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.

friends.. i have a client who is connected via wireless p2P high speed link to my site-2... source side he has multiple VLANs configured (please ch...
47 min 51 sec ago
Hello All,Has anyone any information on the following message seen during the boot up sequence on our C6880-X-LE switches ? 00:00:17.119 FW[MOD 01]...
3 hours 14 min ago
Hi All,We are using two  6500 User distribution connected with port channel also WLC is connected on Dist-2 now, these two 6500 are connected with...
3 hours 16 min ago
Configure Cisco SG-300 switch as a layer 3 route mode. Configure different vlans and try to ping inter-vlan communication but it is not working
7 hours 48 min ago
Hello,I'm trying to troubleshoot a packet loss issue that is happening randomly on a test switch.   To reproduce the problem I create a ton of voip...
11 hours 28 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 Ping L2 switch from Router on different subnet
Last Reply 17 min 11 sec ago.
0 0 0.0 1 Bilal Nawaz
discussion Please suggest one Gigabyte switch for replacing Cisco 2960 G 48 port
Last Reply 21 min 25 sec ago.
0 0 0.0 1 Bilal Nawaz
discussion Cannot ping 3850 from 4500X core
Last Reply 34 min 50 sec ago.
32 0 0.0 6 Madhukrishnan G...
discussion Memory Usage
Last Reply 36 min 40 sec ago.
27 0 0.0 3 Madhukrishnan G...
discussion VLAN/ VTP information not replicating over Wireless p2p link
Last Reply 47 min 51 sec ago.
0 0 0.0 0 JATINDER KUMAR
discussion cisco phone not getting ip address
Last Reply 52 min 52 sec ago.
0 0 0.0 2 support sbt
discussion how to syn time immediately ?
Last Reply 2 hours 16 min ago.
2 0 0.0 1 Leo Laohoo
discussion Increasing Total output drops in the Cisco switch
Last Reply 2 hours 23 min ago.
659 0 0.0 8 Joseph W. Doherty
discussion How to display Transceiver Cisco PID in Nexus platform?
Last Reply 2 hours 24 min ago.
4 0 0.0 1 Bilal Nawaz
discussion 6500 HIGH CPU, Standby HSRP state changes continuously
Last Reply 3 hours 16 min ago.
0 0 0.0 0 sign2anup
discussion 6880 boot up message connor_hwrev_px
Last Reply 3 hours 14 min ago.
2 0 0.0 0 Tim Robertson
discussion Can NOT upgrade IOS in C6880-X-LE
Last Reply 4 hours 2 min ago.
18 0 0.0 4 rakeshvelagala
discussion What's the difference between PBKDF2 and SCRYPT passwort encryption?
Last Reply 6 hours 55 min ago.
193 3 0.0 1 fcaen
discussion Sg-300 route mode problem
Last Reply 7 hours 48 min ago.
2 0 0.0 0 sKullpatel
discussion What are RxQFB Failures
Last Reply 11 hours 28 min ago.
4 0 0.0 0 jchristy81
discussion Cisco 2600 router and switch(3500xl) connection problem
Last Reply 9 hours 42 min ago.
12 0 0.0 2 rythem007
discussion EtherChannel between stacked VSS Catalyst 4500X and Stacked 2960X.
Last Reply 10 hours 55 min ago.
18 0 0.0 2 trbonja05
discussion when to move to Nexus
Last Reply 11 hours 44 min ago.
8 0 0.0 1 Reza Sharifi
discussion 6500
Last Reply 13 hours 34 min ago.
8 0 0.0 1 Reza Sharifi
discussion Inter-VLAN Routing
Last Reply 16 hours 18 min ago.
149 0 0.0 16 Jon Marshall
discussion Reason for the switch uplink and the network design - really wanted to know ;)
Last Reply 16 hours 23 min ago.
39 0 5 5 Jon Marshall
discussion sh command on router to list errors not working?
Last Reply 16 hours 54 min ago.
19 0 0.0 3 glen.grant
discussion 3750X IOS
Last Reply 17 hours 17 min ago.
37 0 0.0 6 Joseph W. Doherty
discussion uplink ports and actual sfp port in switches ( please help )
Last Reply 17 hours 59 min ago.
45 0 5 5 szejiekoh
discussion Nexus 6000 Storm Control
Last Reply 18 hours 7 min ago.
28 0 0.0 3 r.hollmer
Filter Results
Subject Views Rating Comments Author
Catalyst 6800 VSS Quad-Sup SSO and Instant Access Overview - FAQ from live webcast
Last Reply 7 hours 48 min ago.
4487
5.0
2 ashirkar
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 6 days 15 hours ago.
7006
0.0
1 TCC_2
SNMP Engine over 80% CPU 100%!!! ?
Last Reply 1 week 14 hours ago.
4196
0.0
3 vita_user
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 1 week 2 days ago.
55314
4.5
6 Thamaraiselvam Santhanam
3850: Understanding interface configuration on NM modules
Last Reply 1 week 2 days ago.
15406
5.0
8 Richard Primm
Password Recovery on Cisco Catalyst 3850
Last Reply 1 week 2 days ago.
1795
0.0
2 Collin Clark
Cisco 2911 Stuck in ROMMON After CF Format
Last Reply 1 week 5 days ago.
67
0.0
2 Ty Gadberry
Route to Host Stuck on Switch
Last Reply 2 weeks 1 day ago.
2702
5.0
4 martinez-adrian
Single-sided vs double-sided vpc
Last Reply 3 weeks 1 day ago.
8703
3.7
15 pnagpal
EEM Script for collecting data during Intermittent High CPU issue
Last Reply 2 years 6 months ago.
6838
0.0
3 pnagpal
Troubleshooting Nexus 7000 - Useful commands
Last Reply 3 years 3 months ago.
3687
0.0
3 pnagpal
Cheat-sheet for Catalyst 6500 with Sup 720
Last Reply 3 years 5 months ago.
7009
0.0
2 pnagpal
Deep dive into EIGRP Summarization
Last Reply 3 years 8 months ago.
18
0.0
0 pnagpal
Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 1 year 1 month ago.
96869
4.0
1 Shaun Hummel
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 4 weeks 1 day ago.
41028
5.0
12 SunilKhanna
Redundant-power-supply support on the Cisco Catalyst Express 500 Series switches
Last Reply 5 years 9 months ago.
396
0.0
0 TCC_2
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 month 2 weeks ago.
99872
4.7
47 ashirkar
example of Embedded Event Manager (EEM) on my 881W - to shut down a interface at 1am
Last Reply 1 month 2 weeks ago.
203
4.0
2 dshornstein
OSPF and IS-IS Differences
Last Reply 1 month 2 weeks ago.
3977
5.0
1 inderdeeps
Switch Fabric- Troubleshooting tips
Last Reply 3 years 4 months ago.
18549
5.0
2 pnagpal
The "%SW_DAI-4-DHCP_SNOOPING_DENY:" error message is received when configuring the dynamic ARP inspection in switches that run Cisco IOS Software
Last Reply 1 month 4 weeks ago.
22306
5.0
4 TCC_2
Troubleshooting tips for 3750X Stack power feature
Last Reply 2 months 1 day ago.
13505
4.0
5 pnagpal
ITD: Load Balancing, Traffic Steering & Clustering using Cisco switches
Last Reply 2 months 3 days ago.
58
5.0
0 expertadvisor20151
Configuring Microsoft NLB on Nexus 7000
Last Reply 2 months 3 days ago.
5171
5.0
2 mrabbi
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 2 months 3 days ago.
21839
4.6
12 jakula
blog License Activation on 4500
Last Reply 5 months 1 week ago.
179
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 5 months 2 weeks ago.
7036
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 8 months 2 weeks ago.
2105
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 8 months 2 weeks ago.
14475
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 9 months 3 days ago.
38430
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 10 months 1 week ago.
5885
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 10 months 3 weeks ago.
370
5.0
0 Francine Richards
blog Upcoming Ask the Expert Event with Cisco Designated VIP Marwan Al-shawi May 12-23
Last Reply 10 months 3 weeks ago.
123
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 11 months 2 days ago.
99
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 11 months 1 week ago.
314
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 2 years 10 months ago.
1020
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 2 years 9 months ago.
711
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 2 years 1 month ago.
83
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 3 years 11 months ago.
20843
5.0
0 Shashank Singh
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 10 months ago.
7934
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 6 days ago.
272
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 1 week ago.
5057
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 3 months ago.
1514
0.0
1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 7 months ago.
1801
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 8 months ago.
2274
4.5
4 InayathUlla Sharieff
Filter Results
LAN, Switching and Routing
Views: 822
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1021
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 656
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 13049
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4.8 (4 ratings)
LAN, Switching and Routing
Views: 283
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 355
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4 (1 ratings)
LAN, Switching and Routing
Views: 180
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 194
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 441
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 9
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 29
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 34
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 202
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 302
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 385
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (3 ratings)
by vbhutta
LAN, Switching and Routing
Views: 474
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
by rucjain
LAN, Switching and Routing
Views: 240
  • 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: 315
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
LAN, Switching and Routing
Views: 171
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
Filter Results

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 17th, 2012
Webcasts
July 30th, 2012
Ask the Expert
December 12th, 2012
Techtalks
July 27th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 31st, 1969
Facebook Forums
May 25th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
October 11th, 2011
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
January 6th, 2014
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
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
March 12th, 2012
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
16,516
2
Reza Sharifi
9,299
3
Giuseppe Larosa
8,202
4
Leo Laohoo
7,651
5
Peter Paluch
7,598
Rank Username Points
Jon Marshall
511
Joseph W. Doherty
110
Reza Sharifi
108
Peter Paluch
76
Bilal Nawaz
54