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 have a cisco 3560 switch , current IOS version is 12.2(25)SEE2, I'm trying to update the IOS version but every time I run the md5 check on th...
5 min 4 sec ago
I have a few Access Points (541N-A-k9) at a customer's site and they just purchased about 60 HP Stream Laptops. (not including other laptops and iP...
38 min 35 sec ago
Not sure if I am in right community... please add this thread to the right one. Thanks! +++ UC540 has 2 VLANs, 1 for data and the other for voice....
3 hours 15 min ago
Dears,I want to limit the bandwidth 50M per port on 2960x switch.Config:!class-map match-all CLASS_50M match access-group name ACL_50M!policy-map P...
11 hours 1 min ago
dear Collegues,could you please say why i get Access-Reject when i trying to authenticate/authorise in Switch with using Domain user account from A...
12 hours 32 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6733 569 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion 3560 Switch IOS upgrade issue md5
Last Reply 5 min 4 sec ago.
0 0 0 0 eortizrovira@ho...
discussion Telnet to Router on port 9130
Last Reply 6 min 35 sec ago.
25 0 0 2 Scott Eddy
discussion GLBP with PBR
Last Reply 12 min 22 sec ago.
0 0 0 1 Jon Marshall
discussion switch behaviour on multicast packet
Last Reply 15 min 9 sec ago.
5 0 0 1 Jon Marshall
discussion Help with Traffic Routes
Last Reply 21 min 52 sec ago.
30 0 0 9 Jon Marshall
discussion replacement for cisco 2621 router
Last Reply 22 min 49 sec ago.
2 0 0 1 mark malone
discussion Local DNS on Cisco router
Last Reply 27 min 15 sec ago.
3 0 0 1 mark malone
discussion AP541N-A-k9 Limitations on the amount of devices that can connect
Last Reply 38 min 35 sec ago.
0 0 0 0 twachenfeld1
discussion 3750-X power stack
Last Reply 1 hour 24 min ago.
39 0 0 3 jhager001
discussion UC540W-FXO-K9
Last Reply 3 hours 5 min ago.
0 0 0 0 Mickey Shek
discussion 3850 switch stack ports
Last Reply 3 hours 43 min ago.
20 0 5 6 Joel Strawn
discussion Unable to ping or Telnet switch 3560 but showing in cdp neighbour
Last Reply 5 hours 3 min ago.
48 0 0 12 omer shtivi
discussion High Number of Out Discards on 2960x Switches
Last Reply 5 hours 9 min ago.
87 0 0 22 Dave Cancela
discussion Set up a cisco SG 200-08 as a access switch
Last Reply 5 hours 10 min ago.
0 0 0 1 mark malone
discussion 2901 Router LAN Ports?
Last Reply 5 hours 21 min ago.
0 0 0 1 Jon Marshall
discussion SSH multiplexing on IOS XE
Last Reply 6 hours 1 min ago.
0 0 0 2 ramicohen
discussion spanning tree issue root changed for vlan x
Last Reply 6 hours 10 min ago.
8 0 5 2 erwee1973
discussion Error opening tftp (Timed out)
Last Reply 7 hours 3 min ago.
57995 3 4.8 44 Jake Stroud
discussion Need Configuration Assistance Connecting Two VDCs on Nexus 7K with F3 Module
Last Reply 7 hours 33 min ago.
22 0 0 1 jeff6strings
discussion can HRSP / VRRP be use in the such setup ?
Last Reply 7 hours 46 min ago.
17 0 5 3 KOH SZE JIE
discussion Only 1 port does not support speed 1g connection on C2960G switch.
Last Reply 8 hours 48 min ago.
53 0 0 11 masoowo@naver.com
discussion WCCP command not accepted on 3750 switch
Last Reply 9 hours 6 min ago.
1 0 0 1 mark malone
discussion IOS upgrade for VSS 6509-E
Last Reply 9 hours 29 min ago.
0 0 0 1 frederickduester
discussion Cisco SG500X crash - CSCuu60493 bug?
Last Reply 10 hours 48 min ago.
2 0 0 2 tomaszg.golebiewski
discussion Nexus in Enterprise Core
Last Reply 10 hours 56 min ago.
25 0 0 2 marce1000
Filter Results
Subject Views Rating Comments Author
The "%SPANTREE-7-BLOCK_PORT_TYPE : Blocking [chars] on [chars]. Inconsistent port type" message is logged on Cisco Catalyst switches
Last Reply 2 min 29 sec ago.
18676
0.0
2 TCC_2
%C4K_SUPERVISOR-2-SOFTERROR / %C4K_SUPERVISOR-2-FPGASOFTERROR
Last Reply 2 days 20 hours ago.
2
0.0
0 InayathUlla Sharieff
Egress QOS
Last Reply 2 days 21 hours ago.
53703
5.0
14 somgupta
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 5 days 19 hours ago.
51746
4.6
7 Thamaraiselvam Santhanam
How to Form a Catalyst 3850 Data-Stack and Power-Stack
Last Reply 1 week 2 days ago.
103
0.0
0 Luis Villanueva Brito
Properly Installing Cisco USB Console Driver
Last Reply 1 week 4 days ago.
109
0.0
1 lsgabrillo
How to define the VLANs allowed on a trunk link
Last Reply 1 week 6 days ago.
187991
5.0
3 TCC_2
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 3 weeks 1 day ago.
50296
4.7
53
3850 switch - IOS XE upgrade Detailed (standalone)
Last Reply 3 weeks 1 day ago.
6066
5.0
5 Furose Khan Mohammed Ali
Error Message:%ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface <interface> Power Controller reports power Imax error detected
Last Reply 1 month 1 day ago.
13777
5.0
4 Sivagami Narayanan
Running 40 routers with IOU in 4GB RAM
Last Reply 1 month 2 days ago.
57
0.0
0 Sudeb Das
"Etherchannel Loadbalancing on Catalyst Switches"
Last Reply 1 month 1 week ago.
21518
5.0
3 Souvik Ghosh
SSH version 2 no IOS cat4000-i5s-mz.122-25.EWA14.bin
Last Reply 1 month 2 weeks ago.
24
0.0
1 Sergio Alvares
Cisco Nexus 7000 / 7700 Line Cards
Last Reply 1 month 2 weeks ago.
148
0.0
0 Shaun Hummel
Cisco 891 fresh configuration/management without console cable
Last Reply 2 months 1 week ago.
33
0.0
0 totardo.tobing11
3850x VLAN Switch Port Active but no MAC or IP Address
Last Reply 2 months 1 week ago.
147
0.0
2 TOM FRANCHINA
How to define the VLANs allowed on a trunk link
Last Reply 2 months 2 weeks ago.
45
0.0
0 KHALEELUR RAHMAN.A
unable to ping pc from (vlan-A) to pc on (vlan-B)
Last Reply 2 months 3 weeks ago.
45
0.0
0 minestraschaos1
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 2 months 4 weeks ago.
26723
3.7
4 TCC_2
Importance of BPDU Guard and BPDU Filter !!
Last Reply 2 months 4 weeks ago.
100784
4.7
12 ganeshh.iyer
The "%SPANTREE-SP-2-RECV_BAD_TLV:" error Cat 6500 Cisco IOS system software
Last Reply 3 months 2 days ago.
4213
0.0
0 TCC_2
3850 Boot Mode
Last Reply 3 months 3 days ago.
1793
0.0
1 Collin Clark
LICENSING on 2900/3500/3700
Last Reply 3 months 5 days ago.
19208
0.0
3 ranraju
Router Cisco 2921 auto reboot
Last Reply 3 months 1 week ago.
87
0.0
4 npsangvt1
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 3 months 2 weeks ago.
54
0.0
0 josecesp
Filter Results
Subject Views Rating Comments Author
blog Loading an IOS on a switch via Xmodem
Last Reply 1 min 26 sec ago.
50184
5.0
8 Aninda Chatterjee
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 1 month 4 weeks ago.
26212
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 7 months 4 days ago.
20838
4.6
12 jakula
blog License Activation on 4500
Last Reply 10 months 2 weeks ago.
421
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 10 months 3 weeks ago.
7386
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 1 year 1 month ago.
2523
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 1 month ago.
18788
5.0
3 ajaju
blog Configuring a frame-relay switch
Last Reply 1 year 3 months ago.
6704
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 1 year 3 months ago.
383
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 3 months ago.
129
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 4 months ago.
123
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 4 months ago.
404
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 year 4 months ago.
1434
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 year 4 months ago.
761
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 year 4 months ago.
129
5.0
0 jakula
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 5 months ago.
8312
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 5 months ago.
289
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 5 months ago.
7841
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 8 months ago.
1980
0.0
1 Ramu Gajula
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 2 years 1 week ago.
2070
4.7
1 Anand G
blog Parity Error.
Last Reply 2 years 1 month ago.
2397
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 2 years 1 month ago.
16998
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 9 months ago.
4424
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 10 months ago.
5922
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 3 years 1 month ago.
11401
5.0
7 pnagpal
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