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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Greetings, One of our 4510 switches that had a single active power supply went down early in the morning.  There is no crashfile on this.  I am tr...
22 min 51 sec ago
Hello Guys, I have a Cisco 6503, there are 16 ports on module 3 and they've been set as trunk ports for Layer 2 switches' uplinks for quite long t...
25 min 5 sec ago
Hi supportforums, I have a cisco 887 configured with trusted VLAN11 and untrusted VLAN33. Wired and wireless clients in VLAN11 get routed via the...
6 hours 37 min ago
Hello,  I have a small LAN, based on SG300-52MP 52-Port L3 switch. On this switch I have 3 VLAN (10, 20, 100) and TWO aDSL routers. At current conf...
10 hours 29 min ago
Hi, I have two C9332PQ switches with initial configuration and we need config the breakout mode at some interfaces. When we write the interface br...
10 hours 39 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6726 569 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion What is Difference b/w dot1x authentication & MAB authentication ?
Last Reply 2 hours 11 min ago.
0 0 0 0 Murali Dharan
discussion 6500 SUP720 upgrade problem
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66 0 0 10 Madhukrishnan G...
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21 0 0 4 Madhukrishnan G...
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0 0 0 2 Shlomy Maron
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1533 0 5 8 Peter Paluch
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11 0 0 3 Madhukrishnan G...
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0 0 0 1 Reza Sharifi
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Last Reply 2 hours 45 min ago.
36 0 5 5 Hele Du
discussion Blocked Stack Ports on 2960X-48FPD-L Stack (Unstable Switch Stack!) Spanning Tree?
Last Reply 2 hours 58 min ago.
423 0 0 11 andreabat72
discussion Cisco ME3600 Policer
Last Reply 3 hours 18 min ago.
0 0 0 0 Bayoan Alvarado
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Last Reply 3 hours 50 min ago.
10 0 0 5 eXPlosion
discussion why we need IPv6 solicited multicast address ??
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34 0 5 6 Peter Paluch
discussion How do i setup Windows DHCP work with VLANs on Cisco 2960x Switch
Last Reply 5 hours 57 min ago.
0 0 0 1 Jon Marshall
discussion 2960X Stacking
Last Reply 6 hours 31 sec ago.
0 0 0 2 venperum
discussion IP routing performance of WS-C3650-48TD
Last Reply 7 hours 40 min ago.
0 0 0 3 Jon Marshall
discussion Switch 3750x-48PS
Last Reply 7 hours 45 min ago.
69 0 0 16 Stefanio38
discussion about "srr-queue bandwidth limit XX"
Last Reply 7 hours 55 min ago.
38 0 5 5 Tez Nis
discussion VLAN removed prior to moving ports to another VLAN, shutdown? how to check ?
Last Reply 7 hours 57 min ago.
28 0 5 7 AdamBudzinski
discussion Cisco 6503's trunk interfaces prune VLANs
Last Reply 8 hours 18 min ago.
12 0 0 5 Rolf Fischer
discussion Prefix List for all Private Networks
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38 0 0 3 Peter Paluch
discussion Nexus 3000 Automating config backups with FTP Password
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11 0 0 1 Ganesh Hariharan
discussion To modify Duplex and Speed manually under trunk interface
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11 0 0 2 Ganesh Hariharan
discussion Cisco-Meraki Core Switch
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22 0 0 2 Ganesh Hariharan
discussion show log onboard
Last Reply 17 hours 9 min ago.
10 0 0 1 Leo Laohoo
discussion Redundant Core switches and Single Router Design
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1220 0 4.5 18 ahmed-531
Filter Results
Subject Views Rating Comments Author
Потенциальная проблема OSPF NSF и Multi-chassis HA
Last Reply 1 hour 11 min ago.
0
0.0
0 Vasilii Mikhailovskii
How to use Time-Domain Reflectometer (TDR)
Last Reply 13 hours 23 min ago.
90404
5.0
84 Leo Laohoo
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 2 days 11 hours ago.
56647
5.0
14 SunilKhanna
Understanding Ethernet Virtual Circuits (EVC)
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307345
5.0
43 plumbis
3850 switch - IOS XE upgrade Detailed (standalone)
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10753
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7 Furose Khan Mohammed Ali
IPV6 on the Cisco 877
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34765
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0 Andrew Judson
QUICK TIPS: Installing Multiple Cisco Switches - Video
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Error Message:%ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface <interface> Power Controller reports power Imax error detected
Last Reply 3 weeks 3 days ago.
15591
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5 Sivagami Narayanan
DHCP Static Binding on Cisco IOS
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23
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Last Reply 4 weeks 8 hours ago.
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Nexus - vPC Recommendations
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25573
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4 pnagpal
The Cisco Discovery Protocol displays the "%CDP-4-DUPLEX_MISMATCH" error message on Catalyst fixed configuration switches running IOS software.
Last Reply 1 month 3 weeks ago.
19398
5.0
1 TCC_2
The "%Error formatting slot0 (Can not find flash algorithm)" error message is displayed during an attempt to format the ATA flash card in Cisco Catalyst 6000/6500 series switches
Last Reply 1 month 3 weeks ago.
2552
5.0
1 TCC_2
4500X-32 IOS upgrade procedure
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35
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0 butturwa
How to Form a Catalyst 3850 Data-Stack and Power-Stack
Last Reply 2 months 1 week ago.
1113
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2 Luis Villanueva Brito
How to configure Ether Switch Modules connected to a router
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2497
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2 TCC_2
What is the difference between an IP base image and an IP services image
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202920
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10 tahirshabbir
How to configure a Cisco Catalyst Express 500 series switch
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18427
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Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 3 months 1 week ago.
154761
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3850: Understanding interface configuration on NM modules
Last Reply 3 months 2 weeks ago.
33827
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12 Richard Primm
I am receiving some error like broadcast and input error please see detail, Is it normal ?
Last Reply 4 months 1 day ago.
51
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1 junaidmumtazcisco
SSH version 2 no IOS cat4000-i5s-mz.122-25.EWA14.bin
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2 Sergio Alvares
SSH/Telnet not happening to Catalyst 6K due to SSH RSA_Sign:Private key not found.
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0 InayathUlla Sharieff
Filter Results
Subject Views Rating Comments Author
blog Loading an IOS on a switch via Xmodem
Last Reply 3 weeks 2 days ago.
65730
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11 Aninda Chatterjee
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
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