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.

Dear All I am trying to create a policymap with police on SVI interface but getting an error"set action(with/without table-map) is only action allo...
1 hour 35 min ago
Hello!I'm test nat on asr-1002x router. Router terminate about ~15000 pppoe users. About ~2000 vlans.Router has 3x10G links.Shaping, netflow.When r...
3 hours 4 min ago
Hi all this is my first post hope posting on the right group, if not please let me know. We recently installed a new data line and now all traffic...
6 hours 28 min ago
Dear All, I have  a scenario where my 2 4500x in VSS are connected via 2 FO  links to a Cat 6500.The 6500 is only one box and it has 2 SUP2T.The co...
10 hours 42 min ago
Dear, In our plant, we have a Ring of Industrial Switches that run the Cisco REP (Resilient Ethernet Protocol) for fast convergence. In our server...
10 hours 52 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6733 569 6 1 0
Filter Results
Subject Views Votes Ratingsort descending Replies Last replied by
discussion Cisco Switching and Apple Computers
Last Reply 1 year 3 weeks ago.
576 0 0.0 2 devils_advocate
discussion Would I use NBAR to search on DSCP values, or something else?
Last Reply 8 years 8 months ago.
445 0 0.0 1 smahbub
discussion VLAN tagging and prioritization
Last Reply 8 years 8 months ago.
611 0 0.0 7 Collin Clark
discussion Port Security behaviour with CatOS and IOS
Last Reply 8 years 8 months ago.
177 0 0.0 1 mchin345
discussion Dot1x with Nortel VoIP
Last Reply 8 years 8 months ago.
206 0 0.0 1 wong34539@yahoo.com
discussion rapid-pvst+,rapid-pvst and pvst .. which will converge first ?
Last Reply 8 years 8 months ago.
594 0 0.0 1 aghaznavi
discussion catalyst 65xx and dfc3b cards
Last Reply 8 years 8 months ago.
244 0 0.0 3 kirkster
discussion Coms Delay in One direction
Last Reply 8 years 8 months ago.
167 0 0.0 1 gmarogi
discussion point-to-multipoint metro dilema
Last Reply 7 months 3 weeks ago.
146 0 0.0 2 LA-Engineer
discussion Intelligent Load Balancing w/Agents
Last Reply 8 years 8 months ago.
182 0 0.0 1 wong34539@yahoo.com
discussion Cat 6500: strange message on startup.
Last Reply 8 years 8 months ago.
248 0 0.0 1 gmarogi
discussion vrf lite
Last Reply 8 years 8 months ago.
399 0 0.0 2 mheusinger
discussion Large distribute-list
Last Reply 8 years 8 months ago.
134 0 0.0 1 carenas123
discussion Overrun errors on Etherchannel Interfaces
Last Reply 8 years 8 months ago.
566 0 0.0 5 lwn-nenzing
discussion Confused about forwarding rate spec of cisco/nortel/3com
Last Reply 8 years 8 months ago.
176 0 0.0 1 amritpatek
discussion ip mobile
Last Reply 8 years 8 months ago.
175 0 0.0 2 fcostalunga
discussion 3750 12.2 release DHCP Issue
Last Reply 8 years 8 months ago.
276 0 0.0 1 davegibelli
discussion CE 500 remove configuration
Last Reply 8 years 8 months ago.
226 0 0.0 1 j-block
discussion 6509 Supervisor 1A continuous failure.
Last Reply 8 years 8 months ago.
145 0 0.0 1 carenas123
discussion upgrading flash
Last Reply 8 years 8 months ago.
301 0 0.0 1 sadbulali
discussion Catalyst 3560 - working with 1000BASE-BXs ???
Last Reply 8 years 8 months ago.
152 0 0.0 1 vmoopeung
discussion WS-X4013+TS= & PoE
Last Reply 8 years 8 months ago.
159 0 0.0 1 beth-martin
discussion Southbend
Last Reply 8 years 8 months ago.
228 0 0.0 2 jward@primetech...
discussion SAN topology
Last Reply 8 years 8 months ago.
327 0 0.0 1 carenas123
discussion 1841 router, not translating addresses
Last Reply 8 years 8 months ago.
271 0 0.0 1 j-block
Filter Results
Subject Views Rating Comments Author
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 2 days 7 hours ago.
114360
4.7
51 ashirkar
Egress QOS
Last Reply 4 days 2 hours ago.
51997
5.0
12 somgupta
Cisco 891 fresh configuration/management without console cable
Last Reply 2 weeks 14 hours ago.
11
0.0
0 totardo.tobing11
3850x VLAN Switch Port Active but no MAC or IP Address
Last Reply 2 weeks 18 hours ago.
76
0.0
2 TOM FRANCHINA
How to define the VLANs allowed on a trunk link
Last Reply 2 weeks 1 day ago.
25
0.0
0 KHALEELUR RAHMAN.A
unable to ping pc from (vlan-A) to pc on (vlan-B)
Last Reply 3 weeks 3 days ago.
24
0.0
0 minestraschaos1
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 4 weeks 1 day ago.
25022
3.7
4 TCC_2
Importance of BPDU Guard and BPDU Filter !!
Last Reply 4 weeks 1 day ago.
84068
4.7
12 ganeshh.iyer
The "%SPANTREE-SP-2-RECV_BAD_TLV:" error Cat 6500 Cisco IOS system software
Last Reply 1 month 3 days ago.
4046
0.0
0 TCC_2
3850 Boot Mode
Last Reply 1 month 4 days ago.
1457
0.0
1 Collin Clark
LICENSING on 2900/3500/3700
Last Reply 1 month 6 days ago.
18263
0.0
3 ranraju
Router Cisco 2921 auto reboot
Last Reply 1 month 1 week ago.
74
0.0
4 npsangvt1
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 1 month 2 weeks ago.
47
0.0
0 josecesp
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 1 month 2 weeks ago.
46361
5.0
2 James D Hensley
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 1 month 2 weeks ago.
290788
5.0
37 plumbis
The "%C4K_SWITCHMANAGER-4-S2WERRORREPORT" error message appears in the logs of a Cisco Catalyst 4500 Switch, and affects the functionality of PoE line cards
Last Reply 1 month 3 weeks ago.
8074
0.0
1 TCC_2
Password Recovery on Cisco Catalyst 3850
Last Reply 1 month 4 weeks ago.
1972
0.0
3 Collin Clark
Configuring a router Eth int or SVI to be a DHCP client
Last Reply 1 month 4 weeks ago.
4475
4.0
0 TCC_2
The card in a fixed hardware configuration Cat chassis functions improperly, not online
Last Reply 1 month 4 weeks ago.
631
0.0
0 TCC_2
How to configure a Flex Link for link-level redundancy in Cat switches that run IOS
Last Reply 1 month 4 weeks ago.
11402
0.0
0 TCC_2
%SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred Cat 6k, WS-X6348-RJ45 module reset
Last Reply 1 month 4 weeks ago.
393
0.0
0 TCC_2
How to use Time-Domain Reflectometer (TDR)
Last Reply 2 months 3 days ago.
72559
5.0
68 Leo Laohoo
Retrieving Core files from Cisco Nexus switching platforms
Last Reply 2 months 5 days ago.
14132
5.0
1 Yogesh Ramdoss
Using 3850 Embedded Wireshark (Wired)
Last Reply 2 months 1 week ago.
36460
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 2 months 1 week ago.
3775
0.0
1 TCC_2
Filter Results
Subject Views Rating Comments Author
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 0 sec ago.
24555
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 5 months 5 days ago.
17786
4.6
12 jakula
blog License Activation on 4500
Last Reply 8 months 2 weeks ago.
201
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 8 months 3 weeks ago.
7154
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 11 months 2 weeks ago.
2274
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 11 months 2 weeks ago.
16081
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 5 days ago.
40336
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 1 year 1 month ago.
5999
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 1 year 1 month 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 1 year 1 month ago.
124
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 2 months ago.
107
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 2 months ago.
328
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 year 2 months ago.
1329
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 year 2 months ago.
743
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 year 2 months ago.
94
5.0
0 jakula
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 3 months ago.
7925
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 3 months ago.
276
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 3 months ago.
5448
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 6 months ago.
1627
0.0
1 Ramu Gajula
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 10 months ago.
1859
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 11 months ago.
2294
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 1 year 12 months ago.
15705
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 7 months ago.
4236
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 8 months ago.
5822
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 2 years 11 months ago.
10458
5.0
7 pnagpal
Filter Results
LAN, Switching and Routing
Views: 888
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1135
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 687
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 13668
  • 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: 364
  • 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: 456
  • 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: 33
  • 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: 621
  • 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

Events

May 11th
Ask the Expert
April 13th
Ask the Expert
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
July 30th, 2012
Ask the Expert
December 12th, 2012
Techtalks
  • 1
  • 2
  • 3
  • 4
  • 5
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 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

 
 
 

Featured Content

Popular Discussions

Popular Documents

Rank Username Points
1 17,505
2 9,775
3 8,212
4 8,072
5 7,974
Rank Username Points
135
134
121
103
102