Hello,we have two 6509E which are configured in VSS mode with the following modules in each: 1 48 CEF720 48 port 10/100/1000mb Ethernet 2 8 DCEF2T 8 port 10GE 3 4 CEF720 4 port 10-Gigabit Ethernet 5 5 Su...
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! STP Indirect Topology Change
Hello guys,I have some questions regarding a particular STP topology. This is related to 802.1d protocol.The topology is as bellow:I have shutdown the port between R2 and R1, so temporarily R2 has lost its root port.In this particular case, because o...
Hi,The Cisco 3600 series (3640) is hanged during booting proccess,the IOS is decompressed, but after some text it hanges and I even cannot go to user exec. I try the ROMmon and bypassing the config setting,but the result is still the same. any sugges...
Hi All,Need an urgent help, does cisco switch 3560 or 3750 supports MC-LAg ? if yes, then on what IOS? if no, then what are the devices which supports MC-lag?Thanks, Vikas
Hi,I am confused about the difference between the QinQ tunneling port and access port. Is QinQ tunneling port essentially the same as access port in terms of its operation??
Hi everybody.Let suppose our switch receives an inferior bpdu on its current root port. Our sw starts sending RLQ out of its all blocked ports.My question is how long a switch waits for a RLQ reply on these blocked ports ? ( obviously sw can not wait...
Hi guys need to validate something.I have two vlans i. One switch port one for voice and 1 for dataThe configuration is just a basic switch port access vlan 10 and switch port voice vlan 20. With auto qos. The physical connection is switch port >cisc...
Hi all,I have this weird setup on my network. I have 3 WAN point, 1 of them is T1 and 2 are DSL. Those 2 DSLs connect to the netgear router and from there they go to the cisco router and T1 connected to the cisco router directly. see below( T1)------...
Resolved! Cisco 6500 Fan Tray Upgrade
Hi all,I have a 6509 and have purchased a Sup32 and WS-C6K-9SLOT-FAN2 (to replace the standard tray - WS-C6K-9SLOT-FAN).Unfortunately when I try and slot the new tray in, there is a 1 - 2mm gap at the bottom and it doesn't connect with the back plane...
Resolved! C6500 bootdisk
Hi all For C6500 chassis, sup-fould like to know the dirrerence between supervisor engiene 720 sup-bootflash and sup-bootdisk?ThanksNoel
Hi All,Eventhough HSRP, VRRP and GLBP are redundant protocols, only HSRP and GLBP have port number, but not VRRP. Why?
Resolved! 3560CG failing to open ports
I'm becoming a real pest on here, haha. I have a number of 3560CG-8PC-S switches. My intention for them is to act as kind of gateway L3 switches - one for each satellite site. My thinking was simply to have an L3 device at the gateway to each of thos...
In the exams there are usually questions similar like "Which IP addresses are valid for hosts belonging to the 10.1.1.160/28 subnet" for this kind of problem I usually calculate the network and the broadcast address by adding the number 16 in this ca...
Hello, I encountered an issue while trying to boot Catalys WS-C4948-S switch. I power on the switch and I'm able to see the boot messages thourgh serial console cable. But it gets stuck at line "Image text-base: 0x1000000, data-base: ..... ". Also ...
Resolved! rstp scenaio
Hi everybody sw1f1/1------------------------------------f1/2sw2We just power on our two switches above.Sw2 happens to send first bpdu.Let suppose sw2 sends a bpdu claiming itself to be root, with proposal bit set, port role as " designated" port st...
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 |
