LAN, Switching and Routing

The Cisco LAN, Routing and Switching Technical Support Forum gives you access to participate in tech discussions and go through documents on Cisco LAN Switch, LAN Router, VLAN, Cisco Catalyst, Catalyst 6500, Catalyst 3550, Jabber Client, Nexus 7000, and other related issues. You can browse through latest tech topics popular among the community.

 

Provide answers to questions in this community that are awaiting a correct answer.

I have about a dozen 3560X closet switches running IOS 15.2(1)E.  These switches are configured for DHCP snooping, DAI and port-security since goin...
2 hours 55 min ago
Dear Member, I m trying to setup a network with few second fail-over with Cisco 3850 stack, C3850 support SSO and NSF on OSPF.However, when the Mas...
3 hours 22 min ago
in document suggest ARP timer < MAC timer. but i think there is still a problem.IF remote Host disconnect from remote switch , and remote switch...
by fly
8 hours 58 min ago
in document suggest ARP timer < MAC timer. but i think there is still a problem.IF remote Host disconnect from remote switch , and remote switch...
by fly
9 hours 31 min ago
Dear All,We are participating in a requirement shared by one of our clients. Can you please guide me as to which Switch will best meet the followin...
10 hours 22 min ago
         
IP SLA 327 3 0 0 0
Routers 2 0 0 0 0
Switches 6761 571 6 1 0
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Subject Viewssort descending Votes Rating Replies Last replied by
discussion Running Config Kron Occurrence Day Issue
Last Reply 1 month 1 week ago.
27 0 0.0 1 Smitesh Kharecha
discussion Multicasting over 3750 stack (stub setup)
Last Reply 1 week 2 days ago.
15 0 0.0 1 Paul Driver
discussion Subnet issues
Last Reply 7 months 2 weeks ago.
10 0 0.0 3 JosephDoherty
discussion IPv4 Subnetting
Last Reply 7 months 2 weeks ago.
7 0 0.0 3 Cadet Alain
discussion IPv4 addressing
Last Reply 7 months 2 weeks ago.
1 0 0.0 4 Harold Ritter
discussion Cisco Nexus 7k cli and snmp user synchronization
Last Reply 7 months 5 days ago.
5 0 0.0 0 avvotyakov
discussion Working with ICMP
Last Reply 1 month 1 week ago.
20 0 0.0 1 Smitesh Kharecha
discussion Cisco switch cable diagnostics is in " Not completed" state
Last Reply 6 months 2 days ago.
11 0 0.0 0 safwan786
discussion DHCP Lease Time
Last Reply 1 month 1 week ago.
67 0 5.0 1 PARVESHPALIWAL
discussion im dying to solve the asa issue with internet site to site !
Last Reply 1 month 1 week ago.
70 0 0.0 3 Péter Költl
discussion Bandwidth from Access Layer to Distribution Layer
Last Reply 1 month 3 days ago.
113 0 5.0 6 jason.jackal
discussion Cisco 3560 and how to mac based 802.1x authentification
Last Reply 1 month 6 days ago.
28 0 0.0 0 sfanayei
discussion need tools for calculating redundancy delay
Last Reply 1 month 1 week ago.
18 0 0.0 0 Ahmed Alzaeem
discussion NAT Error Message: %Port 23 is being used by system
Last Reply 1 month 6 days ago.
126 0 0.0 1 simplifiednetwo...
discussion Need assistance in Selecting a Distribution layer switch according to certain specs
Last Reply 1 month 1 week ago.
69 0 0.0 2 jeffrey2890
discussion cisco 3560 cg (change management vlan)
Last Reply 1 month 1 week ago.
52 0 5.0 3 Leo Laohoo
discussion 2960 Accessing problem- continous @ with no control
Last Reply 1 month 6 days ago.
38 0 0.0 2 mohamedghareeb1983
discussion How to configure a Cisco 3560 with MAC-based 802.1x authentication by radius server
Last Reply 1 month 1 week ago.
26 0 0.0 0 sfanayei
discussion question in asa default rule that say "any less secure network"
Last Reply 1 month 1 week ago.
70 0 0.0 2 Ahmed Alzaeem
discussion Cisco 6509 with 10G Module
Last Reply 1 month 3 days ago.
111 0 0.0 7 JosephDoherty
discussion WS-CF-UPG-1GB= Upgrade for 6509-E Switch
Last Reply 1 month 6 days ago.
39 0 0.0 2 farhan_ali
discussion How to configure Routing IS-IS optional metric?
Last Reply 2 weeks 5 days ago.
138 0 5.0 6 aldindha17
discussion WS-C4500X-32 switch SSH Issue
Last Reply 1 month 1 week ago.
32 0 0.0 1 Dragan Ilic
discussion Wism-2 paired with IDSM-2 Config Help
Last Reply 2 weeks 1 day ago.
13 0 0.0 1 Leo Laohoo
discussion Cisco Router 1941 Configuration
Last Reply 1 month 6 days ago.
55 0 0.0 0 prompt2k2
Filter Results
Subject Viewssort descending Rating Comments Author
What's New on Cisco Catalyst 6500 Series? - Slides from live webcast
Last Reply 3 weeks 1 day ago.
277
5.0
0 rimichae
Fortify Your LAN with Cisco Catalyst Switching - FAQ from live webcast
Last Reply 1 week 23 hours ago.
39
0.0
0 Anim Saxena
Fortify Your LAN with Cisco Catalyst Switching - Slides from live webcast
Last Reply 1 week 23 hours ago.
122
0.0
0 ciscomoderator
What’s New on Cisco Catalyst 6500 Series? - FAQ from Live Webcast
Last Reply 3 weeks 1 day ago.
59
0.0
0 ashirkar
software, hardware and Licensing requirement for 4500 VSS
Last Reply 4 hours 34 min ago.
3
0.0
0 fumohamm
test-alpai
Last Reply 3 years 8 months ago.
0
0.0
0 Alexander Pai
Fixing Partition Backbone Area with Virtual Links
Last Reply 3 years 3 weeks ago.
2
0.0
0 Thamaraiselvam Santhanam
otv.php.html
Last Reply 3 years 2 weeks ago.
1
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0 bvemula
Troubleshooting Spanning Tree Best Practice.
Last Reply 3 years 2 months ago.
4
0.0
0 acui
Troubleshooting high CPU on a 6500 with sup720.docx
Last Reply 3 years 1 month ago.
29
0.0
1 Adam Casella
CCP installation on Windows 8 & 8.1 with IE 11 x64
Last Reply 1 month 1 week ago.
127
0.0
0 jportugu
Help:C4900M WS-X4908-10G-RJ45 interface shutdown/no shutdown need to how long to wait?
Last Reply 1 month 2 weeks ago.
53
0.0
7 gggggqqqqq
Chalk Talk: The Secret to Successful QoS Deployments
Last Reply 3 weeks 6 days ago.
881
0.0
0 szigeti
Duplicate ping replies from servers using HSRP virtual address as gateway
Last Reply 2 weeks 5 days ago.
136
0.0
1 tmikelson
Microsoft network load balancing basics
Last Reply 2 months 1 week ago.
147
0.0
0 Vivek V
Authenticate with PAP and avoid CHAP. PPPOE PPPOA Cisco 881 router
Last Reply 3 months 6 days ago.
114
0.0
0 dalyphilip
Запрет на получение IP адреса для хоста от DHCP Cisco 2921 по MAC адресу
Last Reply 2 months 1 week ago.
129
0.0
0 saliy1963
[help] Test environment? Installing Cisco 1941
Last Reply 5 months 3 weeks ago.
93
0.0
0 WoodsieLordShab
small learning & education infrastructure
Last Reply 1 month 3 weeks ago.
159
0.0
0 Lucas Rojan
Cisco_router1941w connection.png
Last Reply 4 months 3 weeks ago.
107
0.0
0 INCSallen18
LAN Configuration
Last Reply 2 months 3 weeks ago.
188
0.0
1 leandro11603
How to find the physical location of stack members in 3850 stack.
Last Reply 2 months 3 weeks ago.
158
0.0
0 fumohamm
NAT overview diagram.vsd
Last Reply 5 months 2 weeks ago.
137
0.0
0 fredluneau
Load Balancing in OTV
Last Reply 4 months 1 day ago.
147
0.0
0 gabriel.ybarra
may be a ios bug with my cisco NX7010
Last Reply 8 months 2 weeks ago.
140
0.0
0 enter_door
Filter Results
Subject Viewssort descending Rating Comments Author
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 3 weeks 6 hours ago.
27
0.0
0 Julie Burruss
blog What can be done about WAN packet loss and its impact on WAN application performance? - shared by Bharat Shrinevas
Last Reply 5 days 2 hours ago.
11
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0 bshrinev
blog What can L2TP do for your network? - Network World - shared by Rachana Pandey
Last Reply 1 week 3 days ago.
2
0.0
0 racpande
blog Flexlink in Cisco Layer 2 network
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3
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0 jakula
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 4 months 1 week ago.
669
0.0
1 ramugaju
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 week 3 days ago.
681
5.0
2 srereddy
blog Pre-build SPT feature on Nexus - Benefits & Caveats
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906
5.0
0 srereddy
blog About "TestErrorCounterMonitor" in 6500/7600
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1235
4.7
1 ag2
blog Switch: How to test a cable status?
Last Reply 4 weeks 23 hours ago.
1684
5.0
3 ag2
blog Cloud Computing: Update ITU-T Focus Group and OMG-Hosted Telecom Cloud Conference
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1554
0.0
2 mmorrow
blog Upcoming Webcast: Troubleshooting Tools to Analyze High CPU Utilization Issues on Cisco Catalyst 6500 Series Switches
Last Reply 2 years 3 months ago.
1641
0.0
0 ciscomoderator
blog How to build the topology of an OSPF area
Last Reply 8 months 4 days ago.
1766
5.0
4 aninchat
blog Moving Beyond the Internet of Things in 2012
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1699
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0 mmorrow
blog Parity Error.
Last Reply 8 months 3 weeks ago.
1972
4.5
4 insharie
blog Machine-to-Machine Communications as a Subset of Internet of Things
Last Reply 2 years 8 months ago.
2091
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0 mmorrow
blog Converting IOS to CatOS in Production Switch
Last Reply 2 years 9 months ago.
2308
3.0
6 Tripat Singh
blog From Internet of Things to Web of Things
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2539
0.0
0 mmorrow
blog FabricPath: Cisco’s New Technology of Extending Layer 2 Network Without Spanning Tree
Last Reply 3 years 2 months ago.
3057
0.0
0 TS-newsletter
blog MPLS Conference 2010 and Cisco Leadership
Last Reply 3 years 5 months ago.
3101
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0 mmorrow
blog Multicast for the heart Part I: IGMP
Last Reply 1 year 4 months ago.
3240
4.8
1 aninchat
blog Troubleshooting L2 issues - ARP Poisoning
Last Reply 2 years 3 months ago.
4120
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4 rparames
blog Important Nexus 7000 NX-OS Software Update
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0 ctripoli
blog New Cisco 5915 ESR
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4109
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2 sonasing
blog The best CCO document link for Peer-Gateway on vPC/Nexus7000
Last Reply 3 years 3 weeks ago.
4491
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0 kyukim
blog Configuring a frame-relay switch
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4732
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6 aninchat
Filter Results
Setup a temporary package for 1 subscriberEnable TUR RDRs for that packageAccess some content through the SCECapture the RDRs to the CSV...
LAN, Switching and Routing
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Speaker:Vinay Sharma
LAN, Switching and Routing
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In this video our Technical Experts Aninda Chatterjee & Karthick Murugan has covered following AGENDA:1) IOS upgrade2) High CPU3)...
LAN, Switching and Routing
Views: 424
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During the live event, Cisco subject matter expert Vaibhav Katkade covered the various security features available on Cisco Catalyst...
LAN, Switching and Routing
Views: 66
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In this video our experts Manas R Moothedath & Sumit Kothiyal has covered following topics.NAT – A Practical approach1) Basic working...
LAN, Switching and Routing
Views: 123
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During the live event, Cisco subject matter experts Richard Michael and Somu Jayaraman focused on troubleshooting switching issues with the...
LAN, Switching and Routing
Views: 65
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Souvik Ghosh is a CSE at the Cisco TAC in Bangalore, India. He has 3.5 years of experience in LAN switching technologies. LAN switching...
LAN, Switching and Routing
Views: 201
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AgendaIntroduction to Catalyst 6800 Series Catalyst 6807-XL OverviewCatalyst 6800-X OverviewCatalyst 6800IA OverviewOverview of Virtual...
LAN, Switching and Routing
Views: 140
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Average Rating: 5 (1 ratings)
In this video our Technical Experts Aninda Chatterjee & Karthick Murugan has covered following AGENDA:1) Spanning-tree features – how...
LAN, Switching and Routing
Views: 273
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In this video, we will learn on how to perform a software upgrade on VSS with Quad Supervisor using the Enhanced Fast Software Upgrade...
by vbhutta
LAN, Switching and Routing
Views: 168
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Average Rating: 0 (0 ratings)
Community Tech-Talk series is designed to discuss and share insights on specific topics, selectively chosen based on most-common...
by rucjain
LAN, Switching and Routing
Views: 126
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Average Rating: 5 (3 ratings)
In this video we will see an example of how to configure InterVLAN routing on a Cisco catalyst 3550 series switch.
LAN, Switching and Routing
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LAN, Switching and Routing
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Galen Guanlin Zhang is a certified, Data Center expert and Data Center Storage Networking Design Specialist with Cisco. In this video,...
LAN, Switching and Routing
Views: 293
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Average Rating: 5 (2 ratings)
Software DownloadWith Oscar BauerOscar Bauer, Cisco's Manager of Technical Support Software Downloads, takes questions on Cisco's Software...
LAN, Switching and Routing
Views: 153
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This Month

April 1st
Webcasts
During the live event, Cisco subject matter expert Vaibhav Katkade will cover the various security features available on Cisco Catalyst switching plat...
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March 31st
Ask the Expert
 Welcome to this Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about how to fortify your LAN...
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Events

March 11th
Ask the Expert
  Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to ask questions and learn about troubleshooting switchin...
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March 10th
Webcasts
With Richard Michael and Somu Jayaraman During the live event, Cisco subject matter experts Richard Michael and Somu Jayaraman focused on troubleshoot...
  • 1
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January 6th
Ask the Expert
            With Amer Atout Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions abou...
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December 2nd, 2013
Ask the Expert
With Luke Primm, Colby Beam and Nicholas Tate  Welcome to this Cisco Support Community Ask the Expert conversation. This is an opportunity to learn an...
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October 21st, 2013
Ask the Expert
With Wilson BonillaWelcome to the Cisco Support Community Ask the Expert conversation.  This  is an opportunity to learn and ask questions about about...
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August 26th, 2013
Ask the Expert
With Anand Ganesan Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about how to...
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March 11th, 2013
Ask the Expert
With Dan SchnourWelcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions of Cisco expert...
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December 12th, 2012
Techtalks
Community Tech-Talk series is designed to bring technical  Experts from Cisco to share their insights on specific topics,  selectively chosen based on...
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October 18th, 2012
Facebook Forums
Live chat with Cisco expert Srikanth Babu on October 18, 2012Learn and ask about common symptoms, causes of Memory and high CPU related issues and how...
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October 8th, 2012
Ask the Expert
With Nickolay Karpyshev and Ivan ShirshinWelcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask q...
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July 30th, 2012
Ask the Expert
With Rahul KachaliaWelcome to the Cisco Support Community Ask the Expert conversation.This is an opportunity to learn and ask questions about the Cisc...
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July 27th, 2012
Facebook Forums
Live chat with Cisco expert, Akshay Balanagur on Catalyst 6500 Switch ArchitectureJuly 17th, 2012Cisco Catalyst 6500 is one of the most widely deploye...
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July 17th, 2012
Ask the Expert
With Akshay BalaganurWelcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn from Cisco expert Akshay Bala...
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July 16th, 2012
Ask the Expert
With Nikolay KarpyshevWelcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about arch...
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June 19th, 2012
Ask the Expert
Judhajit Ghosh Welcome to the Cisco Support Community Ask the Expert conversation. Learn from Cisco expert Judhajit Ghosh about Catalyst Security. Ju...
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May 25th, 2012
Facebook Forums
Live chat with Cisco expert, Lucien Avramov on Cisco Nexus SwitchesMay 17th, 2012 Lucien is a customer support engineer at the Cisco Technical Assist...
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May 21st, 2012
Ask the Expert
With Shashank Singh  and Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn from Cisco experts Shasha...
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March 12th, 2012
Ask the Expert
With Matt BlanshardWelcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to ask your toughest layer 2 questions t...
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January 17th, 2012
Ask the Expert
With Souvik Ghosh Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about differen...
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January 17th, 2012
Webcasts
Souvik Ghosh is a customer support engineer at the Cisco Technical Assistance Center in Bangalore, India. He has three and half years of experience in...
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October 11th, 2011
Facebook Forums
Event Date: October 20, 2011 Event Time: 9:30 pm PST. For local timezones, see http://bit.ly/nyN4yU Location: Online on our Facebook Fan Page (http:/...
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October 10th, 2011
Ask the Expert
With Peter PalúchWelcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to get expert insights and learn about U...
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August 29th, 2011
Ask the Expert
With Hatim Badr and Iqbal Syed Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn about design, confi...
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