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 all, I am trying to come up with a solution, with the ultimate end goal to have different customers traffic segregated via VRFs, but all shar...
1 hour 40 min ago
Hello,We had configured dot1x on ports of Switch ports with authentication host-mode multi-domain and ports were going to err-disabled mode.This wa...
1 day 3 hours ago
Hi Team, Please any one answer my  querry. I have 3vlans which was created in my Core switch.vlan 10 10.120.234.128/25vlan 20 10.120.232.0/26vlan 3...
1 day 6 hours ago
My customer want configuration more than 300 site  in nework. One site will be configured  be one ospf area.My question is do i can configuration 3...
1 day 16 hours ago
Cisco 3750 switch with vlan 5 setup for workstations and vlan 10 for Polycom VOIP phones. Each client interface is configured with switchport acces...
1 day 23 hours 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 Rating Replies Last replied by
discussion 3750 high cpu utilization
Last Reply 31 min 50 sec ago.
18 0 0 1 Reza Sharifi
discussion network assessment and firewall selection
Last Reply 39 min 36 sec ago.
3 0 0 1 Reza Sharifi
discussion IP protocol is not to communicate between computers in a LAN. Is that true?
Last Reply 45 min 22 sec ago.
9 0 0 1 Reza Sharifi
discussion Virtual Switching System (VSS) Test on 4500-X
Last Reply 1 hour 8 min ago.
3 0 0 1 Reza Sharifi
discussion Cisco WS-C6509-E , Upgrade from SUP 720 to SUP 2T
Last Reply 1 hour 22 min ago.
12 0 0 1 Reza Sharifi
discussion Trying to reach global ip address, from within VRF.
Last Reply 1 hour 40 min ago.
0 0 0 0 simongillard1
discussion Is it possible to connect switches together via a patch panel?
Last Reply 2 hours 4 min ago.
0 0 0 3 Alexander Torres
discussion moxa EDS-408a-MM-SC Cisco 3750X GLC-GE-100FX Slow Communication
Last Reply 10 hours 6 min ago.
145 0 0 1 jonathanvanderzee
discussion Cisco ASA static routing to Cisco 831. help with ACL maybe?
Last Reply 10 hours 33 min ago.
48 0 0 12 Mohammad Moghaddas
discussion Configuring a SM-X Layer 2/3 EtherSwitch Service Module on a 4331 router
Last Reply 14 hours 6 min ago.
407 1 5 5 pratikbhai patel
discussion QoS for home use
Last Reply 16 hours 9 min ago.
6 0 0 4 bayates826
discussion CCP Express won't install on my 1841
Last Reply 16 hours 24 min ago.
425 0 0 1 shadeofblkness
discussion Equivalent commands for ASR9k?
Last Reply 18 hours 38 min ago.
10 0 0 2 tinhnho123
discussion Catalyst 3750 Access List to prevent IP Stealing
Last Reply 18 hours 51 min ago.
91 0 5 15 smithster5683
discussion can HRSP / VRRP be use in the such setup ?
Last Reply 1 day 48 min ago.
0 0 0 1 Reza Sharifi
discussion Dot1x with Multi-Domain vs Multi-Auth
Last Reply 1 day 3 hours ago.
2 0 0 0 CSCO11854658
discussion jarbled commands when transferring copied config from one switch to another
Last Reply 1 day 3 hours ago.
13 0 0 2 paul driver
discussion Are static routes redistributed into EIGRP also redistributed into BGP with "redistribute eigrp" command?
Last Reply 1 day 5 hours ago.
19 0 0 2 Mohammad Moghaddas
discussion WDS server Reachablilty
Last Reply 1 day 6 hours ago.
2 0 0 0 anirudh12b9
discussion 7606S booting to Rommon..Help!!
Last Reply 1 day 7 hours ago.
67 0 4 8 een4hc007
discussion 3850 and Intermittent TACACS issue
Last Reply 1 day 16 hours ago.
26 0 0 2 chrbradf1
discussion How many area can be configuration include one ospf process id?
Last Reply 1 day 16 hours ago.
4 0 0 0 YongFeng He
discussion 3750-X power stack
Last Reply 1 day 17 hours ago.
36 0 0 2 Alipio.Gobaton
discussion C3KX-SM-10G on 3750X - version info and upgrade instructions
Last Reply 1 day 18 hours ago.
13311 2 1 7 will@bootit.com
discussion WAN switch (in a rack) - what is it used and why do we need it ?
Last Reply 1 day 22 hours ago.
47 0 5 4 KOH SZE JIE
Filter Results
Subject Views Rating Comments Author
The "%SPANTREE-7-BLOCK_PORT_TYPE : Blocking [chars] on [chars]. Inconsistent port type" message is logged on Cisco Catalyst switches
Last Reply 2 min 29 sec ago.
18676
0.0
2 TCC_2
%C4K_SUPERVISOR-2-SOFTERROR / %C4K_SUPERVISOR-2-FPGASOFTERROR
Last Reply 2 days 20 hours ago.
2
0.0
0 InayathUlla Sharieff
Egress QOS
Last Reply 2 days 21 hours ago.
53703
5.0
14 somgupta
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 5 days 19 hours ago.
51746
4.6
7 Thamaraiselvam Santhanam
How to Form a Catalyst 3850 Data-Stack and Power-Stack
Last Reply 1 week 2 days ago.
103
0.0
0 Luis Villanueva Brito
Properly Installing Cisco USB Console Driver
Last Reply 1 week 4 days ago.
109
0.0
1 lsgabrillo
How to define the VLANs allowed on a trunk link
Last Reply 1 week 6 days ago.
187991
5.0
3 TCC_2
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 3 weeks 1 day ago.
50296
4.7
53
3850 switch - IOS XE upgrade Detailed (standalone)
Last Reply 3 weeks 1 day ago.
6066
5.0
5 Furose Khan Mohammed Ali
Error Message:%ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface <interface> Power Controller reports power Imax error detected
Last Reply 1 month 1 day ago.
13777
5.0
4 Sivagami Narayanan
Running 40 routers with IOU in 4GB RAM
Last Reply 1 month 2 days ago.
57
0.0
0 Sudeb Das
"Etherchannel Loadbalancing on Catalyst Switches"
Last Reply 1 month 1 week ago.
21518
5.0
3 Souvik Ghosh
SSH version 2 no IOS cat4000-i5s-mz.122-25.EWA14.bin
Last Reply 1 month 2 weeks ago.
24
0.0
1 Sergio Alvares
Cisco Nexus 7000 / 7700 Line Cards
Last Reply 1 month 2 weeks ago.
148
0.0
0 Shaun Hummel
Cisco 891 fresh configuration/management without console cable
Last Reply 2 months 1 week ago.
33
0.0
0 totardo.tobing11
3850x VLAN Switch Port Active but no MAC or IP Address
Last Reply 2 months 1 week ago.
147
0.0
2 TOM FRANCHINA
How to define the VLANs allowed on a trunk link
Last Reply 2 months 2 weeks ago.
45
0.0
0 KHALEELUR RAHMAN.A
unable to ping pc from (vlan-A) to pc on (vlan-B)
Last Reply 2 months 3 weeks ago.
45
0.0
0 minestraschaos1
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 2 months 4 weeks ago.
26723
3.7
4 TCC_2
Importance of BPDU Guard and BPDU Filter !!
Last Reply 2 months 4 weeks ago.
100784
4.7
12 ganeshh.iyer
The "%SPANTREE-SP-2-RECV_BAD_TLV:" error Cat 6500 Cisco IOS system software
Last Reply 3 months 2 days ago.
4213
0.0
0 TCC_2
3850 Boot Mode
Last Reply 3 months 3 days ago.
1793
0.0
1 Collin Clark
LICENSING on 2900/3500/3700
Last Reply 3 months 5 days ago.
19208
0.0
3 ranraju
Router Cisco 2921 auto reboot
Last Reply 3 months 1 week ago.
87
0.0
4 npsangvt1
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 3 months 2 weeks ago.
54
0.0
0 josecesp
Filter Results
Subject Views Rating Comments Author
blog Loading an IOS on a switch via Xmodem
Last Reply 1 min 26 sec ago.
50184
5.0
8 Aninda Chatterjee
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 1 month 4 weeks ago.
26212
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 7 months 4 days ago.
20838
4.6
12 jakula
blog License Activation on 4500
Last Reply 10 months 2 weeks ago.
421
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 10 months 3 weeks ago.
7386
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 1 year 1 month ago.
2523
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 1 month ago.
18788
5.0
3 ajaju
blog Configuring a frame-relay switch
Last Reply 1 year 3 months ago.
6704
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 1 year 3 months ago.
383
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 3 months ago.
129
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 4 months ago.
123
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 4 months ago.
404
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 year 4 months ago.
1434
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 year 4 months ago.
761
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 year 4 months ago.
129
5.0
0 jakula
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 5 months ago.
8312
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 5 months ago.
289
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 5 months ago.
7841
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 8 months ago.
1980
0.0
1 Ramu Gajula
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 2 years 1 week ago.
2070
4.7
1 Anand G
blog Parity Error.
Last Reply 2 years 1 month ago.
2397
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 2 years 1 month ago.
16998
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 9 months ago.
4424
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 10 months ago.
5922
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 3 years 1 month ago.
11401
5.0
7 pnagpal
Filter Results
LAN, Switching and Routing
Views: 0
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
by
LAN, Switching and Routing
Views: 1072
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
by
LAN, Switching and Routing
Views: 1216
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
by
LAN, Switching and Routing
Views: 765
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 16371
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4.8 (4 ratings)
LAN, Switching and Routing
Views: 334
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 407
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4 (1 ratings)
LAN, Switching and Routing
Views: 232
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 221
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 528
  • 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: 46
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 36
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 413
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 657
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 387
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (3 ratings)
by rucjain
LAN, Switching and Routing
Views: 397
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 14
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 324
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
LAN, Switching and Routing
Views: 227
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
Filter Results

Events

May 11
Ask the Expert
April 13
Ask the Expert
January 5
Ask the Expert
July 21, 2014
Ask the Expert
March 31, 2014
Ask the Expert
April 1, 2014
Webcasts
March 10, 2014
Webcasts
July 30, 2012
Ask the Expert
December 12, 2012
Techtalks
  • 1
  • 2
  • 3
  • 4
  • 5
July 27, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 31, 1969
Facebook Forums
May 25, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
October 11, 2011
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
January 6, 2014
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 21, 2013
Ask the Expert
January 17, 2012
Webcasts
October 11, 2009
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 1, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 15, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 29, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 10, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5

Actions

 
 

Popular Discussions

Popular Documents

Rank Username Points
1 17,703
2 9,968
3 8,427
4 8,223
5 8,199
Rank Username Points
455
209
148
82
77