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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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...
7 hours 25 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...
12 hours 49 min ago
Testing for JD Audit
13 hours 48 min 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...
17 hours 44 min ago
 Are export maps supported on C3850 switches? I am considering a VRF-lite design where I'll need to leak certain routes from one VRF into anotherI...
by aacole
18 hours 37 min 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 !!! WARNING: The switch is not usable !!!
Last Reply 2 years 5 months ago.
4381 0 0.0 5 Leo Laohoo
discussion "pause output" on 6509 interfaces
Last Reply 3 years 6 months ago.
7209 0 5.0 5 cole.b
discussion %C4K_EBM-4-HOSTFLAPPING:
Last Reply 6 years 6 months ago.
643 0 0.0 11 sradman
discussion %SYS-4-SUPERVISOR_ERR:Forwarding engine IPX too short without IPX enabled
Last Reply 7 years 3 months ago.
309 0 5.0 2 ksimsimon
discussion 10GE network using X2
Last Reply 4 years 11 months ago.
731 0 4.0 11 vince.doan@expa...
discussion 135 input errors, 95 CRC, 40 frame, 0 overrun, 0 ignored
Last Reply 5 years 6 months ago.
400 0 5.0 3 Calin Chiorean
discussion 2 ways to configure layer 3
Last Reply 7 years 2 months ago.
133 0 4.0 3 albert.remo
discussion 3560 Switch clock setting went back to default after reload
Last Reply 5 years 6 months ago.
381 0 0.0 2 Mo'ath Al Rawashdeh
discussion 3641 Routers password problem
Last Reply 5 years 9 months ago.
221 0 0.0 5 sanjukumarsharma
discussion 6506 Core Switch Port got in Errordisable again and again .............
Last Reply 5 years 9 months ago.
144 0 0.0 6 patel.dipesh
discussion ASA5540 Issue
Last Reply 6 years 7 months ago.
79 0 5.0 2 haifazakr
discussion attaching ipv6 access-list to class-map unsupported ?
Last Reply 5 years 10 months ago.
349 0 4.0 3 thotsaphon
discussion BPDU guard and root guard, redundant?
Last Reply 5 years 8 months ago.
163 0 5.0 2 jdevoll
discussion Bridge OID's indexed by different ifIndex values?
Last Reply 6 years 2 months ago.
421 0 4.5 4 sisal
discussion Cat OS and IOS both on the same 6509
Last Reply 4 years 10 months ago.
97 0 5.0 2 Jon Marshall
discussion Cisco 2950 - Rel 12.1 port to be Vlan-unware
Last Reply 5 years 8 months ago.
94 0 0.0 0 sbahadoor
discussion Cisco Routers based on IOS 12.X support remote logging to syslog server?
Last Reply 5 years 10 months ago.
178 0 0.0 1 tstanik
discussion configure a 3825 with a vlan on the nm-esw-16 module
Last Reply 6 years 10 months ago.
349 0 0.0 1 glen.grant
discussion Configure MPLS VPN on Ethernet VLAN interfaces
Last Reply 5 years 10 months ago.
362 0 5.0 4 n.nandrekar
discussion configure NAT with"Router on a stick " method
Last Reply 5 years 3 months ago.
335 0 5.0 12 Reza Rezazadeh
discussion EIGRP Question
Last Reply 6 years 2 months ago.
93 0 3.0 1 jorgenolla
discussion Exceptions
Last Reply 5 years 7 months ago.
287 0 0.0 4 Giuseppe Larosa
discussion Features
Last Reply 6 years 11 months ago.
73 0 0.0 2 join_sn09
discussion Firewall Service Module in 6509
Last Reply 7 years 3 months ago.
189 0 3.0 1 spremkumar
discussion FIXING %UBR7100-5-UNREGSIDTIMEOUT:
Last Reply 5 years 5 months ago.
215 0 0.0 0 santosd72
Filter Results
Subjectsort descending Views Rating Comments Author
3850 switch - IOS XE upgrade Detailed (standalone)
Last Reply 2 months 3 weeks ago.
672
5.0
0 fumohamm
A question about huawei switch and cisco router
Last Reply 4 months 1 week ago.
281
0.0
0 donglee0728
Jan 8 02:52:26 KST: SYS-3-TIMERNEG:Cannot start timer (0x1682D0E8) with negative offset
Last Reply 3 years 3 months ago.
530
0.0
0 pmhlovely
Licensing information for ISR-G2
Last Reply 11 months 4 weeks ago.
9973
5.0
1 sonasing
"%MGMT-5-LOGIN_FAIL:User failed to log in from Console" messages appear when Telnetted into a switch with a modem attached to the console port due to misconfiguration on the modem
Last Reply 4 years 8 months ago.
1020
0.0
0 TCC_2
"%SW-VLAN-4-BAD-STARTUP-VLAN-CONFIG-FILE: Failed to configure VLAN from startup-config" error message received on catalyst 4000/4500 switch
Last Reply 4 years 8 months ago.
960
0.0
0 TCC_2
"Etherchannel Loadbalancing on Catalyst Switches"
Last Reply 10 months 3 weeks ago.
9865
5.0
2 souvghos
"vlan-id dot1q" command
Last Reply 3 years 6 months ago.
4336
0.0
1 kunihiko.fujii
%LINK-4-ERROR:[char] is experiencing errors error message on a Catalyst switch running Cisco IOS Software.
Last Reply 4 years 8 months ago.
3842
0.0
0 TCC_2
%SYS-4-P2_WARN: 1/Invalid traffic from multicast source address message is displayed on a Catalyst switch due to the switch receiving packets with a multicast MAC address as the source MAC
Last Reply 4 years 8 months ago.
1824
0.0
0 TCC_2
2811 password not accepting
Last Reply 3 years 1 month ago.
520
0.0
1 chandrakant.zile
3 ways to redistribute default static route into EIGRP in Nexus 7000
Last Reply 10 months 2 weeks ago.
2264
0.0
0 mtsb
3500 series switch electric power question
Last Reply 1 year 10 months ago.
239
0.0
0 cschroeder12000@yahoo.com
3560 Switch Performance
Last Reply 1 year 5 months ago.
438
0.0
1 uwantknow
3750 Private-config.text for what?
Last Reply 4 years 6 months ago.
8054
0.0
1 degwi2
3750 strange log about intergrated WLC "%WRLSCNTR-3-VERSION_ERR:"
Last Reply 3 years 5 months ago.
1216
0.0
3 Weepingchen_2
3850 Boot Mode
Last Reply 2 months 4 weeks ago.
325
0.0
0 Collin_Clark
3850: Understanding interface configuration on NM modules
Last Reply 7 months 1 week ago.
3734
5.0
0 Luke Primm
4500 Wireshark quick setup guide
Last Reply 2 weeks 4 days ago.
9042
5.0
2 demclaug
6500/sup720 Feature Manager Troubleshooting
Last Reply 3 years 2 weeks ago.
7311
5.0
0 Adam Casella
6509 VLAN Interface Speed
Last Reply 2 years 3 months ago.
1137
0.0
1 michaelillgen
802.1q
Last Reply 1 year 1 month ago.
919
4.0
0 Sunil Khanna
802.1q tag on access switchport
Last Reply 2 years 9 months ago.
2210
5.0
0 rsimoni
802.3af
Last Reply 3 years 2 months ago.
1520
0.0
0 ITA Terms
A %GIGASTACK-6-LOOP_DETECTED message is displayed with redundant loop configuration due to election of master loop breaker
Last Reply 4 years 8 months ago.
686
0.0
0 TCC_2
Filter Results
Subjectsort descending Views Rating Comments Author
blog Cloud Computing: Update ITU-T Focus Group and OMG-Hosted Telecom Cloud Conference
Last Reply 3 years 1 month ago.
1554
0.0
2 mmorrow
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 8 months 3 days ago.
1240
4.7
1 ag2
blog Booting Cisco Router from a TFTP server
Last Reply 2 years 8 months ago.
10173
5.0
2 ajaju
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 3 weeks 2 days ago.
28
0.0
0 Julie Burruss
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 2 weeks 6 days ago.
7221
5.0
9 rucjain
blog Configuring a frame-relay switch
Last Reply 1 month 3 days ago.
4743
5.0
6 aninchat
blog Converting IOS to CatOS in Production Switch
Last Reply 2 years 9 months ago.
2308
3.0
6 Tripat Singh
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 4 months 1 week ago.
670
0.0
1 ramugaju
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 Flexlink in Cisco Layer 2 network
Last Reply 1 week 6 days ago.
3
5.0
0 jakula
blog From Internet of Things to Web of Things
Last Reply 3 years 2 months ago.
2539
0.0
0 mmorrow
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 6 months 6 days ago.
16929
4.6
11 jakula
blog How to build the topology of an OSPF area
Last Reply 8 months 6 days ago.
1767
5.0
4 aninchat
blog Important Nexus 7000 NX-OS Software Update
Last Reply 1 year 10 months ago.
4018
5.0
0 ctripoli
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 1 year 9 months ago.
8330
5.0
7 pnagpal
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 week 5 days ago.
681
5.0
2 srereddy
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 8 months ago.
21374
5.0
3 aninchat
blog Machine-to-Machine Communications as a Subset of Internet of Things
Last Reply 2 years 8 months ago.
2091
0.0
0 mmorrow
blog Moving Beyond the Internet of Things in 2012
Last Reply 2 years 2 months ago.
1699
5.0
0 mmorrow
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.
3242
4.8
1 aninchat
blog New Cisco 5915 ESR
Last Reply 1 year 11 months ago.
4109
5.0
2 sonasing
blog Nexus 7000 ACL logging (OAL)
Last Reply 9 months 2 weeks ago.
12220
0.0
7 Robert Taylor
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 1 year 2 months ago.
6618
5.0
6 Robert Taylor
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 hour 55 min ago.
1
5.0
0 hsticher
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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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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: 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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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
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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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