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.

 

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Hello,we have a N5k platform experiencing bug:CSCtn71292. Customer wants to monitor below log message, using NNMi.%SYSMGR-2-VOLATILE_DB_FULL: Syste...
2 hours 53 min ago
Hi guys,i am using reflexive ACL on router R2 and the ACL is working fine.but when i did a ping 10.1.23.3 re 1000 on R1 then  on R2 when i used sh...
13 hours 38 min ago
I have a question about ERSPAN on the Nexus 7000.I set up the necessary configuration for ERSPAN source on my 7000s, with a destination on a cataly...
19 hours 2 min ago
Testing for JD Audit
20 hours 34 sec ago
 HelloI setup the above lab to test uRPF on vlan SVIs using a WS-C3850-24P (IOS XE 03.03.02SE cat3k_caa-iosd-universalk9.SPA.150-1.EZ2.pkg) for swi...
23 hours 57 min ago
         
IP SLA 327 3 0 0 0
Routers 2 0 0 0 0
Switches 6760 571 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion Path Selection between 10 gig fiber and microwave
Last Reply 5 sec ago.
11 0 0.0 2 asuszowey
discussion SNMP MIB for N5K log message
Last Reply 2 hours 53 min ago.
0 0 0.0 0 girish_gavandi
discussion Error opening tftp (Timed out)
Last Reply 2 hours 59 min ago.
18843 0 4.7 32 sharonccie
discussion ethernet keepalive
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2377 0 0.0 6 fly
discussion lan switch keepalive
Last Reply 8 hours 17 min ago.
16 0 0.0 1 fly
discussion connect 2 switch with fiber
Last Reply 9 hours 53 min ago.
31 0 5.0 5 JosephDoherty
discussion Replace sup module in 4507 switch
Last Reply 10 hours 14 min ago.
266 1 0.0 3 Leo Solano
discussion Configuring Cisco 891w router for internet access plus DHCP addressing based on department
Last Reply 11 hours 24 min ago.
1224 0 0.0 1 joseph.baez
discussion Rookie question: Nat all internal networks to one IP address when accessing the WAN subnet
Last Reply 11 hours 43 min ago.
27 0 5.0 2 Silver_NZ
discussion WCCP configuration
Last Reply 12 hours 21 min ago.
6 0 0.0 1 Reza Sharifi
discussion Why Reflexive ACL showing more packets match
Last Reply 13 hours 38 min ago.
8 0 0.0 0 topsdntopsdn
discussion Global ACL does not activate
Last Reply 14 hours 48 min ago.
21 0 5.0 2 ciaranmurphy1
discussion Route questions
Last Reply 16 hours 38 min ago.
41 0 5.0 9 emrinaldo
discussion eigrp static route redistribution
Last Reply 16 hours 39 min ago.
19 0 0.0 3 Jon Marshall
discussion HSRP in distributions layer
Last Reply 16 hours 54 min ago.
25 0 0.0 4 Hardi.Ahmed
discussion Support HSRP and Spanning-tree
Last Reply 17 hours 15 min ago.
49 0 0.0 5 rmf.newport
discussion Rate limit UDP traffic on a single switch port
Last Reply 17 hours 51 min ago.
15 0 3.0 2 ryderse69
discussion Nexus 7000 ERSPAN
Last Reply 19 hours 2 min ago.
4 0 0.0 0 rmf.newport
discussion no switch health or port utilization info displayed c2960-24tt device manager
Last Reply 19 hours 8 min ago.
18 0 0.0 2 incredible83
discussion OSPF and Traceroute
Last Reply 19 hours 49 min ago.
25 0 0.0 3 JosephDoherty
discussion Test issue for 6500
Last Reply 20 hours 34 sec ago.
8 0 0.0 0 DirectCust4
discussion 3750 with Shoretel Phones
Last Reply 20 hours 22 min ago.
11 0 0.0 1 Richard Burts
discussion Nexus 1000v and DMZ
Last Reply 20 hours 40 min ago.
15 0 0.0 1 Joe LeBlanc
discussion N7K - powered-dn module status
Last Reply 20 hours 57 min ago.
11 0 0.0 3 glen.grant
discussion Telnet/SSH Connection to Switch
Last Reply 20 hours 58 min ago.
116 0 0.0 7 Richard Burts
Filter Results
Subject Views Ratingsort ascending Comments Author
What are the modes of operation for the SSL module on a Catalyst 6500?
Last Reply 4 years 9 months ago.
409
5.0
0 TCC_2
vPC Auto-Recovery Feature in Nexus 7000
Last Reply 2 months 2 weeks ago.
7275
5.0
5 vbhutta
How to configure the Gigabit Ethernet fiber-optic interface to support duplex speed in Cisco Catalyst switches
Last Reply 4 years 9 months ago.
2802
5.0
0 TCC_2
What is the difference between an IP base image and an IP services image
Last Reply 2 weeks 5 days ago.
137196
5.0
9 tahirshabbir
Interoperability mstp/pvst
Last Reply 2 years 7 months ago.
415
5.0
1 romenawer
ELAM Example: Sup2T
Last Reply 7 months 1 week ago.
802
5.0
0 agossett
Protección a la operación de STP
Last Reply 1 year 7 months ago.
382
5.0
0 mimonter
Known Issues on Cisco 7600 Router ES+ Line Cards
Last Reply 4 months 3 weeks ago.
9512
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3 Aleksandar Vidakovic
ACL TCAM and LOUs in Catalyst 6500
Last Reply 2 years 11 months ago.
4808
5.0
0 Yogesh Ramdoss
How to copy the image to the standby bootflash in Catalyst 6000 / 6500 series switches with redundant supervisors
Last Reply 4 years 9 months ago.
2913
5.0
0 TCC_2
Experience the Installation of a Cisco 4507R+E with Redundant Supervisor Engines (WS-X45-SUP7L-E) and much more
Last Reply 9 months 1 week ago.
2784
5.0
0 cpartsenidis
User experiences FCS-err counter increments on a port due to a duplex configuration or hardware problem
Last Reply 6 months 1 week ago.
15199
5.0
1 TCC_2
Egress QOS
Last Reply 9 months 2 days ago.
40561
5.0
10 somgupta
Troubleshooting EIGRP Variance Command
Last Reply 1 year 8 months ago.
8639
5.0
3 SunilKhanna
Catalyst 6800 VSS Quad-Sup SSO and Instant Access Overview - Slides from live webcast
Last Reply 1 week 3 days ago.
497
5.0
2 ciscomoderator
OTV Silent Host Connectivity Problem
Last Reply 2 years 10 months ago.
3371
5.0
1 agossett
Issue while using Catalyst 3750 with RPS 2300
Last Reply 4 years 4 months ago.
1904
5.0
0 vvasisth
Route to Host Stuck on Switch
Last Reply 2 months 2 weeks ago.
2318
5.0
3 martinez-adrian
3850: Understanding interface configuration on NM modules
Last Reply 7 months 2 weeks ago.
3796
5.0
0 Luke Primm
How to Upgrade Cisco 4500 SUP7-E & Sup7L-E ROMMON To support VSS
Last Reply 1 week 6 days ago.
14353
5.0
0 ashirkar
The causes and solutions for high CPU utilization on Cisco Catalyst 6500 and 6000 series switches
Last Reply 2 years 3 months ago.
3526
5.0
1 TCC_2
How to use Time-Domain Reflectometer (TDR)
Last Reply 1 month 1 day ago.
44323
5.0
62 Leo Laohoo
The Cisco Discovery Protocol displays the "%CDP-4-DUPLEX_MISMATCH" error message on Catalyst fixed configuration switches running IOS software.
Last Reply 4 years 8 months ago.
12883
5.0
0 TCC_2
Add port To Vlan
Last Reply 4 years 10 months ago.
22933
5.0
0 ITA Terms
Dell-Cisco STP Interoperability and Recommendations v2.0.pdf
Last Reply 3 years 4 days ago.
879
5.0
0 lamav
Filter Results
Subject Views Ratingsort ascending Comments Author
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 17 hours 31 min ago.
1
5.0
0 hsticher
blog Booting Cisco Router from a TFTP server
Last Reply 2 years 8 months ago.
10181
5.0
2 ajaju
blog The best CCO document link for Peer-Gateway on vPC/Nexus7000
Last Reply 3 years 3 weeks ago.
4491
5.0
0 kyukim
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 week 6 days ago.
681
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 week 6 days ago.
3
5.0
0 jakula
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 1 year 2 months ago.
6619
5.0
6 Robert Taylor
blog Router Crashes
Last Reply 1 year 6 months ago.
5579
5.0
1 ajaju
blog Configuring a frame-relay switch
Last Reply 1 month 4 days ago.
4744
5.0
6 aninchat
blog How to build the topology of an OSPF area
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1768
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4 aninchat
blog Moving Beyond the Internet of Things in 2012
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1699
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0 mmorrow
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
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7223
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9 rucjain
blog New Cisco 5915 ESR
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blog Important Nexus 7000 NX-OS Software Update
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0 ctripoli
blog Troubleshoot L2 Connectivity Issue : VTP PRUNING
Last Reply 2 years 5 months ago.
6367
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3 rparames
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 8 months ago.
21413
5.0
3 aninchat
blog Switch: How to test a cable status?
Last Reply 1 month 1 day ago.
1700
5.0
3 ag2
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 2 weeks 2 days ago.
17478
5.0
0 shashasi
blog Leak Map - Eigrp, Some leaks are useful..
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8335
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7 pnagpal
blog Pre-build SPT feature on Nexus - Benefits & Caveats
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908
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0 srereddy
blog Multicast for the heart Part I: IGMP
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3242
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1 aninchat
blog About "TestErrorCounterMonitor" in 6500/7600
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1240
4.7
1 ag2
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 6 months 6 days ago.
16940
4.6
11 jakula
blog Parity Error.
Last Reply 8 months 4 weeks ago.
1978
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4 insharie
blog Converting IOS to CatOS in Production Switch
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2308
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6 Tripat Singh
blog What can L2TP do for your network? - Network World - shared by Rachana Pandey
Last Reply 1 week 6 days ago.
4
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0 racpande
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LAN, Switching and Routing
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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: 426
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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: 72
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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: 130
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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: 70
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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: 204
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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: 143
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In this video our Technical Experts Aninda Chatterjee & Karthick Murugan has covered following AGENDA:1) Spanning-tree features – how...
LAN, Switching and Routing
Views: 275
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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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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: 128
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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: 155
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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...
  • 1
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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...
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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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