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.

 

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Hi All, As part of my master plan to build a comprehensive remote access Cisco lab for myself. I have been using my 877W as my main home router and...
52 min ago
Hello Expert,I got the error message as title. Just check the detail of log and found the hardware inconsistency RBACL. The slot 6 is VS-SUP2T-10G....
1 hour 46 min ago
Dear on duty PID: N7K-SUP2NX-OS: 6.1.3I have some log issue with below one 2015 Apr 17 20:57:51 SA_N7K_LTE_PASW4 Apr 17 20:57:50 %KERN-3-SYSTEM_MSG...
3 hours 11 min ago
Hello my friends,I would like to help, we now have a park switches 2960 ..I would like to take a report for CISCO Prime with the Following informat...
15 hours 3 min ago
Hello,I am planning to expand an existing Layer 2 network from 8 switch nodes to 20 (Stratix 8000/IE3000)The existing network is a 7 switch RING wi...
16 hours 52 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6735 569 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion DNS server configuration on 4507+E
Last Reply 18 min 8 sec ago.
0 0 0.0 3 vivek srivastava
discussion Auto-RP with "sparse-dense-mode"
Last Reply 19 min 48 sec ago.
0 0 5 9 markmalone2008
discussion [Unknown Duplicate]%IP-4-DUPADDR: Duplicate address .......
Last Reply 22 min 22 sec ago.
0 0 0.0 1 Peter Paluch
discussion How does PIM Sparse decide which interface to Prune?
Last Reply 25 min 51 sec ago.
0 0 0.0 1 Andrew Lay
discussion Turning 877W into Wireless bridge.
Last Reply 52 min ago.
0 0 0.0 0 andydenley
discussion Performance issue 10Gb/s to 1Gb/s ( 6880-X/6800-IA) 15.2(1)SY0a
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17 2 0.0 9 MARKUS BENZ
discussion %FM-SW1-6-FM_CONSISTENCY_CHECK_LOG_STATUS: Consistency Checker found inconsistency.
Last Reply 1 hour 46 min ago.
0 0 0.0 0 Rojer-bkk
discussion Total output drops and traffic shaping
Last Reply 1 hour 40 min ago.
0 0 0.0 2 markmalone2008
discussion Manually specify "orphan" network in OSPF
Last Reply 2 min 3 sec ago.
0 0 0.0 3 Nikolaos Milas
discussion Distribution Switch not working according to default route
Last Reply 2 hours 52 min ago.
0 0 0.0 3 vivek srivastava
discussion N7K-SUP2 occured IO error and comfact flash failed message
Last Reply 3 hours 11 min ago.
0 0 0.0 0 Hongju Jung
discussion DTP negotiation on an access switchport
Last Reply 3 hours 23 min ago.
0 0 0.0 8 Navanshu Sehgal
discussion adjacency vs neighborship
Last Reply 3 hours 30 min ago.
0 0 0.0 1 vivek srivastava
discussion qos trust question
Last Reply 3 hours 40 min ago.
0 0 0.0 1 Navanshu Sehgal
discussion VTP Version 3 Problems
Last Reply 8 hours 39 min ago.
11157 0 5 6 paul@fostersutt...
discussion SVI vs Routed port
Last Reply 8 hours 39 min ago.
9045 2 4.33333 13 bcoverstone
discussion Router boots with wrong IOS
Last Reply 11 hours 21 min ago.
0 0 0.0 6 Leo Laohoo
discussion Why Route Switch Processor 720 must be installed in specific slots in the chassis of 7600 routers
Last Reply 11 hours 26 min ago.
0 0 0.0 1 Reza Sharifi
discussion Cannot connect with IP address to WAP4410N
Last Reply 11 hours 42 min ago.
0 0 0.0 2 ticdoc1@msn.com
discussion Track vlan inteface with physical interface?
Last Reply 13 hours 25 min ago.
0 0 0.0 6 davistw
discussion Supernetting After Network is Built?
Last Reply 14 hours 42 min ago.
0 0 5 5 Reza Sharifi
discussion Understanding EIGRP link bundle + load balancing vs bandwidth increase
Last Reply 14 hours 45 min ago.
0 0 5 14 KOH SZE JIE
discussion Report CISCO Prime
Last Reply 15 hours 3 min ago.
0 0 0.0 0 danillorodrigues
discussion Rapid PVST+ Diameter and Max-Age timers
Last Reply 16 hours 52 min ago.
0 0 0.0 0 Brett Martin
discussion Suspended VLAN
Last Reply 17 hours 8 min ago.
0 0 5 5 Peter Paluch
Filter Results
Subject Views Rating Comments Author
Router Cisco 2921 auto reboot
Last Reply 1 week 3 days ago.
0
0.0
4 npsangvt1
Egress QOS
Last Reply 1 week 1 day ago.
50321
5.0
11 somgupta
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 1 week 2 days ago.
0
0.0
0 josecesp
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 4 years 3 months ago.
42740
5.0
2 James D Hensley
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 week 4 days ago.
104405
4.7
50 ashirkar
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 1 week 6 days ago.
286377
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 2 weeks 3 days ago.
7832
0.0
1 TCC_2
Password Recovery on Cisco Catalyst 3850
Last Reply 3 weeks 10 hours ago.
1972
0.0
3 Collin Clark
Configuring a router Eth int or SVI to be a DHCP client
Last Reply 5 years 11 months ago.
4322
4.0
0 TCC_2
The card in a fixed hardware configuration Cat chassis functions improperly, not online
Last Reply 5 years 11 months ago.
624
0.0
0 TCC_2
How to configure a Flex Link for link-level redundancy in Cat switches that run IOS
Last Reply 5 years 11 months ago.
11294
0.0
0 TCC_2
%SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred Cat 6k, WS-X6348-RJ45 module reset
Last Reply 5 years 11 months ago.
383
0.0
0 TCC_2
How to use Time-Domain Reflectometer (TDR)
Last Reply 3 weeks 5 days ago.
67347
5.0
68 Leo Laohoo
Retrieving Core files from Cisco Nexus switching platforms
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13282
5.0
1 Yogesh Ramdoss
Using 3850 Embedded Wireshark (Wired)
Last Reply 1 month 3 days ago.
35732
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 1 month 3 days ago.
3625
0.0
1 TCC_2
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 1 month 4 days ago.
34075
4.7
6 ashirkar
Temperature alarms on WS-X6904-40G
Last Reply 1 month 1 week ago.
10
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 month 1 week ago.
2811
0.0
1 TCC_2
Nexus - vPC Recommendations
Last Reply 1 month 1 week ago.
18575
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3 pnagpal
Increased Total output drops/OutDiscards by QoS for Desktop Series Switches Products
Last Reply 1 month 2 weeks 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 5 years 11 months ago.
1412
0.0
0 TCC_2
X2-10GB-LRM vs X2-10GB-SR compatability
Last Reply 1 month 3 weeks ago.
1405
0.0
9 yogesh rajguru
Fortify Your LAN with Cisco Catalyst Switching - FAQ from live webcast
Last Reply 1 year 1 month ago.
140
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0 Anim Saxena
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 4 months 2 days ago.
17786
4.6
12 jakula
blog License Activation on 4500
Last Reply 7 months 1 week ago.
201
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
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7154
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 10 months 1 week ago.
2274
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 10 months 2 weeks ago.
16081
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 11 months 1 day ago.
40336
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
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5999
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7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
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386
5.0
0 Francine Richards
blog Upcoming Ask the Expert Event with Cisco Designated VIP Marwan Al-shawi May 12-23
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124
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0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
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107
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0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
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328
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0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 3 years 2 weeks ago.
1329
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 2 years 11 months ago.
743
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 2 years 3 months ago.
94
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 4 years 1 month ago.
24555
5.0
0 Shashank Singh
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 2 years 2 weeks 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 2 months ago.
276
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 2 months ago.
5448
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 5 months ago.
1627
0.0
1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 9 months ago.
1859
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 10 months ago.
2294
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
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15705
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 6 months ago.
4236
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1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 7 months ago.
5822
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1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 2 years 10 months ago.
10458
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7 pnagpal
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