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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Hello, everyone, I encountered a problem. We have many 3650 switches, and we need to manage them via the management interfaces. However, the cable...
45 min 54 sec ago
I want to know what options exists in cisco platforms for following scenario  "We are looking to update the infra which currently houses a linux bo...
52 min 38 sec ago
Dear All, I am looking for a network management software for a network containing Cisco 4500 with integrated Wireless module switch and cisco ISR w...
3 hours 47 min ago
Does anyone know if the 2960x-48LPS switch has the POE for each switch port split by running odd and even ports on different power modules?
18 hours 27 min ago
WS-C4510R, cat4500-ipbasek9-mz.150-2.SG5, Sup V-10GE 10GE (X2), 1000BaseX (SFP),  WS-X4516-10GEWS-X4248-RJ45VSome of the following may be coinciden...
by p.grace
1 day 2 hours 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 Do more number ports in ACL take more TCAM ?
Last Reply 7 sec ago.
5 0 0 2 Vivek Sharma
discussion QoS - Dropping traffic with BW Available
Last Reply 10 min 57 sec ago.
31 0 4.33333 7 Joseph W. Doherty
discussion About BGP configuration in ASR 1000
Last Reply 11 min 2 sec ago.
9 0 5 2 Peter Paluch
discussion RSPAN cisco + hp procurve 6120xg
Last Reply 18 min 40 sec ago.
6 0 0 2 Peter Paluch
discussion Catalist 6500 limit bandwith need !!!
Last Reply 36 min 39 sec ago.
9 0 0 4 Oleg Gnedykh
discussion SSH works, but TFTP fails
Last Reply 45 min 54 sec ago.
0 0 0 0 sunbocsg1
discussion SSL termination and inspection discussion using cisco technology
Last Reply 52 min 38 sec ago.
0 0 0 0 asad ali
discussion Access Lists on Vlan Interface - Slow Performance
Last Reply 1 hour 17 min ago.
4 0 0 4 Martin Hruby
discussion Server room network setup
Last Reply 1 hour 31 min ago.
12 0 0 1 Martin Hruby
discussion Replacing master switch on 3750E Stack
Last Reply 1 hour 58 min ago.
1 0 0 2 dilshansumesh1
discussion HSRP Virtual MAC Format
Last Reply 2 hours 42 min ago.
8676 0 5 4 SelamsewAmha
discussion Best Practice for Routing DATA and VOICE on an ASA
Last Reply 3 hours 22 min ago.
3 0 0 1 Hitesh Vinzoda
discussion Partial One way Routing. Need Help
Last Reply 3 hours 33 min ago.
28 0 0 3 Hitesh Vinzoda
discussion Network Management Software
Last Reply 3 hours 47 min ago.
0 0 0 0 KESHAV METHI
discussion ip dhcp snooping client can't get ip dhcp
Last Reply 3 hours 51 min ago.
17 0 0 4 Rolf Fischer
discussion HSRP miscommunication -> both active on a vlan
Last Reply 3 hours 54 min ago.
37 0 0 14 Hitesh Vinzoda
discussion Setup an inbound ACL when NAT is used?
Last Reply 3 hours 59 min ago.
30 0 0 7 Hitesh Vinzoda
discussion Cannot Redistributing Direct,EIGRP and OSPF on Nexus 7000
Last Reply 4 hours 58 min ago.
35 0 0 1 ashish shirkar
discussion LAN_ VTP
Last Reply 5 hours 21 min ago.
1 0 0 1 kevin.szatkowski
discussion Switchport Spanning Tree Loop Prevention - Cisco 2960
Last Reply 5 hours 22 min ago.
17 0 5 5 Madhukrishnan G...
discussion Nexus 7000: How do I remove interfaces from a port-channel when those interfaces no longer exist?
Last Reply 6 hours 18 min ago.
2 0 0 1 SURYA AHUJA
discussion Catalyst 2960 not transmitting any data.
Last Reply 6 hours 44 min ago.
4 0 0 8 Samrat Bose
discussion Nexus 7000: How do I remove interfaces from a port-channel when those interfaces no longer exist?
Last Reply 8 hours 2 min ago.
2 0 0 1 Leo Laohoo
discussion Cannot SSH/Telnet to Cisco 867Vae
Last Reply 8 hours 19 min ago.
0 0 5 2 Nirbhai Gill
discussion Catalyst 3750 Access List to prevent IP Stealing
Last Reply 8 hours 24 min ago.
47 0 5 8 Peter Paluch
Filter Results
Subject Views Rating Comments Author
Error Message:%ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface <interface> Power Controller reports power Imax error detected
Last Reply 12 hours 34 min ago.
13430
5.0
4 Sivagami Narayanan
Running 40 routers with IOU in 4GB RAM
Last Reply 1 day 9 hours ago.
0
0.0
0 Sudeb Das
"Etherchannel Loadbalancing on Catalyst Switches"
Last Reply 1 week 2 days ago.
20802
5.0
3 Souvik Ghosh
SSH version 2 no IOS cat4000-i5s-mz.122-25.EWA14.bin
Last Reply 1 week 6 days ago.
17
0.0
1 Sergio Alvares
Cisco Nexus 7000 / 7700 Line Cards
Last Reply 1 week 6 days ago.
42
0.0
0 Shaun Hummel
Egress QOS
Last Reply 3 weeks 2 days ago.
52875
5.0
13 somgupta
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 month 2 hours ago.
50296
4.7
51 ashirkar
Cisco 891 fresh configuration/management without console cable
Last Reply 1 month 1 week ago.
24
0.0
0 totardo.tobing11
3850x VLAN Switch Port Active but no MAC or IP Address
Last Reply 1 month 1 week ago.
121
0.0
2 TOM FRANCHINA
How to define the VLANs allowed on a trunk link
Last Reply 1 month 1 week ago.
38
0.0
0 KHALEELUR RAHMAN.A
unable to ping pc from (vlan-A) to pc on (vlan-B)
Last Reply 1 month 3 weeks ago.
32
0.0
0 minestraschaos1
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 1 month 3 weeks ago.
25751
3.7
4 TCC_2
Importance of BPDU Guard and BPDU Filter !!
Last Reply 1 month 3 weeks ago.
95662
4.7
12 ganeshh.iyer
The "%SPANTREE-SP-2-RECV_BAD_TLV:" error Cat 6500 Cisco IOS system software
Last Reply 2 months 20 hours ago.
4114
0.0
0 TCC_2
3850 Boot Mode
Last Reply 2 months 2 days ago.
1592
0.0
1 Collin Clark
LICENSING on 2900/3500/3700
Last Reply 2 months 4 days ago.
18693
0.0
3 ranraju
Router Cisco 2921 auto reboot
Last Reply 2 months 1 week ago.
79
0.0
4 npsangvt1
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 2 months 2 weeks ago.
49
0.0
0 josecesp
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 2 months 2 weeks ago.
47736
5.0
2 James D Hensley
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 2 months 2 weeks ago.
292569
5.0
37
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 2 months 3 weeks ago.
8160
0.0
1 TCC_2
Password Recovery on Cisco Catalyst 3850
Last Reply 2 months 3 weeks ago.
3628
0.0
3 Collin Clark
Configuring a router Eth int or SVI to be a DHCP client
Last Reply 2 months 3 weeks ago.
4533
4.0
0 TCC_2
The card in a fixed hardware configuration Cat chassis functions improperly, not online
Last Reply 2 months 3 weeks ago.
634
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 3 weeks ago.
11462
0.0
0 TCC_2
Filter Results
Subject Views Rating Comments Author
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 3 weeks 4 days ago.
25748
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 6 months 17 hours ago.
19842
4.6
12 jakula
blog License Activation on 4500
Last Reply 9 months 2 weeks ago.
331
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 9 months 2 weeks ago.
7306
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 1 year 1 week ago.
2444
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 1 week ago.
18029
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 1 month ago.
47035
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 1 year 2 months ago.
6466
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 1 year 2 months ago.
394
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 2 months ago.
9
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 2 months ago.
119
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 3 months ago.
377
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 year 3 months ago.
1407
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 year 3 months ago.
756
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 year 3 months ago.
115
5.0
0 jakula
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 4 months ago.
8210
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 4 months ago.
289
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 4 months ago.
7046
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 7 months ago.
514
0.0
1 Ramu Gajula
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 11 months ago.
2006
4.7
1 Anand G
blog Parity Error.
Last Reply 2 years 3 days ago.
2363
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 2 years 3 weeks ago.
16580
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 8 months ago.
4373
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 9 months ago.
5906
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 3 years 2 weeks ago.
11072
5.0
7 pnagpal
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