hi i am getting a below error message in a 3560 switch%DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 172.31.1.2 (GigabitEthernet0/1) is down: retry limit exceeded%DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 172.31.1.2 (GigabitEthernet0/1) is up: new adjacency%DU...
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! IPv6 Unicast Address
The answer for the question below is 3.Why can't 4 be a valid unicast address?Which address is a valid IPv6 unicast address?1. FE90::1::FFFF2. FD80::1::12343. FE80::1:4545:6578:ABC14. FEA0::100::7788:998F5. FC90::::5678:4251:FFFF
We have been having network issues lately, and the only issues i see on our 4510R switch is with port flapping on a few ports.... my question to you is, wouldport flapping on a few ports cause the network slowness for everyone? for example data t...
Hi,I'm looking for ideas on weighting, tracking and priority for a scenario where we have a pair of 6500's in one datacenter and another pair of 6500's in another data center present on a single network segment (using VPLS) along with a pair of forwa...
Can someone please explain to me an inconsistency in the ICND1 Lab Guide concerning the calculation of usable subnets? I emphasize “usable” since Cisco does. Lab 4-3, Task 4 states that we are assigned the address space 192.168.111.0 /28. Q2 asks how...
Tuesday last week I was on my way to work and I got a call on my mobile from somebody asking where I was as the whole network was down. I was already making my way to our data centre building so decided that was probably the best place to be to look ...
Hello,I've a stack with 3 Catalyst WS-C3750G-24TS-S1U with IP Base software image.Now I need to use PBR and so I need to upgrade to IP Service image.I need to buy an upgrade for each member of the stack? Or I can buy just an upgrade for all the stac...
High-level current topology layoutTwo layer 3 3560 switches and two Cisco ASA 5510 firewalls.All four devices run OSPF.One firewall is the primary internet for outbound trafficThe other firewall is the primary internet for inbound traffic such as SMT...
Just wanted to bring back this discussion on manually setting the trunk parameters on two sides of a trunk and why it doesn't work.The first time I did it was between two 3560s, and it didn't work.Then I tried between a 3500XL and a 2960, and it didn...
HiI've got two WAN links (1G each) I'd like some multicast data i.e from some multicast groups, to primarily use WAN1 as their primary route and WAN2 as their backup, whilst at the same time all other traffic uses WAN2 as the primary and WAN1 as the...
I am trying to turn off snmp trap linkup linkdn statement on an individual cisco 3750 switch interface. I want to keep the global command active. How do i turn off just a single interface for this trap? It keeps poping up in HP openview as an alarm.
I have a total of (8) eight switches/routers that I need to wipe. None are connected to a network, and I am missing the cables that came with the devices.2 X Cisco 17001 X Cisco 25003 X Cisco 26001 X Cisco 28011 X Asanté IntraCore 3524I'll have each ...
I'm posting in this particular forum because it has to do with VLANs. If this is not the correct place, please let me know.I took over a network and am trying to create one additional VLAN to the topology. I have spent much time on this without suc...
Hi All,Could you please provide the information, what are the differences between Server Load Balancing Using IOS SLB Vs Catalyst Switches for Microsoft Network Load Balancing ?Thanks in anticipation.RegardsJagdev
Hello, I have an interface on a 6509 connected to a server that is reporting Pause Output Errors. This is the first time I have seen this type of error and I was hoping to find some suggestions on how to troubleshoot the problem. We have several hu...
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 |
