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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These 2 3750X switches will have 2 3750g-12s-s switches connected in a stackwise loop at some point. Problem i see is the latest version available...
2 min 27 sec ago
Hi,    If I am trying to configure VSAN load-balancing for an FCOE trunk. Besides, configuring the load-balance method under the VSAN database do I...
52 min 19 sec ago
Hi All,      i have 2 issue with my Nexus 3548    1-  when i insert  GLC-SX-MMD into Nexus 3548P-10G port i got SFP vendor not supported if i check...
7 hours 49 min ago
Hi All,We are getting the below error on our Cisco 3560 Switch and the device is running on the image ":c3560-ipservicesk9-mz.122-55.SE4.bin".01079...
8 hours 54 min ago
Hi~ Anyone can help in providing a solution for getting P/N and S/N from all switches? All branches in our company are connected with MPLS network,...
10 hours 47 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6739 569 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion Mixed version/Switch stack 3750x and 3750g
Last Reply 2 min 27 sec ago.
0 0 0.0 0 favyan asia
discussion N5K : a way to log CLI commands issued by users ?
Last Reply 38 min 50 sec ago.
14 0 5 3 guillerm
discussion High convergence time rstp
Last Reply 48 min 4 sec ago.
68 0 0.0 16 Jon Marshall
discussion Setup VSAN load-balancing for FCOE trunk link
Last Reply 52 min 19 sec ago.
0 0 0.0 0 Victor Reyes II
discussion Strange Connectivity Issue
Last Reply 1 hour 4 min ago.
0 0 0.0 7 Jon Marshall
discussion Port security mac address max # and VOIP (for umpteenth time)
Last Reply 1 hour 17 min ago.
3825 0 5 3 mahesh parmar
discussion sntp configuration in SF500 seems not working
Last Reply 1 hour 24 min ago.
16 0 0.0 1 joopv
discussion MLS QoS configuration
Last Reply 1 hour 38 min ago.
0 0 0.0 1 Joseph W. Doherty
discussion IOS XE and aaa
Last Reply 1 hour 56 min ago.
0 0 0.0 1 thiland
discussion DHCP Snooping Issue
Last Reply 3 hours 19 min ago.
59 0 5 10 amikat
discussion LACP Link faster in one direction
Last Reply 4 hours 14 min ago.
31 0 0.0 4 toprock1970
discussion I want to perform BASIC QoS on a few ip access-lists, is this enough?
Last Reply 5 hours 43 min ago.
26 0 0.0 4 Joseph W. Doherty
discussion Catalyst 4500x-32
Last Reply 6 hours 25 min ago.
19 0 0.0 4 Joseph W. Doherty
discussion 3750 vs 3750v2
Last Reply 6 hours 27 min ago.
13 0 0.0 2 Joseph W. Doherty
discussion Stacking switches between C3750 and C3750X
Last Reply 6 hours 31 min ago.
8 0 0.0 1 Joseph W. Doherty
discussion Ip helper-address
Last Reply 6 hours 48 min ago.
67 0 5 13 Andre Neethling
discussion Strange UDLD Issue
Last Reply 7 hours 38 min ago.
32 0 0.0 6 cehill
discussion ping v4 echo replies are split into 3 fragments?
Last Reply 7 hours 48 min ago.
7 0 0.0 1 Peter Paluch
discussion SFP vendor not supported
Last Reply 7 hours 49 min ago.
9 0 0.0 0 Mahmoud El-sharif
discussion %PLATFORM_ENV-1-PWR_RPS: Redundant power supply faulty or in standby mode
Last Reply 8 hours 54 min ago.
3 0 0.0 0 Senthil Rajendra
discussion OSPF configuration
Last Reply 8 hours 51 min ago.
40 0 0.0 5 paul driver
discussion problem connexion ssh 2960 plus 48 PST-L in ssh
Last Reply 9 hours 12 min ago.
19 0 0.0 3 admin.rsa
discussion Get P/N and S/N from All Switches in Company's Internal Network
Last Reply 10 hours 47 min ago.
6 0 0.0 0 Lion Zhang
discussion BGP4 Session Goes Down receiving FULL Routers from providers
Last Reply 10 hours 48 min ago.
1948 0 0.0 17 xavertooth
discussion The difference of the IEEE802.1x Auth between Cisco Routers and Catalyst switches
Last Reply 11 hours 49 min ago.
6 0 0.0 0 mhiyoshi
Filter Results
Subject Views Rating Comments Author
Single-sided vs double-sided vpc
Last Reply 2 hours 49 min ago.
8515
3.7
7 pnagpal
EEM Script for collecting data during Intermittent High CPU issue
Last Reply 2 years 5 months ago.
6775
0.0
3 pnagpal
Troubleshooting Nexus 7000 - Useful commands
Last Reply 3 years 2 months ago.
3638
0.0
3 pnagpal
Cheat-sheet for Catalyst 6500 with Sup 720
Last Reply 3 years 4 months ago.
6983
0.0
2 pnagpal
Deep dive into EIGRP Summarization
Last Reply 3 years 7 months ago.
15
0.0
0 pnagpal
Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 1 year 3 weeks ago.
92809
4.0
1 Shaun Hummel
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 1 week 2 days ago.
53626
4.5
5 Thamaraiselvam Santhanam
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 5 days 7 hours ago.
39909
5.0
12 SunilKhanna
Redundant-power-supply support on the Cisco Catalyst Express 500 Series switches
Last Reply 5 years 8 months ago.
392
0.0
0 TCC_2
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 3 weeks 3 days ago.
96079
4.7
47 ashirkar
example of Embedded Event Manager (EEM) on my 881W - to shut down a interface at 1am
Last Reply 3 weeks 4 days ago.
190
4.0
2 dshornstein
OSPF and IS-IS Differences
Last Reply 3 weeks 4 days ago.
3828
5.0
1 inderdeeps
Switch Fabric- Troubleshooting tips
Last Reply 3 years 3 months ago.
18309
5.0
2 pnagpal
The "%SW_DAI-4-DHCP_SNOOPING_DENY:" error message is received when configuring the dynamic ARP inspection in switches that run Cisco IOS Software
Last Reply 1 month 4 days ago.
21825
5.0
4 TCC_2
Troubleshooting tips for 3750X Stack power feature
Last Reply 1 month 1 week ago.
13076
4.0
5 pnagpal
ITD: Load Balancing, Traffic Steering & Clustering using Cisco switches
Last Reply 1 month 1 week ago.
55
5.0
0 expertadvisor20151
Configuring Microsoft NLB on Nexus 7000
Last Reply 1 month 1 week ago.
5108
5.0
2 mrabbi
OSPF Design Best Practices
Last Reply 1 month 1 week ago.
34797
0.0
2 pnagpal
Importance of BPDU Guard and BPDU Filter !!
Last Reply 1 month 1 week ago.
78785
4.7
11 ganeshh.iyer
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 1 month 1 week ago.
27227
3.7
3 TCC_2
Nexus - vPC Recommendations
Last Reply 1 month 2 weeks ago.
17411
5.0
2 pnagpal
Known Issues on Cisco 7600 Router ES+ Line Cards
Last Reply 1 month 3 weeks ago.
12448
5.0
6 Aleksandar Vidakovic
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 1 month 5 days ago.
21428
4.6
12 jakula
blog License Activation on 4500
Last Reply 4 months 1 week ago.
146
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 4 months 2 weeks ago.
6996
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 7 months 2 weeks ago.
2105
5.0
5 aninchat
blog Booting Cisco Router from a TFTP server
Last Reply 7 months 2 weeks ago.
14475
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 8 months 5 days ago.
36684
5.0
7 aninchat
blog Configuring a frame-relay switch
Last Reply 9 months 2 weeks ago.
5784
5.0
7 aninchat
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 9 months 3 weeks ago.
369
5.0
0 Francine Richards
blog Upcoming Ask the Expert Event with Cisco Designated VIP Marwan Al-shawi May 12-23
Last Reply 9 months 3 weeks ago.
121
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 10 months 4 days ago.
96
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 10 months 2 weeks ago.
296
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 2 years 9 months ago.
1002
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 2 years 8 months ago.
709
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 2 years 3 weeks ago.
77
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 3 years 10 months ago.
20607
5.0
0 shashasi
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 9 months ago.
7888
5.0
9 rucjain
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 11 months 1 week ago.
270
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 11 months 2 weeks ago.
4644
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 2 months ago.
1393
0.0
1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 6 months ago.
1751
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 7 months ago.
2255
4.5
4 InayathUlla Sharieff
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