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 allI'm working towards a CCNA certification and have been sitting a playing around wiht a single Catalyst 3560 24 port switch, with (C3560-IPSER...
1 min 36 sec ago
Hi I am looking to purchase  a couple of switches to get the idea of using the CLI and trunking etc.What would be a good one to buy?I was looking a...
6 hours 28 min ago
Is there any way to change the behavior of the port LEDs on a 4948-S?  Default is link state and looking for activity blink instead.  There is no "...
10 hours 3 min ago
Dear AllI have a 2504 Wireless Controller with multiple radios attached. I currently have a "private" WLAN configured (taking ip from windows serve...
10 hours 3 min ago
Hi All, I have scenario where i have 2 WAN links MPLS(2MB) is primary and DMVPN(4MB) is secondary link ,since this 2MB primary is being over utiliz...
17 hours 53 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6738 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion Inter VLAN routing on 3560 switch, and connection to router
Last Reply 1 min 36 sec ago.
0 0 0.0 0 nbhpro111
discussion Lab Switch recommendation needed
Last Reply 24 min 31 sec ago.
0 0 0.0 1 Leo Laohoo
discussion Changing native vlan on running network
Last Reply 1 hour 51 min ago.
14 0 0.0 1 Reza Sharifi
discussion Lab Switch recommendation needed
Last Reply 2 hours 55 sec ago.
3 0 0.0 1 Reza Sharifi
discussion How to control multicast within one same Lan ?
Last Reply 4 hours 58 min ago.
46 0 0.0 8 showipinterface
discussion VS-S720-10G-3C Line Card compatibility
Last Reply 6 hours 6 min ago.
46 0 5 10 rakeshvelagala
discussion Lab Switch recommendation needed
Last Reply 6 hours 28 min ago.
0 0 0.0 0 sl1210user
discussion static NAT configured ip address don't get internet access
Last Reply 6 hours 32 min ago.
5 0 0.0 2 govindaghr
discussion Port channel issue
Last Reply 6 hours 37 min ago.
53 0 4 7 Madhukrishnan G...
discussion Cabling Pin questions
Last Reply 6 hours 40 min ago.
6 0 0.0 2 sl1210user
discussion SRE Module Drives
Last Reply 7 hours 20 min ago.
3 0 0.0 2 schaef350
discussion how-do-i-configure-guest-wifi-access-using-2504-wlc-fortigate-utm-l3-device
Last Reply 8 hours 53 min ago.
0 0 0.0 0 vashistsonu
discussion disconnecting nexus fex's
Last Reply 9 hours 1 min ago.
0 0 0.0 1 Reza Sharifi
discussion Upgrading IOS on 4500x Switches
Last Reply 9 hours 7 min ago.
11870 0 0.0 15 Marvin Rhoads
discussion Catalyst 4948 port LED modes?
Last Reply 10 hours 1 min ago.
0 0 0.0 0 Josh Mahar
discussion Cisco WS-C4500X-16 10G twinax cable support issue
Last Reply 10 hours 16 min ago.
2 0 0.0 2 Md. Abdul Mannan
discussion creating network adapter in windos xp
Last Reply 13 hours 23 min ago.
3 0 0.0 1 Rolf Fischer
discussion Blocking FastEthernet - Inconsistent port type
Last Reply 17 hours 14 min ago.
8 0 0.0 1 Aninda Chatterjee
discussion Routing
Last Reply 17 hours 53 min ago.
0 0 0.0 0 uma.kashi
discussion Port Forward in Cisco series 800
Last Reply 18 hours 44 min ago.
1 0 0.0 0 Medhat Mohammed...
discussion Verify NTP master config
Last Reply 21 hours 54 min ago.
17 0 0.0 6 Richard Burts
discussion FWSM/Cat 6500 - Traffic from fwsm context hitting RP -> high interrupts
Last Reply 1 day 2 hours ago.
0 0 0.0 0 Malette40
discussion Some of POE ports not working in 3850F-S 48 port switch
Last Reply 1 day 3 hours ago.
21 0 0.0 5 Ramprasath Sadasivam
discussion Route outside Error Details inside
Last Reply 1 day 3 hours ago.
7 0 0.0 1 Ramprasath Sadasivam
discussion 2 Router on 1 switch with Different network?
Last Reply 1 day 4 hours ago.
14 0 0.0 1 Ramprasath Sadasivam
Filter Results
Subject Views Rating Comments Author
Using 3850 Embedded Wireshark (Wired)
Last Reply 4 days 7 hours ago.
35711
5.0
2 Colby Beam
The "%C6KENV-SP-4-MINORTEMPALARM:" error message displays in Catalyst 6500 series switches with Sup720 that runs Cisco IOS system software
Last Reply 4 days 15 hours ago.
3623
0.0
1 TCC_2
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 5 days 5 hours ago.
33926
4.7
6
Temperature alarms on WS-X6904-40G
Last Reply 1 week 3 days ago.
8
5.0
0 Madhukrishnan Gopinathan Nair
How to configure an IP access list to control directed broadcasts for the Wake-on-LAN setup
Last Reply 1 week 4 days ago.
2803
0.0
1 TCC_2
Nexus - vPC Recommendations
Last Reply 1 week 5 days ago.
18533
5.0
3 pnagpal
Increased Total output drops/OutDiscards by QoS for Desktop Series Switches Products
Last Reply 2 weeks 5 days ago.
16
0.0
0 Csc TsWebDocs
Telnet session to FWSM module disconnects due to MTU size issues in 6500 or 7600 switches
Last Reply 3 weeks 4 days ago.
1412
0.0
0 TCC_2
X2-10GB-LRM vs X2-10GB-SR compatability
Last Reply 3 weeks 4 days ago.
1399
0.0
9 yogesh rajguru
Fortify Your LAN with Cisco Catalyst Switching - FAQ from live webcast
Last Reply 3 weeks 5 days ago.
139
5.0
0 Anim Saxena
QoS marking based on the “trust dscp” IOS CLI command
Last Reply 3 weeks 6 days ago.
24
0.0
0 ben.epskamp
Catalyst 6800 VSS Quad-Sup SSO and Instant Access Overview - FAQ from live webcast
Last Reply 1 month 1 day ago.
4784
5.0
2
The %SUPQ-4-CPUHB_RECV_STARVE: Still seeing receive queue stuck after throttling error message is displayed in the logs of Cisco Catalyst 2970, Catalyst 3560, or Catalyst 3750 Metro series switches running Cisco IOS System Software
Last Reply 1 month 1 week ago.
7119
0.0
1 TCC_2
SNMP Engine over 80% CPU 100%!!! ?
Last Reply 1 month 1 week ago.
4256
0.0
3 vita_user
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 1 month 1 week ago.
44267
4.5
6 Thamaraiselvam Santhanam
3850: Understanding interface configuration on NM modules
Last Reply 1 month 1 week ago.
16430
5.0
8 Richard Primm
Password Recovery on Cisco Catalyst 3850
Last Reply 1 month 1 week ago.
1938
0.0
2 Collin Clark
Cisco 2911 Stuck in ROMMON After CF Format
Last Reply 1 month 1 week ago.
124
0.0
2 Ty Gadberry
Route to Host Stuck on Switch
Last Reply 1 month 2 weeks ago.
2737
5.0
4 martinez-adrian
Single-sided vs double-sided vpc
Last Reply 1 month 3 weeks ago.
9013
3.7
15 pnagpal
EEM Script for collecting data during Intermittent High CPU issue
Last Reply 1 month 3 weeks ago.
6981
0.0
3 pnagpal
Troubleshooting Nexus 7000 - Useful commands
Last Reply 1 month 3 weeks ago.
3744
0.0
3 pnagpal
Cheat-sheet for Catalyst 6500 with Sup 720
Last Reply 1 month 3 weeks ago.
7069
0.0
2 pnagpal
Deep dive into EIGRP Summarization
Last Reply 1 month 3 weeks ago.
21
0.0
0 pnagpal
Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 1 month 3 weeks ago.
102009
4.0
1 Shaun Hummel
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 2 months 4 weeks ago.
17738
4.6
12 jakula
blog License Activation on 4500
Last Reply 6 months 1 week ago.
198
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 6 months 2 weeks ago.
7146
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 9 months 2 weeks ago.
2270
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 9 months 2 weeks ago.
16023
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 10 months 4 days ago.
40156
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 11 months 2 weeks ago.
5983
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 11 months 3 weeks ago.
386
5.0
0 Francine Richards
blog Upcoming Ask the Expert Event with Cisco Designated VIP Marwan Al-shawi May 12-23
Last Reply 11 months 3 weeks ago.
123
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 12 months 3 days ago.
107
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 1 week ago.
328
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 year 3 weeks ago.
1329
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 year 3 weeks ago.
743
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 year 3 weeks ago.
92
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 1 year 3 weeks ago.
24555
5.0
0 Shashank Singh
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 4 weeks ago.
7922
5.0
9 rucjain
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 1 year 1 month ago.
275
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 1 month ago.
5408
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 4 months ago.
1623
0.0
1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 8 months ago.
1848
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 9 months ago.
2291
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 1 year 9 months ago.
15691
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 5 months ago.
4235
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 6 months ago.
5822
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 2 years 9 months ago.
10446
5.0
7 pnagpal
Filter Results
by
LAN, Switching and Routing
Views: 886
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
by
LAN, Switching and Routing
Views: 1131
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
by
LAN, Switching and Routing
Views: 686
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 13627
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4.8 (4 ratings)
LAN, Switching and Routing
Views: 288
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 363
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4 (1 ratings)
LAN, Switching and Routing
Views: 186
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 198
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 455
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 8
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 32
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 33
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 405
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 620
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 318
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (3 ratings)
by rucjain
LAN, Switching and Routing
Views: 344
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 10
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 319
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
LAN, Switching and Routing
Views: 223
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
Filter Results

This Month

April 13th
Ask the Expert

Events

January 5th
Ask the Expert
August 15th, 2014
Ask the Expert
July 21st, 2014
Ask the Expert
July 9th, 2014
Facebook Forums
March 31st, 2014
Ask the Expert
April 1st, 2014
Webcasts
March 10th, 2014
Webcasts
January 6th, 2014
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 11th, 2011
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
May 25th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 31st, 1969
Facebook Forums
July 27th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 12th, 2012
Techtalks
July 30th, 2012
Ask the Expert
October 21st, 2013
Ask the Expert
January 17th, 2012
Webcasts
October 11th, 2009
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 1st, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 15th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 29th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 10th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5

Actions

Login or Register to take actions
 

Featured Content

Popular Discussions

Popular Documents

Rank Username Points
1
Jon Marshall
16,956
2
Reza Sharifi
9,423
3
Giuseppe Larosa
8,202
4
Leo Laohoo
7,799
5
Peter Paluch
7,654
Rank Username Points
Jon Marshall
390
Leo Laohoo
148
Reza Sharifi
124
Joseph W. Doherty
109
Charles Hill
89