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! I'm having an issue with my 4510R-E. It hasn't effected services (yet), but I'm concerned. I've been reading through the docs but can't seem t...
5 hours 18 min ago
I am trying to configure a floating route but an aggregate route already exist in the routing table.  As such the floating route is more specific a...
15 hours 46 min ago
Hi team !I'm trying to get the CPU Utilization of my SG220-50 50-Port Gigabit Smart Plus Switch : I downloaded the correct MIB directly from CISCO...
19 hours 26 min ago
Hello, We use a lot of WS-2960-48TT-L, and since the ip http secure-server + ISE implementation, we have a lot of crash. In 1 month, i replaced 7-...
21 hours 16 min ago
         
Switches 6724 569 6 1 0
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Filter Results
sort ascending Subject Views Votes Rating Replies Last replied by
discussion interface counter input overrun and ignored
Last Reply 1 hour 11 sec ago.
0 0 0 0 adfsdafs adsfafds
discussion Corrupt device
Last Reply 3 hours 32 min ago.
0 0 0 2 KWillacey_2
discussion no switchport in 3750-x
Last Reply 2 sec ago.
9 0 0 4 rolig0507
discussion Downgrade a DFC3 card to CFC
Last Reply 5 hours 24 min ago.
0 0 0 1 pwwiddicombe
discussion VRF unable to ping gateway from pc
Last Reply 2 hours 55 min ago.
6 0 0 1 Reza Sharifi
discussion ASR 1002 failed to do Natting 4x1 for 255 ips !!!!
Last Reply 7 hours 1 min ago.
0 0 0 0 Ahmed M Alzaeem
discussion Cisco SG 300-52 (SRW2048-K9-NA) 52-Port Gigabit Managed Switch - Configuration
Last Reply 7 hours 22 min ago.
0 0 0 0 koraykoray
discussion Cisco VSS - STP - Port Channel
Last Reply 7 hours 12 min ago.
0 0 5 3 davy.timmermans
discussion NX-OS 5548UP Upgrade path from 5.0.3.N2.1 to 7.0.7.N1.1
Last Reply 9 hours 38 min ago.
0 0 0 0 christopher.woo...
discussion c3560-ipbasek9-mz.150-2.SE9
Last Reply 4 hours 18 min ago.
9 0 0 1 Leo Laohoo
discussion Using DTP on a port-channel
Last Reply 7 hours 59 min ago.
10 0 0 3 Jeremy DUBRULLE
discussion Cisco 2960x SVI do not get DHCP
Last Reply 9 hours 2 min ago.
11 0 0 1 paul driver
discussion FNF (Netflow) Not getting TCP/UDP ports or interfaces
Last Reply 10 hours 57 min ago.
1 0 0 0 bnidacoc
discussion NTP Invalid insane
Last Reply 12 hours 42 min ago.
0 0 0 0 Vincent Boulet
discussion What does the "no platform punt-keepalive disable-kernel-core" command mean?
Last Reply 12 hours 23 min ago.
0 0 5 2 rweir0001
discussion PWR-80W-AC vs PWR-1900-POE
Last Reply 10 hours 36 min ago.
5 0 0 3 Furose M
discussion Default Route Redistribution into OSPF (from other Routing Protocols)
Last Reply 13 hours 20 min ago.
0 0 5 3 Peter Paluch
discussion Downgrade WS-C3850-24T-E (16.x -> 3.x) -
Last Reply 3 hours 12 min ago.
20 0 0 10 Furose M
discussion Cisco 3850 switches that need to be set up as a chassis.
Last Reply 14 hours 30 min ago.
0 0 5 2 victoriabardy
discussion switch at vlan 20 cannot communicate with vlan 10 (IP routing enabled)
Last Reply 13 hours 26 min ago.
15 0 0 7 pwwiddicombe
discussion ISP Handoff to 2950
Last Reply 13 hours 37 min ago.
9 0 0 1 [email protected]
discussion List of books for CCIE Routing and Switching v5.1
Last Reply 14 hours 46 min ago.
3 0 5 2 Carlos Villagran
discussion upload a file to RP's bootdisk of 6500 through CMP?
Last Reply 14 hours 39 min ago.
4 0 0 5 Furose M
discussion VSS linking to 2 stacks
Last Reply 12 hours 42 min ago.
8 0 0 6 paul driver
discussion Using GLC-T modules in SFP+ ports
Last Reply 15 hours 33 min ago.
1 0 5 2 Luxoft Professional
Filter Results
Subject Views Rating Comments Author
Webcast FAQs: Catalyst 2960X & 2960XR Switches Overview, Configuration and Troubleshooting
Last Reply 1 week 1 day ago.
0
0.0
0 roor
DHCP listener
Last Reply 1 week 3 days ago.
0
0.0
0 netbeginner
Webcast Slides: Cisco Catalyst 2960-X and 2960-XR Series Switches Overview, Configuration,
Last Reply 1 week 1 day ago.
115
5.0
0 roor
virtual switching system (vss) español
Last Reply 2 weeks 1 day ago.
4
0.0
0 jmp780718
CCNP Switching Notes Español
Last Reply 2 weeks 1 day ago.
5
0.0
0 jmp780718
Easy Traffic Generator (Works with GNS3)
Last Reply 2 weeks 5 days ago.
0
0.0
0 Carlos Villagran
Changing a Switch Member Number in a 3850 Stack
Last Reply 3 weeks 1 day ago.
0
0.0
0 Carlos Villagran
Catalyst 4500 CPU Packet Buffer Parser
Last Reply 3 weeks 4 days ago.
3
0.0
0 aeguiart
NXOS Log Finder Tool for Nexus Switches
Last Reply 2 weeks 5 days ago.
53
4.5
0 aeguiart
Cisco CatOS vs. IOS Commands
Last Reply 4 weeks 11 hours ago.
1
0.0
0 Daniel Vieceli
Recognize the purpose & functions of various network devices:Router, Switch, Hub & Bridge.
Last Reply 1 month 1 week ago.
40
0.0
0 Gerald C. Paciello
Resilience between sites
Last Reply 2 months 2 weeks ago.
10
0.0
1 Jamie Hancock
Does cisco 2921 ip base supports nat and static route ....can any one please advise
Last Reply 2 months 5 days ago.
20
0.0
3 mohdayaz1981
플레이텍카지노\☏\『 HAR24.COM 』\【월드카지노】플레이텍카지
Last Reply 2 months 3 weeks ago.
11
0.0
0 jjihoon387
Password Recovery for cisco cat 2960, 3550, 3560 and 3750 switches
Last Reply 3 months 5 days ago.
243
0.0
0 rmelumal
QUICK TIPS: Installing Multiple Cisco Switches - Video
Last Reply 4 months 1 week ago.
13
0.0
0 tfortunato
DHCP Static Binding on Cisco IOS
Last Reply 4 months 2 weeks ago.
49
0.0
0 indrapalccna
34 Things about OSPF
Last Reply 4 months 3 weeks ago.
123
0.0
0 inderdeeps
4500X-32 IOS upgrade procedure
Last Reply 5 months 2 weeks ago.
119
0.0
0 butturwa
I am receiving some error like broadcast and input error please see detail, Is it normal ?
Last Reply 7 months 2 weeks ago.
67
0.0
1 junaidmumtazcisco
SSH/Telnet not happening to Catalyst 6K due to SSH RSA_Sign:Private key not found.
Last Reply 8 months 1 week ago.
54
5.0
0 InayathUlla Sharieff
copying image on the Standby Sup issue sometimes seen < Unknown error 0>
Last Reply 8 months 1 week ago.
117
0.0
0 InayathUlla Sharieff
%C4K_SUPERVISOR-2-SOFTERROR / %C4K_SUPERVISOR-2-FPGASOFTERROR
Last Reply 9 months 1 day ago.
52
0.0
0 InayathUlla Sharieff
Properly Installing Cisco USB Console Driver
Last Reply 9 months 1 week ago.
470
0.0
1 LJ Gabrillo
How to Form a Catalyst 3850 Data-Stack and Power-Stack
Last Reply 1 month 1 week ago.
2535
5.0
4 Luis Villanueva Brito
Filter Results
sort ascending Subject Views Rating Comments Author
blog SWITCH configuration
Last Reply 2 weeks 3 days ago.
14
0.0
0 julius78_baclaan1
blog IPv6 for future CCNAs (+) – Final Part.
Last Reply 3 weeks 2 days ago.
138
0.0
0 Gerald C. Paciello
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 3 weeks 3 days ago.
9
0.0
0
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 3 weeks 3 days ago.
5
0.0
0
blog IPv6 for future CCNAs – Part II
Last Reply 1 month 23 hours ago.
229
5.0
0 Gerald C. Paciello
blog IPv6 for future CCNAs – Part I
Last Reply 1 month 2 days ago.
350
4.0
1 Gerald C. Paciello
blog How would a multicast be delivered with incongruent IP/MAC addressing?
Last Reply 1 month 8 hours ago.
232
5.0
4 Peter Paluch
blog Spanning Tree Protocol, from a feature CCNA´s Perspective, by Gerald C. Paciello
Last Reply 1 month 2 weeks ago.
904
5.0
0 Gerald C. Paciello
blog Collector Security
Last Reply 6 months 1 week ago.
27
0.0
0 marobbs
blog Network Optimization: The 90-Day Plan
Last Reply 6 months 3 weeks ago.
76
0.0
0 marobbs
blog Who Should Attend The Kickoff Meeting?
Last Reply 6 months 2 weeks ago.
52
0.0
0 marobbs
blog Prepare for the Collector
Last Reply 7 months 1 week ago.
60
0.0
0 marobbs
blog Expert Insights: Network Optimization
Last Reply 7 months 1 week ago.
61
0.0
0 marobbs
blog Network Compliance Analysis
Last Reply 7 months 1 week ago.
57
0.0
0 marobbs
blog Three Tips for a Successful Review Period
Last Reply 7 months 1 week ago.
53
0.0
0 marobbs
blog Active /Active Internet Load balancing with High availability ( AS Prepend Path)
Last Reply 7 months 3 weeks ago.
266
5.0
0 Ganesh Hariharan
blog License Activation on 4500
Last Reply 1 year 7 months ago.
1124
0.0
1 sheraz butt
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 2 years 1 week ago.
397
5.0
0 Francine Richards
blog Upcoming Ask the Expert Event with Cisco Designated VIP Marwan Al-shawi May 12-23
Last Reply 2 years 1 week ago.
142
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 2 years 3 weeks ago.
141
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 2 years 1 month ago.
544
5.0
0 hsticher
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 2 years 1 month ago.
344
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 2 years 2 months ago.
15935
5.0
3 Anand G
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 2 years 9 months ago.
2571
4.7
1 Anand G
blog How to build the topology of an OSPF area
Last Reply 1 year 10 months ago.
3353
5.0
5 Aninda Chatterjee
Filter Results
by roor
LAN, Switching and Routing
Views: 378
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 23783
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4.8 (4 ratings)
LAN, Switching and Routing
Views: 54
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1449
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1369
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 964
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 427
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 456
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4 (1 ratings)
LAN, Switching and Routing
Views: 277
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 287
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 716
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 8
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 59
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 41
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 436
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 745
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 535
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 491
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 15
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 357
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
LAN, Switching and Routing
Views: 230
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
Filter Results

This Month

Events

April 18
Ask the Expert
January 25
Ask the Expert
October 4, 2015
Ask the Expert
September 7, 2015
Ask the Expert
May 11, 2015
Ask the Expert
April 13, 2015
Ask the Expert
January 5, 2015
Ask the Expert
July 21, 2014
Ask the Expert
March 31, 2014
Ask the Expert
April 1, 2014
Webcasts
March 10, 2014
Webcasts
  • 1
  • 2
  • 3
  • 4
  • 5
December 12, 2012
Techtalks
  • 1
  • 2
  • 3
  • 4
  • 5
July 30, 2012
Ask the Expert
October 21, 2013
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 29, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
July 27, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 31, 1969
Facebook Forums
May 21, 2012
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
March 12, 2012
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5

Announcements

Actions

 
 

Popular Discussions

Popular Documents

Rank Username Points
1 18,800
2 10,783
3 9,354
4 8,670
5 8,290
Rank Username Points
227
172
83
82
75