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! I'm having an issue with my 4510R-E. It hasn't effected services (yet), but I'm concerned. I've been reading through the docs but can't seem t...
5 hours 18 min ago
I am trying to configure a floating route but an aggregate route already exist in the routing table.  As such the floating route is more specific a...
15 hours 46 min ago
Hi team !I'm trying to get the CPU Utilization of my SG220-50 50-Port Gigabit Smart Plus Switch : I downloaded the correct MIB directly from CISCO...
19 hours 26 min ago
Hello, We use a lot of WS-2960-48TT-L, and since the ip http secure-server + ISE implementation, we have a lot of crash. In 1 month, i replaced 7-...
21 hours 16 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6724 569 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion SF200-24P System LED goes out, LINK/ACT LEDs remain on. Network down
Last Reply 2 hours 3 min ago.
442 0 0 1 taboada_m
discussion QoS Question. MLS to MQC
Last Reply 2 hours 21 min ago.
0 0 0 1 Carlos Villagran
discussion EIGRP - switch acting like stub, but is not stub.
Last Reply 3 hours 10 min ago.
19 0 0 9 Paul Chapman
discussion Port Channel Between Two 3560s flashing orange lights
Last Reply 3 hours 40 min ago.
9 0 0 6 paul driver
discussion Help!!! Multicasting Issue
Last Reply 4 hours 10 min ago.
81 0 4.5 15 paul driver
discussion Splitting 6248-Fabric-Interconnect from Nexus 5k to 4500X - QoS Question
Last Reply 5 hours 17 min ago.
0 0 0 0 michael.lorincz
discussion Interface Bonding on 2911
Last Reply 6 hours 1 min ago.
9 0 0 2 Philip D'Ath
discussion Relatime Power Consumption Cisco Switch WS-C3850-48T
Last Reply 6 hours 16 min ago.
0 0 0 1 Philip D'Ath
discussion VPN users redirected to WCCP redirection
Last Reply 6 hours 19 min ago.
0 0 0 1 Philip D'Ath
discussion Access switches can ping endpoint, core cannot.
Last Reply 6 hours 59 min ago.
0 0 0 8 brnhornt
discussion ISP Handoff to 2950
Last Reply 7 hours 27 min ago.
30 0 0 4 [email protected]
discussion Cisco 4507 and 3850 Switch
Last Reply 7 hours 40 min ago.
9 0 0 1 glen.grant
discussion 13017 Received TACACS+ packet from unknown Network Device or AAA Client
Last Reply 7 hours 44 min ago.
1485 0 0 10 amrelquasaby
discussion Nexus 5548UP Upgrade
Last Reply 7 hours 53 min ago.
0 0 0 1 glen.grant
discussion voice and data vlan together - need a trunk port / how it works ?
Last Reply 9 hours 43 sec ago.
950 1 5 7 Joseph W. Doherty
discussion Stacking Switch
Last Reply 9 hours 7 min ago.
193 0 5 44 jain.manish94
discussion 2 Lan 2 Wan..... problem.
Last Reply 9 hours 50 min ago.
78 0 0 12 erdosain99
discussion Entire Configuration file deletion frequently automatically in Cisco WS-C2960S-24PS-L
Last Reply 10 hours 16 min ago.
21 0 0 7 Paul Chapman
discussion DMVPN - configure QoS between Spoke and Hub
Last Reply 10 hours 42 min ago.
16 0 0 4 Tim Y
discussion How to switch traffic from one ISP to other ISP automatically.
Last Reply 10 hours 56 min ago.
56 1 0 11 nilesh.dubey
discussion Aggregating ASR LAN Connections
Last Reply 10 hours 58 min ago.
0 0 5 2 Steven Kalafatich
discussion Cisco 2811 doesn't support telephony-service
Last Reply 11 hours 1 min ago.
3 0 0 2 [email protected]
discussion Cisco Management interface on a L3 switch (routable or not) ?
Last Reply 11 hours 38 min ago.
40 0 5 9 mark malone
discussion Redirect Traffic to proxy server
Last Reply 11 hours 40 min ago.
13 0 0 2 bob mail
discussion 3850X Span Session ACL Filter Problem
Last Reply 12 hours 57 min ago.
40 0 0 8 ahmad82pkn
Filter Results
Subject Views Rating Comments Author
Nexus - vPC Recommendations
Last Reply 2 min 17 sec ago.
28405
5.0
6 pnagpal
Troubleshooting tips for 3750X Stack power feature
Last Reply 5 days 13 hours ago.
19798
4.3
6 pnagpal
Webcast Slides: Cisco Catalyst 2960-X and 2960-XR Series Switches Overview, Configuration,
Last Reply 1 week 1 day ago.
115
5.0
0 roor
Webcast FAQs: Catalyst 2960X & 2960XR Switches Overview, Configuration and Troubleshooting
Last Reply 1 week 1 day ago.
0
0.0
0 roor
Importance of BPDU Guard and BPDU Filter !!
Last Reply 1 week 3 days ago.
142365
4.7
13 Ganesh Hariharan
DHCP listener
Last Reply 1 week 3 days ago.
0
0.0
0 netbeginner
3850 switch - IOS XE upgrade Detailed (standalone)
Last Reply 1 week 4 days ago.
16063
5.0
18 Furose M
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 1 week 4 days ago.
61184
5.0
15 SunilKhanna
How to use Time-Domain Reflectometer (TDR)
Last Reply 1 week 4 days ago.
101216
5.0
93 Leo Laohoo
virtual switching system (vss) español
Last Reply 2 weeks 1 day ago.
4
0.0
0 jmp780718
CCNP Switching Notes Español
Last Reply 2 weeks 1 day ago.
5
0.0
0 jmp780718
Easy Traffic Generator (Works with GNS3)
Last Reply 2 weeks 5 days ago.
0
0.0
0 Carlos Villagran
NXOS Log Finder Tool for Nexus Switches
Last Reply 2 weeks 5 days ago.
53
4.5
0 aeguiart
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 2 weeks 6 days ago.
315060
5.0
46 plumbis
Changing a Switch Member Number in a 3850 Stack
Last Reply 3 weeks 1 day ago.
0
0.0
0 Carlos Villagran
Catalyst 4500 CPU Packet Buffer Parser
Last Reply 3 weeks 4 days ago.
3
0.0
0 aeguiart
Cisco CatOS vs. IOS Commands
Last Reply 4 weeks 17 hours ago.
1
0.0
0 Daniel Vieceli
Route to Host Stuck on Switch
Last Reply 1 month 20 hours ago.
3403
5.0
5 Adrian Martinez
What’s New on Cisco Catalyst 6500 Series? - FAQ from Live Webcast
Last Reply 1 month 1 week ago.
306
0.0
1 ashirkar
How to Form a Catalyst 3850 Data-Stack and Power-Stack
Last Reply 1 month 1 week ago.
2535
5.0
4 Luis Villanueva Brito
Recognize the purpose & functions of various network devices:Router, Switch, Hub & Bridge.
Last Reply 1 month 1 week ago.
40
0.0
0 Gerald C. Paciello
What is the difference between an IP base image and an IP services image
Last Reply 1 month 2 weeks ago.
214153
5.0
14 tahirshabbir
3850: Understanding interface configuration on NM modules
Last Reply 1 month 2 weeks ago.
40120
5.0
16 Richard Primm
LICENSING on 2900/3500/3700
Last Reply 1 month 2 weeks ago.
23209
0.0
5 ranraju
Does cisco 2921 ip base supports nat and static route ....can any one please advise
Last Reply 2 months 6 days ago.
20
0.0
3 mohdayaz1981
Filter Results
Subject Views Rating Comments Author
blog SWITCH configuration
Last Reply 2 weeks 3 days ago.
14
0.0
0 julius78_baclaan1
blog IPv6 for future CCNAs (+) – Final Part.
Last Reply 3 weeks 2 days ago.
138
0.0
0 Gerald C. Paciello
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 3 weeks 3 days ago.
9
0.0
0
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 3 weeks 3 days ago.
5
0.0
0
blog Loading an IOS on a switch via Xmodem
Last Reply 3 weeks 6 days ago.
78658
5.0
18 Aninda Chatterjee
blog How would a multicast be delivered with incongruent IP/MAC addressing?
Last Reply 1 month 8 hours ago.
232
5.0
4 Peter Paluch
blog IPv6 for future CCNAs – Part II
Last Reply 1 month 22 hours ago.
229
5.0
0 Gerald C. Paciello
blog IPv6 for future CCNAs – Part I
Last Reply 1 month 2 days ago.
350
4.0
1 Gerald C. Paciello
blog Spanning Tree Protocol, from a feature CCNA´s Perspective, by Gerald C. Paciello
Last Reply 1 month 2 weeks ago.
904
5.0
0 Gerald C. Paciello
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 5 months 2 weeks ago.
28453
4.7
13 Akula Jyoti Lakshmi
blog Collector Security
Last Reply 6 months 1 week ago.
27
0.0
0 marobbs
blog Who Should Attend The Kickoff Meeting?
Last Reply 6 months 2 weeks ago.
52
0.0
0 marobbs
blog Network Optimization: The 90-Day Plan
Last Reply 6 months 3 weeks ago.
76
0.0
0 marobbs
blog Prepare for the Collector
Last Reply 7 months 1 week ago.
60
0.0
0 marobbs
blog Expert Insights: Network Optimization
Last Reply 7 months 1 week ago.
61
0.0
0 marobbs
blog Network Compliance Analysis
Last Reply 7 months 1 week ago.
57
0.0
0 marobbs
blog Three Tips for a Successful Review Period
Last Reply 7 months 1 week ago.
53
0.0
0 marobbs
blog Nexus 7000 ACL logging (OAL)
Last Reply 7 months 2 weeks ago.
19798
5.0
8 Robert Taylor
blog Active /Active Internet Load balancing with High availability ( AS Prepend Path)
Last Reply 7 months 3 weeks ago.
266
5.0
0 Ganesh Hariharan
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 10 months 3 weeks ago.
29960
5.0
1 Shashank Singh
blog License Activation on 4500
Last Reply 1 year 7 months ago.
1124
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 1 year 7 months ago.
7956
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 1 year 10 months ago.
3353
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 10 months ago.
24783
5.0
3 ajaju
blog Configuring a frame-relay switch
Last Reply 2 years 3 days ago.
8790
5.0
7 Aninda Chatterjee
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