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.

 

Provide answers to questions in this community that are awaiting a correct answer.

Hi All,  I am facing one issue that , I can't backup my configuration backup from (C3560-IPBASE-M) to FTP server. Below is the error and configura...
57 min ago
Hi All,  I am facing one issue that , I can't backup my configuration backup from (C3560-IPBASE-M) to FTP server. Below is the error and configura...
57 min 8 sec ago
I have been given some Cisco ACE 4710's to look after recently as part of an old contract for a customer.  I have had to replace one of the units r...
4 hours 57 min ago
Hello,I am exploring options to assign access ports membership based on outer and inner tag. I am trying to achieve an architecture where the [oute...
6 hours 27 min ago
Hi all, I'm having a strange issue when it comes to the auto smartport feature. Whenever I connect an AP I want to reconfigure the port via the lo...
by Chris
7 hours 50 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6724 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion how to prevent invalid destination IP and MAC addresses in ARP reply !?
Last Reply 1 min 4 sec ago.
0 0 0 1 Carlos Villagran
discussion How to find sender,receiver and DR in multicast Router
Last Reply 16 min 21 sec ago.
10 0 5 3 mahesh parmar
discussion Load balancing with static route + IP SLA - is this right ?
Last Reply 23 min 51 sec ago.
6 0 0 1 Carlos Villagran
discussion Routing vs Switching and VLANs vs Flat
Last Reply 45 min 43 sec ago.
26 0 0 2 Alex K
discussion block rouge DHCP server on a vlan
Last Reply 53 min 34 sec ago.
95 0 4.5 11 Paul Chapman
discussion nexus 2232PP 32 10G port FEx wiring for max thruput
Last Reply 1 hour 44 min ago.
6 0 0 3 Reza Sharifi
discussion 3650 proxy arp
Last Reply 2 hours 43 min ago.
29 0 0 6 Josh Sprang
discussion Tag management VLAN for a Virtual Wireless Lan Controler
Last Reply 3 hours 45 min ago.
3 0 0 1 Reza Sharifi
discussion Port channel bunddle
Last Reply 4 hours 4 min ago.
4 0 0 2 Carlos Villagran
discussion Routing to the Internet and FWs
Last Reply 4 hours 14 min ago.
0 0 0 0 visitor68
discussion Upgrading from 5.2.5 to 6.2.2 in Nexus 7010 SUP1
Last Reply 4 hours 16 min ago.
0 0 0 0 Christian Kurkdjian
discussion How to protect 6500 from this ? CoPP, hardware rate limiters, or others
Last Reply 4 hours 38 min ago.
2 0 0 1 Carlos Villagran
discussion TCP Port 33621 denied by ACL
Last Reply 4 hours 39 min ago.
5 0 0 2 JOHN FROST
discussion LAN strange ping response
Last Reply 6 hours 1 min ago.
33 0 0 7 premkumarjm
discussion Multiple MAC address on a single Access Port?
Last Reply 6 hours 10 min ago.
37 0 0 6 devils_advocate
discussion Getting RSSI from telnet interface
Last Reply 6 hours 13 min ago.
6 0 0 3 dvaldes011
discussion Cisco RV320 router changes to wrong DNS
Last Reply 6 hours 15 min ago.
3 0 0 2 dninov001
discussion 3560 ACL logging/hit count behavior...
Last Reply 6 hours 16 min ago.
5 0 0 1 mark malone
discussion a vlan two HSRP groups different subnets
Last Reply 6 hours 32 min ago.
58 0 5 12 mark malone
discussion Subnet mask
Last Reply 7 hours 41 min ago.
20 0 0 3 jamiebutterworth2016
discussion ICMP Echo Reply through trunk in 2 vlans
Last Reply 8 hours 7 min ago.
6 0 5 3 jamiebutterworth2016
discussion HSRP, VRRP, GLBP on WS-C3850-24T-S
Last Reply 8 hours 11 min ago.
0 0 0 2 ibrahimalo
discussion nexus 5548-UP + FEX support + configuration example
Last Reply 8 hours 59 min ago.
4 0 0 2 satishmothukri
discussion 802.1x eap retransmition WS-C2960-48TC-L
Last Reply 9 hours 5 min ago.
0 0 0 0 Bartosz Sobczyk
discussion Cisco 7606 RSP720-3C error Low Voltage detected for NVRAM Battery every hour
Last Reply 10 hours 48 min ago.
4 0 0 1 Iulian Vaideanu
Filter Results
Subject Views Rating Comments Author
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 7 hours 47 min ago.
315060
5.0
46 plumbis
Changing a Switch Member Number in a 3850 Stack
Last Reply 1 day 23 hours ago.
0
0.0
0 Carlos Villagran
Catalyst 4500 CPU Packet Buffer Parser
Last Reply 4 days 22 hours ago.
3
0.0
0 aeguiart
NXOS Log Finder Tool for Nexus Switches
Last Reply 5 days 23 hours ago.
53
4.5
0 aeguiart
Cisco CatOS vs. IOS Commands
Last Reply 1 week 1 day ago.
1
0.0
0 Daniel Vieceli
Route to Host Stuck on Switch
Last Reply 1 week 3 days ago.
3403
5.0
5 Adrian Martinez
Nexus - vPC Recommendations
Last Reply 3 weeks 11 hours ago.
28405
5.0
5 pnagpal
3850 switch - IOS XE upgrade Detailed (standalone)
Last Reply 3 weeks 21 hours ago.
15248
5.0
10 Furose Khan Mohammed Ali
What’s New on Cisco Catalyst 6500 Series? - FAQ from Live Webcast
Last Reply 3 weeks 1 day ago.
306
0.0
1 ashirkar
How to Form a Catalyst 3850 Data-Stack and Power-Stack
Last Reply 3 weeks 1 day ago.
2535
5.0
4 Luis Villanueva Brito
Recognize the purpose & functions of various network devices:Router, Switch, Hub & Bridge.
Last Reply 3 weeks 1 day ago.
40
0.0
0 Gerald C. Paciello
What is the difference between an IP base image and an IP services image
Last Reply 3 weeks 6 days ago.
214153
5.0
14 tahirshabbir
3850: Understanding interface configuration on NM modules
Last Reply 3 weeks 6 days ago.
40120
5.0
16 Richard Primm
LICENSING on 2900/3500/3700
Last Reply 4 weeks 8 hours ago.
23209
0.0
5 ranraju
Does cisco 2921 ip base supports nat and static route ....can any one please advise
Last Reply 1 month 2 weeks ago.
20
0.0
3 mohdayaz1981
How to use Time-Domain Reflectometer (TDR)
Last Reply 1 month 3 weeks ago.
99971
5.0
92 Leo Laohoo
Resilience between sites
Last Reply 1 month 3 weeks ago.
10
0.0
1 Jamie Hancock
How can i bind ip address to the respective mac address of a PC?
Last Reply 2 months 4 hours ago.
11761
4.0
0 Chandhuru sekaran marimuthu
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 2 months 2 days ago.
69873
4.8
8 ashirkar
Using 3850 Embedded Wireshark (Wired)
Last Reply 2 months 4 days ago.
41489
5.0
4 Colby Beam
플레이텍카지노\☏\『 HAR24.COM 』\【월드카지노】플레이텍카지
Last Reply 2 months 5 days ago.
11
0.0
0 jjihoon387
Troubleshooting Nexus 7000 - Useful commands
Last Reply 2 months 1 week ago.
4689
0.0
4 pnagpal
Password Recovery for cisco cat 2960, 3550, 3560 and 3750 switches
Last Reply 2 months 2 weeks ago.
243
0.0
0 rmelumal
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 3 months 16 hours ago.
60776
5.0
14 SunilKhanna
IPV6 on the Cisco 877
Last Reply 3 months 1 week ago.
34818
5.0
0 Andrew Judson
Filter Results
Subject Views Rating Comments Author
blog SWITCH configuration
Last Reply 1 day 23 hours ago.
4
0.0
0 julius78_baclaan1
blog IPv6 for future CCNAs (+) – Final Part.
Last Reply 1 week 1 day ago.
113
0.0
0 Gerald C. Paciello
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 1 week 2 days ago.
6
0.0
0
blog Catalyst 3850 and 4500 compatibility with power supply Phase-phase in IT mode
Last Reply 1 week 2 days ago.
4
0.0
0
blog Loading an IOS on a switch via Xmodem
Last Reply 1 week 5 days ago.
76525
5.0
18 Aninda Chatterjee
blog How would a multicast be delivered with incongruent IP/MAC addressing?
Last Reply 2 weeks 1 day ago.
201
5.0
4 Peter Paluch
blog IPv6 for future CCNAs – Part II
Last Reply 2 weeks 1 day ago.
194
5.0
0 Gerald C. Paciello
blog IPv6 for future CCNAs – Part I
Last Reply 2 weeks 3 days ago.
330
4.0
1 Gerald C. Paciello
blog Spanning Tree Protocol, from a feature CCNA´s Perspective, by Gerald C. Paciello
Last Reply 1 month 4 days ago.
842
5.0
0 Gerald C. Paciello
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 4 months 4 weeks ago.
27884
4.7
13 Akula Jyoti Lakshmi
blog Collector Security
Last Reply 5 months 3 weeks ago.
27
0.0
0 marobbs
blog Who Should Attend The Kickoff Meeting?
Last Reply 6 months 3 days ago.
51
0.0
0 marobbs
blog Network Optimization: The 90-Day Plan
Last Reply 6 months 1 week ago.
70
0.0
0 marobbs
blog Prepare for the Collector
Last Reply 6 months 3 weeks ago.
57
0.0
0 marobbs
blog Expert Insights: Network Optimization
Last Reply 6 months 4 weeks ago.
61
0.0
0 marobbs
blog Network Compliance Analysis
Last Reply 6 months 4 weeks ago.
51
0.0
0 marobbs
blog Three Tips for a Successful Review Period
Last Reply 6 months 4 weeks ago.
50
0.0
0 marobbs
blog Nexus 7000 ACL logging (OAL)
Last Reply 7 months 2 days ago.
19636
5.0
8 Robert Taylor
blog Active /Active Internet Load balancing with High availability ( AS Prepend Path)
Last Reply 7 months 1 week ago.
254
5.0
0 Ganesh Hariharan
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 10 months 1 week ago.
29812
5.0
1 Shashank Singh
blog License Activation on 4500
Last Reply 1 year 6 months ago.
1076
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 1 year 6 months ago.
7923
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 1 year 9 months ago.
3324
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 9 months ago.
24412
5.0
3 ajaju
blog Configuring a frame-relay switch
Last Reply 1 year 11 months ago.
8648
5.0
7 Aninda Chatterjee
Filter Results
LAN, Switching and Routing
Views: 23783
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4.8 (4 ratings)
LAN, Switching and Routing
Views: 54
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1449
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1369
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 964
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 427
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 456
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4 (1 ratings)
LAN, Switching and Routing
Views: 277
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 287
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 716
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 8
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 59
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 41
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 436
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 745
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 535
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 491
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 15
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 357
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
LAN, Switching and Routing
Views: 230
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
Filter Results

This Month

Events

April 18
Ask the Expert
January 25
Ask the Expert
October 4, 2015
Ask the Expert
September 7, 2015
Ask the Expert
May 11, 2015
Ask the Expert
April 13, 2015
Ask the Expert
January 5, 2015
Ask the Expert
July 21, 2014
Ask the Expert
March 31, 2014
Ask the Expert
April 1, 2014
Webcasts
March 10, 2014
Webcasts
July 27, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 12, 2012
Techtalks
  • 1
  • 2
  • 3
  • 4
  • 5
July 30, 2012
Ask the Expert
August 29, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
December 31, 1969
Facebook Forums
May 25, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
May 21, 2012
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
March 12, 2012
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5

Announcements

Actions

 
 

Popular Discussions

Popular Documents

Rank Username Points
1 18,800
2 10,661
3 9,344
4 8,632
5 8,290
Rank Username Points
237
157
88
75
55