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.

Hello,I need help configuring redundancy with mt 6513 running 2x sup2t modules located in blades 7 & 8. My question is, is this even possible?...
2 min 9 sec ago
Greetings!Currently every Cisco device authenticates with a RADIUS server we have on campus. I'm trying to add a local user account onto our switch...
42 min 5 sec ago
Hi! I have a cisco 2800 series router with a wireless lan controller module installed. Everything is working ok but i want to have access to the wl...
2 hours 7 min ago
In regards to the 6800 Instant Access Solution, it's my understanding that the current OS (Release 15.1(2)SY) will support 1008 host ports across 2...
by vzambo
2 hours 41 min ago
Hello,  I opening again the subject because nobody answere on my question.This time i attached a sample made in Packet Tracer with my problem.So do...
4 hours 55 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6739 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion Cisco 6513 Sup2t HELP!!!!!!!!!!
Last Reply 2 min 9 sec ago.
0 0 0.0 0 aguayoismael90
discussion QOS on Cisco 6880x
Last Reply 16 min 42 sec ago.
0 0 0.0 1 Jon Marshall
discussion Cisco Bug: CSCtf85481 - Sup6L-E reloads silently
Last Reply 24 min 45 sec ago.
15 0 0.0 3 m.teixeira
discussion Adding Local User Account Alongside RADIUS
Last Reply 42 min 5 sec ago.
0 0 0.0 0 nstahl2124
discussion Packet Loss - Cisco2960X with Port Macro
Last Reply 56 min 8 sec ago.
8 0 0.0 2 Tiago Nunes
discussion ARP issues with 3750X & 2960X Stack
Last Reply 1 hour 9 min ago.
16 0 0.0 3 dean.anderson@k...
discussion Do Catalyst switches forward Precision Time Protocol (PTP) packets?
Last Reply 1 hour 22 min ago.
16 0 0.0 4 kyle dickinson
discussion High number of output drops
Last Reply 1 hour 46 min ago.
0 0 0.0 1 Joseph W. Doherty
discussion D-O-R-A DHCP Fundamentals
Last Reply 2 hours 7 min ago.
10 0 0.0 1 Aaron Harrison
discussion wireless lan controller module accessible from the web via external ip
Last Reply 2 hours 7 min ago.
0 0 0.0 0 nisiotisr
discussion Inter vlan routing with ipv6
Last Reply 2 hours 17 min ago.
1112 0 0.0 2 robertmeier
discussion Cisco VSS dual-active fast-hello not supported
Last Reply 2 hours 19 min ago.
11 0 0.0 1 alessandro.s
discussion 3750-X Switch CPU Utilisation
Last Reply 1 hour 53 min ago.
14 0 0.0 2 stuwrenuk
discussion voice qos
Last Reply 2 hours 36 min ago.
28 0 0.0 5 Joseph W. Doherty
discussion 6800 Host Ports, Access Clients and Stacking Limitations
Last Reply 2 hours 41 min ago.
0 0 0.0 0 vzambo
discussion Mitigating/Avoiding RSTP race condition
Last Reply 4 hours 3 min ago.
24 0 5 2 fabasoft-534
discussion Cisco Catalyst 6500 Supervisor Engine 2T Baseboard
Last Reply 4 hours 10 min ago.
11 0 0.0 1 Jon Marshall
discussion Standalnone & Light Weight AP roaming possible?
Last Reply 4 hours 37 min ago.
5 0 0.0 1 Ahmed Mukhtar
discussion Open Subj:SNAT on CISCO ROUTER(change source IP)
Last Reply 4 hours 55 min ago.
3 0 0.0 0 leonard.docea
discussion DHCP Snooping Router on a Stick
Last Reply 5 hours 8 min ago.
10 0 0.0 1 Dragan Ilic
discussion 4500 Sup7E Show QoS packet statistics
Last Reply 3 days 5 hours ago.
6 0 0.0 0 mark_shrimpton
discussion OTV cross-connected even and odd VLANs
Last Reply 6 hours 41 min ago.
26 0 5 3 Kevin Dorrell
discussion Mixed stacking with 3750x and 3650x.
Last Reply 7 hours 5 min ago.
8 0 0.0 1 InayathUlla Sharieff
discussion Cisco 3850 routing issues
Last Reply 7 hours 10 min ago.
39 0 0.0 6 Jack Curtis
Filter Results
Subject Views Rating Comments Author
Single-sided vs double-sided vpc
Last Reply 1 day 18 hours ago.
8583
3.7
15 pnagpal
EEM Script for collecting data during Intermittent High CPU issue
Last Reply 2 years 5 months ago.
6787
0.0
3 pnagpal
Troubleshooting Nexus 7000 - Useful commands
Last Reply 3 years 2 months ago.
3646
0.0
3 pnagpal
Cheat-sheet for Catalyst 6500 with Sup 720
Last Reply 3 years 4 months ago.
6986
0.0
2 pnagpal
Deep dive into EIGRP Summarization
Last Reply 3 years 7 months ago.
15
0.0
0 pnagpal
Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 1 year 1 month ago.
93664
4.0
1 Shaun Hummel
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 1 week 5 days ago.
54021
4.5
5 Thamaraiselvam Santhanam
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 1 week 1 day ago.
40123
5.0
12 SunilKhanna
Redundant-power-supply support on the Cisco Catalyst Express 500 Series switches
Last Reply 5 years 8 months ago.
392
0.0
0 TCC_2
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 3 weeks 6 days ago.
96803
4.7
47 ashirkar
example of Embedded Event Manager (EEM) on my 881W - to shut down a interface at 1am
Last Reply 4 weeks 15 hours ago.
191
4.0
2 dshornstein
OSPF and IS-IS Differences
Last Reply 4 weeks 22 hours ago.
3858
5.0
1 inderdeeps
Switch Fabric- Troubleshooting tips
Last Reply 3 years 3 months ago.
18368
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 1 week ago.
21932
5.0
4 TCC_2
Troubleshooting tips for 3750X Stack power feature
Last Reply 1 month 1 week ago.
13125
4.0
5 pnagpal
ITD: Load Balancing, Traffic Steering & Clustering using Cisco switches
Last Reply 1 month 1 week ago.
55
5.0
0 expertadvisor20151
Configuring Microsoft NLB on Nexus 7000
Last Reply 1 month 1 week ago.
5120
5.0
2 mrabbi
OSPF Design Best Practices
Last Reply 1 month 2 weeks ago.
34893
0.0
2 pnagpal
Importance of BPDU Guard and BPDU Filter !!
Last Reply 1 month 2 weeks ago.
79235
4.7
11 ganeshh.iyer
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 1 month 2 weeks ago.
27330
3.7
3 TCC_2
Nexus - vPC Recommendations
Last Reply 1 month 3 weeks ago.
17500
5.0
2 pnagpal
Known Issues on Cisco 7600 Router ES+ Line Cards
Last Reply 1 month 4 weeks ago.
12479
5.0
6 Aleksandar Vidakovic
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 1 month 1 week ago.
21544
4.6
12 jakula
blog License Activation on 4500
Last Reply 4 months 2 weeks ago.
153
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 4 months 3 weeks ago.
7010
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 7 months 3 weeks ago.
2105
5.0
5 aninchat
blog Booting Cisco Router from a TFTP server
Last Reply 7 months 3 weeks ago.
14475
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 8 months 1 week ago.
37119
5.0
7 aninchat
blog Configuring a frame-relay switch
Last Reply 9 months 3 weeks ago.
5811
5.0
7 aninchat
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 10 months 2 hours ago.
369
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 days ago.
121
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 10 months 1 week ago.
97
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 10 months 3 weeks ago.
303
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 2 years 10 months ago.
1012
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.
709
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 2 years 1 month ago.
81
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 3 years 11 months ago.
20655
5.0
0 shashasi
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 10 months ago.
7898
5.0
9 rucjain
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 11 months 2 weeks ago.
271
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 11 months 3 weeks ago.
4738
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 3 months ago.
1415
0.0
1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 6 months ago.
1758
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 7 months ago.
2258
4.5
4 InayathUlla Sharieff
Filter Results
LAN, Switching and Routing
Views: 797
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1003
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 628
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 12495
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 4.8 (4 ratings)
LAN, Switching and Routing
Views: 283
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 353
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 4 (1 ratings)
LAN, Switching and Routing
Views: 169
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 191
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 433
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 9
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 24
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 34
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 201
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 293
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 368
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 5 (3 ratings)
by vbhutta
LAN, Switching and Routing
Views: 450
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
by rucjain
LAN, Switching and Routing
Views: 230
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 10
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 313
  • 1
  • 2
  • 3
  • 4
  • 5
Average Rating: 5 (2 ratings)
LAN, Switching and Routing
Views: 169
  • 1
  • 2
  • 3
  • 4
  • 5
Average 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
  • 1
  • 2
  • 3
  • 4
  • 5
January 17th, 2012
Webcasts
July 29th, 2012
Ask the Expert
December 12th, 2012
Techtalks
  • 1
  • 2
  • 3
  • 4
  • 5
July 26th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 31st, 1969
Facebook Forums
May 24th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
October 10th, 2011
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
January 6th, 2014
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 10th, 2009
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
July 31st, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 14th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 28th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 9th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
March 11th, 2012
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5

Actions

Login or Register to take actions
 

Popular Discussions

Popular Documents

Rank Username Points
1 16,109
2 9,218
3 8,197
4 7,626
5 7,558
Rank Username Points
378
225
121
96
55