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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discussion Cisco 6509 VSS FSU UPGRADE
Last Reply 2 min 25 sec ago.
0 0 0 1 Leo Laohoo
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63 0 0 11 Mohamed
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1 0 0 1 Kamran Mustafayev
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3 0 0 1 Richard Bradfield
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6 0 0 2 peteryouhannafawzy
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139 0 0 2 switch998
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2 0 0 0 gianluca811
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2 0 0 0 TheDukeofBaghdad
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17 0 0 3 dukenuk96
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Last Reply 4 hours 42 min ago.
0 0 0 1 Leo Laohoo
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1 0 0 1 Leo Laohoo
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0 0 0 0 elijah.abbott1
discussion Need help to upgrade IOS XE on ASR 1002
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1 0 0 0 Kumaresan Chinnasamy
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Last Reply 5 hours 40 min ago.
15992 3 4.33333 47 rameshprabhu
discussion Cisco WS-C3560X-24 switch gets overloaded and reboots on its own
Last Reply 8 hours 57 min ago.
13 0 5 3 Philip D'Ath
discussion Catalyst 4500 L3 Switch - restart automatically
Last Reply 9 hours 32 min ago.
19 0 5 5 InayathUlla Sharieff
discussion NBAR discovery on 3850???
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2 0 0 1 Philip D'Ath
discussion Issues with policy based routing (ACL not identifing traffic correctly)
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13 0 0 5 Jason Flory
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Last Reply 10 hours 41 min ago.
28 0 0 12 Philip D'Ath
discussion troubleshooting video/audio streams from cisco switches
Last Reply 11 hours 49 min ago.
0 0 0 0 afsharki2
Filter Results
Subject Views Rating Comments Author
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 10 hours 27 min ago.
59686
4.8
7 ashirkar
Using 3850 Embedded Wireshark (Wired)
Last Reply 17 hours 32 min ago.
39589
5.0
3 Colby Beam
How to use Time-Domain Reflectometer (TDR)
Last Reply 3 days 19 hours ago.
91120
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84 Leo Laohoo
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Last Reply 5 days 17 hours ago.
56672
5.0
14 SunilKhanna
Understanding Ethernet Virtual Circuits (EVC)
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307391
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7 Furose Khan Mohammed Ali
IPV6 on the Cisco 877
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0 Andrew Judson
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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 4 weeks 3 hours ago.
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OSPF and IS-IS Differences
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25582
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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.
19403
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
Last Reply 2 months 2 hours ago.
36
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0 butturwa
How to Form a Catalyst 3850 Data-Stack and Power-Stack
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1115
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2 Luis Villanueva Brito
How to configure Ether Switch Modules connected to a router
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2499
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What is the difference between an IP base image and an IP services image
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202973
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10 tahirshabbir
How to configure a Cisco Catalyst Express 500 series switch
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18435
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Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 3 months 1 week ago.
156545
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3850: Understanding interface configuration on NM modules
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33858
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I am receiving some error like broadcast and input error please see detail, Is it normal ?
Last Reply 4 months 5 days ago.
51
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1 junaidmumtazcisco
SSH version 2 no IOS cat4000-i5s-mz.122-25.EWA14.bin
Last Reply 4 months 2 weeks ago.
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2 Sergio Alvares
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
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