P1R1 and router P1R2,they are both configured using router protocol of ipv4 ospf and ipv6 ospf version 3.When I traceroute the ipv6 address of interface in P1R2 through ...
Hello, we have many interfaces on our access layer switches, each of them are connected with two devices, a phone and a computer and we found each of the interfaces with many mac addresses, some of them even with hundreds. The devices are not serve...
Hello all, im facing problems in configuring the AP, so i cant see the configure terminal command to enter global mode configuration and cant access gui. Does is related to any software IOS, releases or any thing else?
Hi, could you please help me to understand following, can we use Cisco 3650 Switch (WS-C3650-24TD-S) as a Layer 3 device in addition with Layer 2, we need to configure following. 1. Inter-Vlan routng. 2. Static & Default routing. Our Cisco Bill o...
I am looking into a new purchase. I understand that feature-wise both 6500 and 6800 are about the same, while 6800 has 10 times more backplane capacity. My primary concerns are reliability and platform longevity. Should 6500 even be considered in mid...
Resolved! 802.1x authentication violation restrict
Hello, I currently have all my ports configured with 802.1x and 'authentication violation restrict'. I understand this will only allow one PC and one phone to connect. My question is - within what time period does that rule work i.e. we often have us...
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 |
|---|---|---|
| 07-23-2025 01:45 PM | ||
| 07-08-2025 11:44 PM | ||
| 07-04-2025 02:13 AM | ||
| 06-26-2025 10:05 AM | ||
| 06-16-2025 07:47 PM |
Top Solution Authors
| User | Count |
|---|---|
| 13 | |
| 11 | |
| 9 | |
| 5 | |
| 4 |
