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.

Hi,am getting "No Valid adjacency" when trying to test from ASA 8.4 ldap authentication using "aaa-server auth" commandDoes this have to do with NA...
1 hour 2 min ago
Hi all,in 5512x datasheet, what do they mean by Virtual Interfaces (VLANS) ? is it SVI or VLAN ? http://www.cisco.com/c/en/us/products/collateral/s...
1 hour 47 min ago
hi ,i have a question in loop issue , will it occur in this case or noti will describe my scenario as below : now i have 4 switches connected with...
18 hours 27 min ago
Hi,on the inside interface I have the Office VLAN and the Servers (AD, File Server) VLAN, now it seems that the ASA is allowing all traffic to go t...
19 hours 19 min ago
Hi guys,I am newbie in cisco, can you help for setting my cisco 1811 ( Internet Access use BGP  and VPN Server use pptp ). For internet access no p...
1 day 5 hours ago
         
IP SLA 327 3 0 0 0
Routers 2 0 0 0 0
Switches 6760 571 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion eigrp static route redistribution
Last Reply 4 min 50 sec ago.
47 0 0.0 9 paulkim81
discussion Web console is not opening in 3750 Switch
Last Reply 22 min 18 sec ago.
0 0 0.0 1 luckymike33
discussion LACP: "Unknown packets rcvd" and "Illegal packets rcvd"?
Last Reply 29 min 45 sec ago.
3 0 0.0 1 steve-fuller
discussion SSL-VPN with LDAP
Last Reply 1 hour 2 min ago.
0 0 0.0 0 aconticisco
discussion Virtual Interfaces(VLAN) in 5512x
Last Reply 1 hour 47 min ago.
0 0 0.0 0 Jonn.cos88
discussion How secondary root is identified in the BPDU
Last Reply 2 hours 28 min ago.
13 0 0.0 2 manoj_tyagi1
discussion Slow Internet 1841 - Please check config
Last Reply 5 hours 21 min ago.
38 0 0.0 5 johnlloyd_13
discussion 4510R+GBIC blades
Last Reply 7 hours 50 sec ago.
18 0 0.0 2 katberts1
discussion Managing a switch
Last Reply 14 hours 20 min ago.
12 0 0.0 2 Richard Burts
discussion Could high "Total Output Drops" on one interface on a 3560G, be caused by faulty hardware on another interface?
Last Reply 16 hours 4 min ago.
11 0 0.0 6 JosephDoherty
discussion GRE Tunnel with router behind Nat router
Last Reply 18 hours 26 min ago.
9 0 0.0 1 Ahmed Alzaeem
discussion question in switching for STP and loop
Last Reply 18 hours 27 min ago.
11 0 0.0 0 Ahmed Alzaeem
discussion ASA inside Interface multiple VLANS
Last Reply 18 hours 44 min ago.
14 0 0.0 0 aconticisco
discussion problem with telnet to router
Last Reply 20 hours 17 min ago.
19 0 0.0 1 Reza Sharifi
discussion User access verification on switch or router
Last Reply 21 hours 6 min ago.
30 0 0.0 5 Poonam Garg
discussion Licensing on WS-C3750-24PS-S vs WS-C3750-24PS-E
Last Reply 22 hours 20 min ago.
21 0 0.0 2 JosephDoherty
discussion Nexus 7K out of band Management interface
Last Reply 1 day 47 min ago.
413 0 5.0 9 Steven112
discussion Help Cisco 1811: VPN connected, but cann't ping ip LAN
Last Reply 1 day 1 hour ago.
12 0 0.0 0 adeimanOK
discussion CCNA LAB
Last Reply 1 day 6 hours ago.
15 0 0.0 2 amirs2020
discussion ACL on interface BVI98
Last Reply 1 day 7 hours ago.
18 0 5.0 2 mahesh18
discussion STP loop issue
Last Reply 1 day 13 hours ago.
13 0 0.0 1 Reza Sharifi
discussion Multicast mac address isn't learned, igmp-snooping
Last Reply 1 day 17 hours ago.
15 0 0.0 3 luckymike33
discussion problem high CPU in catalys 6500
Last Reply 1 day 18 hours ago.
13 0 0.0 0 raulalejandroor...
discussion Attempting to migrate service from T1 to Opt-E-Man service with 2811 router
Last Reply 1 day 19 hours ago.
803 0 5.0 20 horacio27
discussion Cisco Nexus 2XXX vs HP ProCurve.
Last Reply 2 days 2 hours ago.
27 0 5.0 4 andrea.meconi@c...
Filter Results
Subject Views Rating Comments Author
software, hardware and Licensing requirement for 4500 VSS
Last Reply 2 days 9 hours ago.
11
0.0
0 fumohamm
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 3 days 11 hours ago.
265022
5.0
28 plumbis
Recovering from ErrDisabled port due to misconfiguration
Last Reply 4 days 8 hours ago.
14438
0.0
0 TCC_2
Fortify Your LAN with Cisco Catalyst Switching - Slides from live webcast
Last Reply 1 week 3 days ago.
127
0.0
0 ciscomoderator
Fortify Your LAN with Cisco Catalyst Switching - FAQ from live webcast
Last Reply 1 week 3 days ago.
40
0.0
0 Anim Saxena
Catalyst 6800 VSS Quad-Sup SSO and Instant Access Overview - Slides from live webcast
Last Reply 1 week 4 days ago.
497
5.0
2 ciscomoderator
How to Upgrade Cisco 4500 SUP7-E & Sup7L-E ROMMON To support VSS
Last Reply 2 weeks 3 hours ago.
14368
5.0
0 ashirkar
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 2 weeks 3 hours ago.
56726
4.6
25 ashirkar
Q&A from Troubleshooting and Upgradation on Cisco LAN switches Session 1
Last Reply 2 weeks 2 days ago.
496
0.0
0 ashirkar
What is the difference between an IP base image and an IP services image
Last Reply 2 weeks 5 days ago.
137231
5.0
9 tahirshabbir
4500 Wireshark quick setup guide
Last Reply 3 weeks 4 hours ago.
9052
5.0
2 demclaug
Duplicate ping replies from servers using HSRP virtual address as gateway
Last Reply 3 weeks 7 hours ago.
139
0.0
1 tmikelson
What’s New on Cisco Catalyst 6500 Series? - FAQ from Live Webcast
Last Reply 3 weeks 3 days ago.
65
0.0
0 ashirkar
What's New on Cisco Catalyst 6500 Series? - Slides from live webcast
Last Reply 3 weeks 3 days ago.
282
5.0
0 rimichae
The user receives the "%ETHCNTR-3-LOOP_BACK_DETECTED" error message on a Cisco Catalyst switch that runs Cisco IOS® Software
Last Reply 3 weeks 4 days ago.
20773
5.0
1 TCC_2
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 3 weeks 6 days ago.
28088
5.0
9 SunilKhanna
Chalk Talk: The Secret to Successful QoS Deployments
Last Reply 4 weeks 1 day ago.
893
0.0
0 szigeti
Port Security and Tandberg device
Last Reply 1 month 12 sec ago.
256
0.0
1 oraja
How to use Time-Domain Reflectometer (TDR)
Last Reply 1 month 2 days ago.
44343
5.0
62 Leo Laohoo
Recovering from a 3850 boot failure.
Last Reply 1 month 1 week ago.
2323
3.7
2 Luke Primm
Upgrade software on a Cisco 3850 switch
Last Reply 1 month 1 week ago.
8380
0.0
4 Luke Primm
Using the Auto-Upgrade feature on the cisco Catalyst 3850
Last Reply 1 month 1 week ago.
474
0.0
1 Luke Primm
CCP installation on Windows 8 & 8.1 with IE 11 x64
Last Reply 1 month 2 weeks ago.
132
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.
56
0.0
7 gggggqqqqq
Understanding “Input Discard” Interface Counter in Nexus3000
Last Reply 1 month 2 weeks ago.
8694
5.0
0 Yogesh Ramdoss
Filter Results
Subject Views Rating Comments Author
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 day 8 hours ago.
4
5.0
0 hsticher
blog What can be done about WAN packet loss and its impact on WAN application performance? - shared by Bharat Shrinevas
Last Reply 1 week 1 day ago.
13
0.0
0 bshrinev
blog What can L2TP do for your network? - Network World - shared by Rachana Pandey
Last Reply 1 week 6 days ago.
4
0.0
0 racpande
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 week 6 days ago.
908
5.0
0 srereddy
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 2 weeks 8 hours ago.
3
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 2 weeks 3 days ago.
17482
5.0
0 shashasi
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 3 weeks 16 hours ago.
7224
5.0
9 rucjain
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 3 weeks 3 days ago.
30
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 month 2 days ago.
1700
5.0
3 ag2
blog Configuring a frame-relay switch
Last Reply 1 month 5 days ago.
4745
5.0
6 aninchat
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 4 months 2 weeks ago.
672
0.0
1 ramugaju
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 6 months 1 week ago.
16950
4.6
11 jakula
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 8 months 4 days ago.
1240
4.7
1 ag2
blog How to build the topology of an OSPF area
Last Reply 8 months 1 week ago.
1769
5.0
4 aninchat
blog Parity Error.
Last Reply 8 months 4 weeks ago.
1980
4.5
4 insharie
blog Nexus 7000 ACL logging (OAL)
Last Reply 9 months 2 weeks ago.
12229
0.0
7 Robert Taylor
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 1 year 2 months ago.
6620
5.0
6 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 1 year 5 months ago.
3242
4.8
1 aninchat
blog Router Crashes
Last Reply 1 year 6 months ago.
5580
5.0
1 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 8 months ago.
21437
5.0
3 aninchat
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 1 year 9 months ago.
8343
5.0
7 pnagpal
blog Important Nexus 7000 NX-OS Software Update
Last Reply 1 year 10 months ago.
4019
5.0
0 ctripoli
blog New Cisco 5915 ESR
Last Reply 1 year 11 months ago.
4109
5.0
2 sonasing
blog Moving Beyond the Internet of Things in 2012
Last Reply 2 years 2 months ago.
1699
5.0
0 mmorrow
Filter Results
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
Views: 2
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Speaker:Vinay Sharma
LAN, Switching and Routing
Views: 11
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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: 430
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Average Rating: 0 (0 ratings)
During the live event, Cisco subject matter expert Vaibhav Katkade covered the various security features available on Cisco Catalyst...
LAN, Switching and Routing
Views: 80
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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: 148
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Average Rating: 0 (0 ratings)
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: 72
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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: 205
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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: 144
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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: 276
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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: 169
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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: 129
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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
Views: 2587
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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...
  • 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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