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 Guys I have a core L3 switch, connected up to a HA pair of ASA Firewalls. Now I need to give the asa 2 x inside addresses (active/standby), mana...
15 min 8 sec ago
Hello,Unsupported feature. On the 2960X, you can change the sdm template to support upto 16 static routes, but it is unclear if inter-vlan routing...
by lcaruso
24 min 29 sec ago
Can someone explain Delay and Reliability as per below output? How are they calculated? Router1#show interface TenGigabitEthernet 2/0TenGigabitEthe...
2 hours 55 min ago
Hi,When I searched for Cisco 6500 series QoS configuration guide, I could only find 'mls qos' commands. But, on the cisco device I could read the c...
5 hours 27 min ago
Hi community, i´m aware that the archive trick doesn´t work on the Nexus.What i could easily achieve on the Nexus 3064 was a daily backup with the...
6 hours 17 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6733 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion Advice
Last Reply 3 min 2 sec ago.
0 0 0.0 3 Richard Burts
discussion ASA Inside Interface IP's Best Practice
Last Reply 15 min 8 sec ago.
0 0 0.0 0 Mokhalil82
discussion None License Switch
Last Reply 16 min 3 sec ago.
0 0 5 7 Reza Sharifi
discussion 2960X routing sdm template
Last Reply 24 min 29 sec ago.
0 0 0.0 0 lcaruso
discussion stacking 3750-X and 3750G
Last Reply 25 min 17 sec ago.
49 0 0.0 4 rosaho
discussion Port config to Layer 2 ISP cirtcuit
Last Reply 27 min 59 sec ago.
6 0 5 3 Mokhalil82
discussion Switch 3560E issue
Last Reply 28 min 51 sec ago.
54 0 0.0 2 rosaho
discussion How to show module and SFP information include hardware serial number on Nexus switch?
Last Reply 30 min 31 sec ago.
1124 0 5 3 rosaho
discussion fabric interconnect and Native Vlan
Last Reply 32 min 58 sec ago.
31 0 5 3 rosaho
discussion Cisco Smart Meters
Last Reply 35 min ago.
27 0 5 2 rosaho
discussion Stack Member numbering
Last Reply 37 min 26 sec ago.
0 0 0.0 1 Reza Sharifi
discussion eigrp stub connected static config
Last Reply 42 min 13 sec ago.
3 0 0.0 8 mahesh parmar
discussion DHCP pool and ACL
Last Reply 1 hour 5 min ago.
33 0 0.0 7 Roberto Kippins
discussion cisco switch
Last Reply 1 hour 5 min ago.
13 0 0.0 2 rosaho
discussion VLAN Trunk mode configuration
Last Reply 1 hour 29 min ago.
8 0 0.0 2 rosaho
discussion Outdiscard increase very high
Last Reply 1 hour 30 min ago.
6 0 0.0 1 rosaho
discussion Cisco 6500 Rommon Problem
Last Reply 1 hour 32 min ago.
15 0 0.0 2 rosaho
discussion Request for IPFIX (NetFlow Version 10) Flow-Record Format
Last Reply 1 hour 33 min ago.
27 0 0.0 1 rosaho
discussion nexus 3048 switches can't ping ok in same vlan
Last Reply 1 hour 34 min ago.
54 0 0.0 1 rosaho
discussion Te1/1 module nonegotiate
Last Reply 1 hour 35 min ago.
25 0 5 3 rosaho
discussion Swich cold start boot time
Last Reply 1 hour 36 min ago.
21 0 0.0 1 rosaho
discussion Remote Desktop from public USER to SERVER ON VLAN using 3560 L3 switch (Huawei Router WAN -->LAN ->CISCO 3560 L3 SWITCH LAN --> VLAN SERVER)
Last Reply 1 hour 37 min ago.
115 0 0.0 1 rosaho
discussion Cisco 2960x stack (3x) - Inline Power internal error on only one member
Last Reply 1 hour 38 min ago.
28 0 0.0 5 rosaho
discussion how to prevent loop from unmanged switch connected to cisco 2960 switch
Last Reply 1 hour 40 min ago.
8 0 5 4 rosaho
discussion One or more, more specific prefixes could not be programmed into TCAM and are being covered by a less specific prefix, and the packets may be software forwarded
Last Reply 1 hour 41 min ago.
274 0 0.0 1 rosaho
Filter Results
Subject Views Rating Comments Author
Egress QOS
Last Reply 23 hours 42 min ago.
52068
5.0
13 somgupta
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 week 4 hours ago.
50296
4.7
51 ashirkar
Cisco 891 fresh configuration/management without console cable
Last Reply 2 weeks 5 days ago.
11
0.0
0 totardo.tobing11
3850x VLAN Switch Port Active but no MAC or IP Address
Last Reply 2 weeks 5 days ago.
78
0.0
2 TOM FRANCHINA
How to define the VLANs allowed on a trunk link
Last Reply 2 weeks 5 days ago.
28
0.0
0 KHALEELUR RAHMAN.A
unable to ping pc from (vlan-A) to pc on (vlan-B)
Last Reply 4 weeks 1 day ago.
24
0.0
0 minestraschaos1
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 1 month 4 days ago.
25069
3.7
4 TCC_2
Importance of BPDU Guard and BPDU Filter !!
Last Reply 1 month 4 days ago.
92490
4.7
12 ganeshh.iyer
The "%SPANTREE-SP-2-RECV_BAD_TLV:" error Cat 6500 Cisco IOS system software
Last Reply 1 month 1 week ago.
4050
0.0
0 TCC_2
3850 Boot Mode
Last Reply 1 month 1 week ago.
1469
0.0
1 Collin Clark
LICENSING on 2900/3500/3700
Last Reply 1 month 1 week ago.
18303
0.0
3 ranraju
Router Cisco 2921 auto reboot
Last Reply 1 month 2 weeks ago.
74
0.0
4 npsangvt1
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 1 month 3 weeks ago.
47
0.0
0 josecesp
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 1 month 3 weeks ago.
46493
5.0
2 James D Hensley
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 1 month 3 weeks ago.
290972
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 month 4 weeks ago.
8078
0.0
1 TCC_2
Password Recovery on Cisco Catalyst 3850
Last Reply 2 months 3 days ago.
3121
0.0
3 Collin Clark
Configuring a router Eth int or SVI to be a DHCP client
Last Reply 2 months 4 days ago.
4481
4.0
0 TCC_2
The card in a fixed hardware configuration Cat chassis functions improperly, not online
Last Reply 2 months 4 days ago.
631
0.0
0 TCC_2
How to configure a Flex Link for link-level redundancy in Cat switches that run IOS
Last Reply 2 months 4 days ago.
11407
0.0
0 TCC_2
%SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred Cat 6k, WS-X6348-RJ45 module reset
Last Reply 2 months 4 days ago.
393
0.0
0 TCC_2
How to use Time-Domain Reflectometer (TDR)
Last Reply 2 months 1 week ago.
72757
5.0
68 Leo Laohoo
Retrieving Core files from Cisco Nexus switching platforms
Last Reply 2 months 1 week ago.
14178
5.0
1 Yogesh Ramdoss
Using 3850 Embedded Wireshark (Wired)
Last Reply 2 months 2 weeks ago.
36493
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 2 months 2 weeks ago.
3777
0.0
1 TCC_2
Filter Results
Subject Views Rating Comments Author
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 0 sec ago.
24555
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 5 months 5 days ago.
17786
4.6
12 jakula
blog License Activation on 4500
Last Reply 8 months 2 weeks ago.
201
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 8 months 3 weeks ago.
7154
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 11 months 2 weeks ago.
2274
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 11 months 2 weeks ago.
16081
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 5 days ago.
40336
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 1 year 1 month 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 month 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 1 month ago.
124
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 2 months ago.
107
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 2 months ago.
328
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 year 2 months ago.
1329
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 year 2 months ago.
743
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 year 2 months ago.
94
5.0
0 jakula
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 3 months 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 3 months ago.
276
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 3 months ago.
5448
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 6 months ago.
1627
0.0
1 Ramu Gajula
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 10 months ago.
1859
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 11 months ago.
2294
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 1 year 12 months ago.
15705
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 7 months ago.
4236
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 8 months ago.
5822
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 2 years 11 months ago.
10458
5.0
7 pnagpal
Filter Results
LAN, Switching and Routing
Views: 888
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 1135
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 687
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)
LAN, Switching and Routing
Views: 13668
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4.8 (4 ratings)
LAN, Switching and Routing
Views: 288
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 364
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 4 (1 ratings)
LAN, Switching and Routing
Views: 186
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 198
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 456
  • 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: 33
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 33
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 405
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 621
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 318
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (3 ratings)
by rucjain
LAN, Switching and Routing
Views: 344
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (4 ratings)
LAN, Switching and Routing
Views: 10
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
LAN, Switching and Routing
Views: 319
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
LAN, Switching and Routing
Views: 223
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
Filter Results

Events

May 11th
Ask the Expert
April 13th
Ask the Expert
January 5th
Ask the Expert
August 15th, 2014
Ask the Expert
July 21st, 2014
Ask the Expert
March 31st, 2014
Ask the Expert
April 1st, 2014
Webcasts
March 10th, 2014
Webcasts
July 30th, 2012
Ask the Expert
December 12th, 2012
Techtalks
  • 1
  • 2
  • 3
  • 4
  • 5
July 27th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
December 31st, 1969
Facebook Forums
May 25th, 2012
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
October 11th, 2011
Facebook Forums
  • 1
  • 2
  • 3
  • 4
  • 5
January 6th, 2014
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 21st, 2013
Ask the Expert
January 17th, 2012
Webcasts
October 11th, 2009
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 1st, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 15th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
August 29th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5
October 10th, 2011
Ask the Expert
  • 1
  • 2
  • 3
  • 4
  • 5

Actions

 
 
 

Featured Content

Popular Discussions

Popular Documents

Rank Username Points
1 17,515
2 9,785
3 8,212
4 8,092
5 8,004
Rank Username Points
133
130
116
96
83