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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I need to replace some old PoE Switches.  I'm looking at the Cisco Catalyst 2960X-48LPS-L, 48-Port Gigabit Power over Ethernet Switch.  In it's doc...
1 hour 3 min ago
Hi all, I have read onhttp://ciscoiseasy.blogspot.sg/2010/11/lesson-25-switch-port-security.html and https://networklessons.com/switching/static-ma...
1 hour 24 min ago
Hi there, I have a fairly simple but peculiar problem at hand. A device with a static IP located on an access port on an L2 switch which trunks bac...
3 hours 26 min ago
Let's assume that we enable K2, which makes the route metric (in the EIGRP topology table) rely on the link's load as well as the bandwidth and del...
3 hours 49 min ago
Hi ,  cisco WS-C6513 (R7000) configuration saving time high  Please advise Thanks  
6 hours 11 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6735 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion RIP classful routing - is my understanding correct
Last Reply 16 sec ago.
0 0 0.0 3 Bilal Nawaz
discussion MAC Table and ARP resolves but Default gw unpingable
Last Reply 3 hours 26 min ago.
0 0 0.0 0 birdiebert
discussion PoE on 48 Port Switch
Last Reply 1 hour 3 min ago.
0 0 0.0 0 WashburnIT
discussion C2960cx-8pc-l serial issues.
Last Reply 43 min 51 sec ago.
0 0 0.0 7 markmalone2008
discussion Multicast Drop on 3560X Switch
Last Reply 55 min 56 sec ago.
0 0 0.0 8 mmendis
discussion Cisco Instant Access with 6880X Switch
Last Reply 59 min 6 sec ago.
0 0 0.0 1 Reza Sharifi
discussion Routing Loop explaination in RIP (understood 50%) theory vs practical
Last Reply 59 min 7 sec ago.
0 0 5 6 KOH SZE JIE
discussion Configuring Layer 3 switch behind cisco ASA 5505
Last Reply 1 hour 2 min ago.
0 0 0.0 4 john.laham
discussion IPv6 Route Tracking Missing?
Last Reply 1 hour 15 min ago.
0 0 0.0 2 geekmungus
discussion Use of LINK/ACT Port
Last Reply 1 hour 23 min ago.
0 0 0.0 2 proactisict
discussion cisco static mac address configuration & moving device to another port - will it drop frames or will it now
Last Reply 1 hour 24 min ago.
0 0 0.0 0 KOH SZE JIE
discussion HOW DISTRIBUTE THE TRAFFIC THROUGH MPLS DOMAIN
Last Reply 1 hour 35 min ago.
0 1 0.0 3 alhanafe11
discussion Performance issue 10Gb/s to 1Gb/s ( 6880-X/6800-IA) 15.2(1)SY0a
Last Reply 1 hour 41 min ago.
17 2 0.0 7 MARKUS BENZ
discussion What is the difference between Unicast RPF and Reverse Path Forwarding?
Last Reply 2 hours 24 sec ago.
0 0 0.0 7 john.laham
discussion How to configure switch 3850 2 units to 3560 2 units?
Last Reply 2 hours 6 min ago.
0 0 5 4 devils_advocate
discussion Only VLAN 1 get access to the WAN on RV130
Last Reply 2 hours 11 min ago.
0 0 0.0 1 devils_advocate
discussion Catalyst 2960-X | not booting | Showing " brom> " prompt
Last Reply 2 hours 14 min ago.
10 0 3 2 Ajay Koorata
discussion Two networks one infrastructure
Last Reply 2 hours 16 min ago.
0 0 0.0 12 Jon Marshall
discussion Interface Cisco asa
Last Reply 2 hours 26 min ago.
0 0 5 17 ramatoulaye.hane1
discussion Not able to add SG300 switches in Cisco Network Assitent
Last Reply 2 hours 34 min ago.
0 0 0.0 1 devils_advocate
discussion Enabling Load Sensitivity on EIGRP with K2
Last Reply 3 hours 49 min ago.
0 0 0.0 0 john.laham
discussion SPAN port issue
Last Reply 4 hours 2 min ago.
0 0 0.0 3 Wai wai
discussion IP Phone's request on DHCP server?
Last Reply 4 hours 8 min ago.
0 0 0.0 1 CHARLES HILL
discussion Adding VLAN to Port-Channel
Last Reply 4 hours 40 min ago.
0 0 5 2 upen desai
discussion cisco WS-C6513 (R7000) configuration saving time high
Last Reply 6 hours 11 min ago.
0 0 0.0 0 support sbt
Filter Results
Subject Views Rating Comments Author
Router Cisco 2921 auto reboot
Last Reply 6 days 14 hours ago.
0
0.0
4 npsangvt1
Egress QOS
Last Reply 4 days 19 hours ago.
50321
5.0
11 somgupta
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 5 days 20 hours 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 hours ago.
104405
4.7
50
Network Testing Tools
Last Reply 1 week 6 hours ago.
0
0.0
0 Shaun Hummel
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 1 week 2 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 1 week 6 days ago.
7832
0.0
1 TCC_2
Password Recovery on Cisco Catalyst 3850
Last Reply 2 weeks 3 days 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 1 day ago.
67347
5.0
68 Leo Laohoo
Retrieving Core files from Cisco Nexus switching platforms
Last Reply 2 years 11 months ago.
13282
5.0
1 Yogesh Ramdoss
Using 3850 Embedded Wireshark (Wired)
Last Reply 4 weeks 1 day 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 4 weeks 1 day ago.
3625
0.0
1 TCC_2
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 1 month 3 hours ago.
34075
4.7
6
Temperature alarms on WS-X6904-40G
Last Reply 1 month 5 days 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 6 days ago.
2811
0.0
1 TCC_2
Nexus - vPC Recommendations
Last Reply 1 month 1 week ago.
18575
5.0
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 2 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
5.0
0 Anim Saxena
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 3 months 4 weeks 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
Last Reply 7 months 1 week ago.
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 1 week ago.
16081
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 10 months 4 weeks ago.
40336
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 1 year 4 days 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 week 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 2 weeks ago.
124
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 3 weeks ago.
107
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 1 month ago.
328
5.0
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)
Last Reply 1 year 10 months ago.
15705
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 6 months ago.
4236
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 7 months ago.
5822
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 2 years 10 months ago.
10458
5.0
7 pnagpal
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