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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Does anyone know if the 2960x-48LPS switch has the POE for each switch port split by running odd and even ports on different power modules?
1 hour 16 min ago
Please help someone, I have executed the below command on ASR 1000 router and there are 2 things happened. 1.This command removed all the BGP confi...
1 hour 36 min ago
WS-C4510R, cat4500-ipbasek9-mz.150-2.SG5, Sup V-10GE 10GE (X2), 1000BaseX (SFP),  WS-X4516-10GEWS-X4248-RJ45VSome of the following may be coinciden...
by p.grace
9 hours 6 min ago
Please confirm which design is accurate?  1. Setting up the server room with multiple stackable switches with different subnets and having the gate...
14 hours 16 min ago
Hi,I have cisco catalyst 3560 switch .Switch   Ports  Model              SW Version              SW Image------   -----  -----              -------...
21 hours 10 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6733 569 6 1 0
Filter Results
Subject Viewssort ascending Votes Rating Replies Last replied by
discussion Cisco switch 2960/3560=> Password recovery and Factory Default with Mode Button
Last Reply 3 months 2 weeks ago.
205593 0 4.5 10 Enrique Soto M
discussion BGP Configuration
Last Reply 2 years 6 months ago.
205445 0 5 18 John Blakley
discussion cisco mini usb console driver for win 7
Last Reply 3 years 2 months ago.
188068 6 5 2 focused
discussion Set Username & Password on Cisco 3750 Switch
Last Reply 2 years 7 months ago.
117786 0 4.6 12 John Blakley
discussion Cisco ASDM download
Last Reply 8 years 3 months ago.
114110 1 3.5 4 Anand S
discussion Cisco Serial Number Lookups
Last Reply 1 year 3 months ago.
102168 0 5 6 scott_lerner
discussion Difference between clear arp-cache and clear ip arp
Last Reply 3 years 10 months ago.
98519 0 5 3 onslaught99
discussion deleting a directory in flash:
Last Reply 1 year 9 months ago.
80593 4 4.66667 21 princekennedy
discussion ip forward-protocol nd??
Last Reply 4 years 3 weeks ago.
71228 0 5 8 lcaruso
discussion Ask the Expert: Nexus Virtual Port Channel (vPC)
Last Reply 3 years 10 months ago.
66952 0 4.9 36 habadr
discussion Hulc LED Process
Last Reply 2 months 3 weeks ago.
63809 3 5 28 Paolo Bevilacqua
discussion how to reset cisco router 1841 password
Last Reply 6 months 3 weeks ago.
63646 0 5 13 mmcgrane
discussion Catalyst 2950, need to reset to factory defaults. Lost password.
Last Reply 3 years 10 months ago.
63613 0 5 1 Reza Sharifi
discussion How can I determine the IP address of my Cisco 2950 switch?
Last Reply 1 year 6 days ago.
62980 0 0 16 sheabernard
discussion Default password for Catalyst 2960-C Layer 3 Switch
Last Reply 1 year 2 months ago.
61981 0 0 11 Richard Burts
discussion load-interval 30
Last Reply 7 years 3 months ago.
57744 0 5 7 Joseph W. Doherty
discussion 2960S - Password required, but none set
Last Reply 3 months 6 days ago.
55795 1 6.66667 16 craig.wells
discussion no ip unreachables
Last Reply 1 year 3 months ago.
55348 0 4.5 8 Umesh Shetty
discussion Error opening tftp (Timed out)
Last Reply 3 weeks 2 days ago.
55074 3 4.8 41 tolinrome tolinrome
discussion Vlan UP line protocol Down
Last Reply 5 years 5 months ago.
54404 0 5 3 ganeshh.iyer
discussion How to Abort Traceroute Execution?
Last Reply 2 months 3 days ago.
46323 1 5 14 johnbehring
discussion srr-queue bandwidth share and shape questions
Last Reply 5 years 9 months ago.
41564 0 4.625 7 Edison Ortiz
discussion What exactly does mac-address sticky do?
Last Reply 5 years 2 months ago.
40573 1 5 6 tgrundbacher
discussion How to stack 2 3750 switches?
Last Reply 4 years 7 months ago.
39989 0 4.5 11 gnaveen
discussion no ip dhcp use vrf connected
Last Reply 2 years 6 months ago.
38202 0 5 10 evan.clark
Filter Results
Subject Viewssort ascending Rating Comments Author
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 2 months 2 weeks ago.
292676
5.0
37
What is the difference between an IP base image and an IP services image
Last Reply 1 year 4 months ago.
181302
5.0
9 tahirshabbir
How to define the VLANs allowed on a trunk link
Last Reply 7 months 1 day ago.
179640
5.0
2 TCC_2
How to configure port monitoring (SPAN) on a Catalyst 2940, 2950, 2955, 2970, 3550 or 3750 series switch
Last Reply 6 years 1 week ago.
144014
0.0
0 TCC_2
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 month 14 hours ago.
119220
4.7
51 ashirkar
Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 5 months 1 day ago.
117756
4.0
1 Shaun Hummel
How to configure the ip default-gateway command on a Cisco 3550 series switch
Last Reply 6 years 1 week ago.
109832
5.0
0 TCC_2
Importance of BPDU Guard and BPDU Filter !!
Last Reply 1 month 4 weeks ago.
95995
4.7
12 ganeshh.iyer
How to configure jumbo or giant frame support on a Cisco Catalyst switch
Last Reply 5 years 12 months ago.
84166
0.0
0 TCC_2
How to use Time-Domain Reflectometer (TDR)
Last Reply 3 months 2 days ago.
74826
5.0
68 Leo Laohoo
Add port To Vlan
Last Reply 6 years 1 month ago.
63979
5.0
0 ITA Terms
How to find and display the GBIC and SFP module details installed in Catalyst 6500 series switches
Last Reply 6 years 1 week ago.
53217
5.0
0 TCC_2
Egress QOS
Last Reply 3 weeks 3 days ago.
52907
5.0
13 somgupta
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 4 months 2 weeks ago.
49882
4.6
6 Thamaraiselvam Santhanam
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 2 months 2 weeks ago.
47970
5.0
2 James D Hensley
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 5 months 1 day ago.
47047
5.0
12
How to disable STP on a per port basis in Cisco Catalyst switches
Last Reply 6 years 1 week ago.
45710
0.0
0 TCC_2
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 3 months 1 week ago.
41742
4.7
6 ashirkar
How to add and remove a Cisco Catalyst 3750 switch from the existing switch stack
Last Reply 6 years 1 week ago.
39739
0.0
0 TCC_2
How to configure port security on Cisco Catalyst switches that run Cisco IOS system software
Last Reply 2 years 7 months ago.
38585
5.0
0 TCC_2
Port status is errdisable due to BPDU guard
Last Reply 2 years 6 months ago.
38373
0.0
0 TCC_2
How to replace or hot swap modules in a Catalyst 6500 series switch
Last Reply 6 years 1 week ago.
38277
0.0
0 TCC_2
OSPF Design Best Practices
Last Reply 6 months 1 week ago.
37872
0.0
2 pnagpal
Using 3850 Embedded Wireshark (Wired)
Last Reply 3 months 1 week ago.
36846
5.0
2 Colby Beam
IPV6 on the Cisco 877
Last Reply 4 years 7 months ago.
34654
5.0
0 Andrew Judson
Filter Results
Subject Viewssort ascending Rating Comments Author
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 1 month ago.
47035
5.0
7 Aninda Chatterjee
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 3 weeks 4 days ago.
25748
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 6 months 21 hours ago.
19842
4.6
12 jakula
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 1 week ago.
18029
5.0
3 ajaju
blog Nexus 7000 ACL logging (OAL)
Last Reply 2 years 3 weeks ago.
16580
5.0
7 Robert Taylor
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 3 years 2 weeks ago.
11072
5.0
7 pnagpal
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
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8210
5.0
9 rucjain
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 9 months 2 weeks ago.
7306
5.0
7 Robert Taylor
blog Troubleshooting L2 issues - ARP Poisoning
Last Reply 3 years 6 months ago.
7270
0.0
4 rparames
blog Troubleshoot L2 Connectivity Issue : VTP PRUNING
Last Reply 3 years 8 months ago.
7255
5.0
3 rparames
blog Switch: How to test a cable status?
Last Reply 1 year 4 months ago.
7046
5.0
3 Anand G
blog Configuring a frame-relay switch
Last Reply 1 year 2 months ago.
6466
5.0
7 Aninda Chatterjee
blog Router Crashes
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5906
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1 ajaju
blog The best CCO document link for Peer-Gateway on vPC/Nexus7000
Last Reply 4 years 4 months ago.
4547
5.0
0 kyukim
blog Multicast for the heart Part I: IGMP
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4373
4.8
1 Aninda Chatterjee
blog New Cisco 5915 ESR
Last Reply 3 years 2 months ago.
4236
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2 Sonal Singh
blog Important Nexus 7000 NX-OS Software Update
Last Reply 3 years 1 month ago.
4096
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0 ctripoli
blog FabricPath: Cisco’s New Technology of Extending Layer 2 Network Without Spanning Tree
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3225
0.0
0 TS-newsletter
blog MPLS Conference 2010 and Cisco Leadership
Last Reply 4 years 8 months ago.
3112
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0 mmorrow
blog From Internet of Things to Web of Things
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2548
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0 mmorrow
blog How to build the topology of an OSPF area
Last Reply 1 year 1 week ago.
2444
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5 Aninda Chatterjee
blog Converting IOS to CatOS in Production Switch
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2430
3.0
6 Tripat Singh
blog Parity Error.
Last Reply 2 years 3 days ago.
2363
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4 InayathUlla Sharieff
blog Machine-to-Machine Communications as a Subset of Internet of Things
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2106
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blog About "TestErrorCounterMonitor" in 6500/7600
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2006
4.7
1 Anand G
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