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 All,  I am facing one issue that , I can't backup my configuration backup from (C3560-IPBASE-M) to FTP server. Below is the error and configura...
57 min ago
Hi All,  I am facing one issue that , I can't backup my configuration backup from (C3560-IPBASE-M) to FTP server. Below is the error and configura...
57 min 8 sec ago
I have been given some Cisco ACE 4710's to look after recently as part of an old contract for a customer.  I have had to replace one of the units r...
4 hours 57 min ago
Hello,I am exploring options to assign access ports membership based on outer and inner tag. I am trying to achieve an architecture where the [oute...
6 hours 27 min ago
Hi all, I'm having a strange issue when it comes to the auto smartport feature. Whenever I connect an AP I want to reconfigure the port via the lo...
by Chris
7 hours 50 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6724 569 6 1 0
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Subject Viewssort ascending Votes Rating Replies Last replied by
discussion Cisco switch 2960/3560=> Password recovery and Factory Default with Mode Button
Last Reply 1 year 2 weeks ago.
262228 0 4.5 10 Enrique Soto M
discussion Cisco Serial Number Lookups
Last Reply 2 months 3 weeks ago.
238439 1 4.92857 7 Jeffrey Yentz
discussion cisco mini usb console driver for win 7
Last Reply 2 months 1 week ago.
229713 9 5 4 alan.carrizo1
discussion BGP Configuration
Last Reply 3 years 3 months ago.
205578 0 5 18 John Blakley
discussion Set Username & Password on Cisco 3750 Switch
Last Reply 3 years 4 months ago.
163155 0 4.6 12 John Blakley
discussion Cisco ASDM download
Last Reply 3 days 23 hours ago.
160572 2 3.5 6 MitchellAxtell
discussion Difference between clear arp-cache and clear ip arp
Last Reply 4 years 7 months ago.
125234 0 5 3 onslaught99
discussion deleting a directory in flash:
Last Reply 1 month 1 week ago.
104090 5 3.75 23 Claudio Quiroz ...
discussion How can I determine the IP address of my Cisco 2950 switch?
Last Reply 1 year 9 months ago.
90198 0 0 16 sheabernard
discussion ip forward-protocol nd??
Last Reply 4 years 9 months ago.
84380 0 5 8 lcaruso
discussion Error opening tftp (Timed out)
Last Reply 2 weeks 1 day ago.
84177 3 4.58333 50 ismail.ichu
discussion Default password for Catalyst 2960-C Layer 3 Switch
Last Reply 1 year 11 months ago.
79970 0 0 11 Richard Burts
discussion Catalyst 2950, need to reset to factory defaults. Lost password.
Last Reply 4 years 7 months ago.
79791 0 5 1 Reza Sharifi
discussion how to reset cisco router 1841 password
Last Reply 1 year 3 months ago.
77630 0 5 13 mmcgrane
discussion Ask the Expert: Nexus Virtual Port Channel (vPC)
Last Reply 4 years 7 months ago.
73326 0 4.9 36 habadr
discussion Hulc LED Process
Last Reply 1 month 1 week ago.
73118 5 5 32 dbergman13
discussion 2960S - Password required, but none set
Last Reply 1 year 1 week ago.
68106 2 6.66667 16 craig.wells
discussion load-interval 30
Last Reply 8 years 1 week ago.
67546 1 5 7 Joseph W. Doherty
discussion Vlan UP line protocol Down
Last Reply 6 years 2 months ago.
65846 0 5 3 Ganesh Hariharan
discussion How to Abort Traceroute Execution?
Last Reply 11 months 1 week ago.
64059 1 5 14 johnbehring
discussion no ip unreachables
Last Reply 2 years 2 weeks ago.
62568 0 4.5 8 Umesh Shetty
discussion Uplink Ports vs Normal Ports
Last Reply 2 years 6 months ago.
54845 2 4 11 Joseph W. Doherty
discussion What exactly does mac-address sticky do?
Last Reply 5 years 12 months ago.
53017 1 5 6 tgrundbacher
discussion How to stack 2 3750 switches?
Last Reply 5 years 5 months ago.
50846 0 4.5 11 gnaveen
discussion reset the 3750 to factory default
Last Reply 9 months 2 weeks ago.
50682 0 0 4 hailsun
Filter Results
Subject Viewssort ascending Rating Comments Author
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 2 months 1 week ago.
314467
5.0
45 plumbis
How to define the VLANs allowed on a trunk link
Last Reply 8 months 2 weeks ago.
254741
5.0
3 TCC_2
What is the difference between an IP base image and an IP services image
Last Reply 3 weeks 2 days ago.
211247
5.0
14 tahirshabbir
How to configure port monitoring (SPAN) on a Catalyst 2940, 2950, 2955, 2970, 3550 or 3750 series switch
Last Reply 6 years 9 months ago.
186778
0.0
0 TCC_2
Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 6 months 1 day ago.
175893
4.0
2 Shaun Hummel
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 3 months 3 weeks ago.
167602
4.7
60 ashirkar
Importance of BPDU Guard and BPDU Filter !!
Last Reply 11 months 3 days ago.
138945
4.7
12 Ganesh Hariharan
How to configure the ip default-gateway command on a Cisco 3550 series switch
Last Reply 6 years 9 months ago.
113311
5.0
0 TCC_2
How to use Time-Domain Reflectometer (TDR)
Last Reply 1 month 3 weeks ago.
99224
5.0
92 Leo Laohoo
How to configure jumbo or giant frame support on a Cisco Catalyst switch
Last Reply 6 years 9 months ago.
96146
0.0
0 TCC_2
Add port To Vlan
Last Reply 6 years 10 months ago.
90179
5.0
0 ITA Terms
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 8 months 1 week ago.
68949
4.6
7 Thamaraiselvam Santhanam
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 1 month 4 weeks ago.
68942
4.8
8 ashirkar
How to find and display the GBIC and SFP module details installed in Catalyst 6500 series switches
Last Reply 6 years 9 months ago.
67666
5.0
0 TCC_2
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 11 months 3 weeks ago.
64933
5.0
2 James D Hensley
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 2 months 3 weeks ago.
60776
5.0
14 SunilKhanna
Egress QOS
Last Reply 8 months 1 week ago.
60402
5.0
14 somgupta
How to disable STP on a per port basis in Cisco Catalyst switches
Last Reply 6 years 9 months ago.
52500
0.0
0 TCC_2
Port status is errdisable due to BPDU guard
Last Reply 3 years 3 months ago.
50502
0.0
0 TCC_2
How to add and remove a Cisco Catalyst 3750 switch from the existing switch stack
Last Reply 6 years 9 months ago.
50309
0.0
0 TCC_2
How to configure port security on Cisco Catalyst switches that run Cisco IOS system software
Last Reply 3 years 4 months ago.
45257
5.0
0 TCC_2
OSPF Design Best Practices
Last Reply 1 year 3 months ago.
43524
5.0
2 pnagpal
How to configure a Cisco router as TFTP server
Last Reply 3 years 3 months ago.
42948
4.0
1 TCC_2
Using 3850 Embedded Wireshark (Wired)
Last Reply 2 months 1 day ago.
41377
5.0
4 Colby Beam
3850: Understanding interface configuration on NM modules
Last Reply 3 weeks 3 days ago.
39572
5.0
16 Richard Primm
Filter Results
Subject Viewssort ascending Rating Comments Author
blog Loading an IOS on a switch via Xmodem
Last Reply 1 week 1 day ago.
76095
5.0
18 Aninda Chatterjee
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 10 months 4 days ago.
29772
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 4 months 3 weeks ago.
27765
4.7
13 Akula Jyoti Lakshmi
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 9 months ago.
24339
5.0
3 ajaju
blog Nexus 7000 ACL logging (OAL)
Last Reply 6 months 4 weeks ago.
19607
5.0
8 Robert Taylor
blog Switch: How to test a cable status?
Last Reply 2 years 1 month ago.
15108
5.0
3 Anand G
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 3 years 9 months ago.
13546
5.0
7 pnagpal
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 2 years 1 month ago.
8996
5.0
9 Ruchir Jain
blog Troubleshooting L2 issues - ARP Poisoning
Last Reply 4 years 3 months ago.
8690
0.0
4 rparames
blog Configuring a frame-relay switch
Last Reply 1 year 11 months ago.
8619
5.0
7 Aninda Chatterjee
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 1 year 6 months ago.
7916
5.0
7 Robert Taylor
blog Troubleshoot L2 Connectivity Issue : VTP PRUNING
Last Reply 4 years 6 months ago.
7806
5.0
3 rparames
blog Router Crashes
Last Reply 3 years 6 months ago.
6099
5.0
1 ajaju
blog Multicast for the heart Part I: IGMP
Last Reply 3 years 5 months ago.
5062
4.8
1 Aninda Chatterjee
blog The best CCO document link for Peer-Gateway on vPC/Nexus7000
Last Reply 5 years 1 month ago.
4567
5.0
0 kyukim
blog New Cisco 5915 ESR
Last Reply 3 years 11 months ago.
4281
5.0
2 Sonal Singh
blog Important Nexus 7000 NX-OS Software Update
Last Reply 3 years 11 months ago.
4103
5.0
0 ctripoli
blog How to build the topology of an OSPF area
Last Reply 1 year 9 months ago.
3317
5.0
5 Aninda Chatterjee
blog FabricPath: Cisco’s New Technology of Extending Layer 2 Network Without Spanning Tree
Last Reply 5 years 3 months ago.
3272
0.0
0 TS-newsletter
blog MPLS Conference 2010 and Cisco Leadership
Last Reply 5 years 5 months ago.
3132
0.0
0 mmorrow
blog Parity Error.
Last Reply 2 years 9 months ago.
2671
4.5
4 InayathUlla Sharieff
blog From Internet of Things to Web of Things
Last Reply 5 years 3 months ago.
2552
0.0
0 mmorrow
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 2 years 8 months ago.
2528
4.7
1 Anand G
blog Converting IOS to CatOS in Production Switch
Last Reply 4 years 9 months ago.
2448
3.0
6 Tripat Singh
blog Machine-to-Machine Communications as a Subset of Internet of Things
Last Reply 4 years 8 months ago.
2109
0.0
0 mmorrow
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