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.

 My Customer Switch Active SUP got reload and come up;I Shared the  crashinfo herewith. Please help me to know  the reason of reload active SUP.
1 hour 47 min ago
Hi,I have created a website ( http://192.168.1.1/omniwebclient/webform/1home ) which i am able to access in my local network. NOW,same website link...
1 hour 53 min ago
 Hi team, Can WS-4506E support WS-X45-SUP6L-E? Also it is unable to load any other IOS except cat4500e-lanbase-mz.122-53.SG10.bin, I am trying to l...
by yeopaul
2 hours 32 min ago
Dear All, please help me by answering some questions in my work we have two different sites each connected to the main office "third site" with dar...
2 hours 56 min ago
Hi all, I am reading this link belowhttp://www.firewall.cx/networking-topics/general-networking/109-network-broadcast.html and it came to my mind t...
3 hours 2 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6736 569 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion Vlan acl s on cisco nexus 7000
Last Reply 2 min 56 sec ago.
0 0 0.0 1 steve switzer
discussion Replacing 4 x 48 port 3750 switches on stack
Last Reply 52 min 27 sec ago.
0 0 0.0 6 vjcastigo
discussion ASR 9006 NTP sync issue
Last Reply 1 hour 9 min ago.
8 0 0.0 3 Thijs Van Severen
discussion Cisco 6506 switch crash and come up
Last Reply 1 hour 47 min ago.
0 0 0.0 0 Manjunatha Jayaram
discussion License Mismatch
Last Reply 1 hour 43 min ago.
0 0 5 2 billybong
discussion Nat Network address translations
Last Reply 1 hour 53 min ago.
0 0 0.0 0 Mayur Aher
discussion L2/L3 Network Design Core Distribution Acces
Last Reply 2 hours 26 min ago.
0 0 0.0 4 cypress73
discussion Can WS-4506E support WS-X45-SUP6L-E? unable to upgrade the IOS too.
Last Reply 2 hours 32 min ago.
0 0 0.0 0 yeopaul
discussion 4507E VSS implementation
Last Reply 2 hours 56 min ago.
0 0 0.0 0 ali16122012
discussion ip policy route-map command on 3750
Last Reply 2 hours 59 min ago.
7466 1 5 12 ganyehcuan
discussion Network broadcast vs Subnet Broadcast
Last Reply 3 hours 2 min ago.
0 0 0.0 0 KOH SZE JIE
discussion Home Fibernetwork setup vs Traceroute results vs WAN IP - Figuring out
Last Reply 4 hours 33 min ago.
0 0 0.0 0 KOH SZE JIE
discussion 4500x - IP Base
Last Reply 4 hours 56 min ago.
0 0 0.0 0 Britto Vimalraj...
discussion 2801 with a 512MB Memory module upgrade
Last Reply 5 hours 2 min ago.
2070 0 0.0 11 jasonmadruga84
discussion 3560G/3750G
Last Reply 5 hours 2 min ago.
0 0 5 7 Anthony Brandelli
discussion can we use a using a routed port as a gateway instead of SVI on a l3 switch ?
Last Reply 5 hours 9 min ago.
0 0 5 14 KOH SZE JIE
discussion cisco 6800IA problem with PSU
Last Reply 5 hours 32 min ago.
0 0 0.0 0 joakimstromgren
discussion Ask the Expert: High CPU on IOS Questions with Cisco Expert Vinit Jain
Last Reply 7 hours 2 min ago.
0 0 5 6 Vinit Jain
discussion What is the FL-29-HSEC-K9 license for?
Last Reply 7 hours 3 min ago.
3421 0 0.0 2 Adrian Martinez
discussion AP's lose connectivity same time every night
Last Reply 8 hours 7 min ago.
0 0 5 3 Leo Laohoo
discussion ASA 5505 vpn connection issues
Last Reply 12 hours 4 min ago.
0 0 0.0 1 PramodKashid
discussion Smart Install Vstack WS-C3750X-12S issue
Last Reply 12 hours 8 min ago.
4 0 0.0 3 Leo Laohoo
discussion HSRP on Secondary IP address - Cisco 2900
Last Reply 12 hours 17 min ago.
6299 0 0.0 4 PramodKashid
discussion Cisco 3750, add stack while running...
Last Reply 12 hours 23 min ago.
0 0 5 4 Leo Laohoo
discussion sswitch ports
Last Reply 12 hours 25 min ago.
0 0 5 12 Leo Laohoo
Filter Results
Subject Views Rating Comments Author
Password Recovery on Cisco Catalyst 3850
Last Reply 2 min 16 sec ago.
1972
0.0
3 Collin Clark
Configuring a router Eth int or SVI to be a DHCP client
Last Reply 5 years 10 months ago.
4322
4.0
0 TCC_2
The card in a fixed hardware configuration Cat chassis functions improperly, not online
Last Reply 5 years 10 months ago.
624
0.0
0 TCC_2
How to configure a Flex Link for link-level redundancy in Cat switches that run IOS
Last Reply 5 years 10 months ago.
11294
0.0
0 TCC_2
%SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred Cat 6k, WS-X6348-RJ45 module reset
Last Reply 5 years 10 months ago.
383
0.0
0 TCC_2
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 4 days 22 hours ago.
286377
5.0
36
How to use Time-Domain Reflectometer (TDR)
Last Reply 5 days 3 min ago.
67347
5.0
68 Leo Laohoo
Retrieving Core files from Cisco Nexus switching platforms
Last Reply 2 years 10 months ago.
13282
5.0
1 Yogesh Ramdoss
Using 3850 Embedded Wireshark (Wired)
Last Reply 1 week 4 days ago.
35732
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 1 week 5 days ago.
3625
0.0
1 TCC_2
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 1 week 5 days ago.
34075
4.7
6
Temperature alarms on WS-X6904-40G
Last Reply 2 weeks 4 days ago.
10
5.0
0 Madhukrishnan Gopinathan Nair
How to configure an IP access list to control directed broadcasts for the Wake-on-LAN setup
Last Reply 2 weeks 4 days ago.
2811
0.0
1 TCC_2
Nexus - vPC Recommendations
Last Reply 2 weeks 6 days ago.
18575
5.0
3 pnagpal
Increased Total output drops/OutDiscards by QoS for Desktop Series Switches Products
Last Reply 3 weeks 6 days ago.
16
0.0
0 Csc TsWebDocs
Telnet session to FWSM module disconnects due to MTU size issues in 6500 or 7600 switches
Last Reply 5 years 10 months ago.
1412
0.0
0 TCC_2
X2-10GB-LRM vs X2-10GB-SR compatability
Last Reply 1 month 3 days ago.
1405
0.0
9 yogesh rajguru
Fortify Your LAN with Cisco Catalyst Switching - FAQ from live webcast
Last Reply 1 year 3 weeks ago.
140
5.0
0 Anim Saxena
QoS marking based on the “trust dscp” IOS CLI command
Last Reply 1 month 5 days ago.
25
0.0
0 ben.epskamp
Catalyst 6800 VSS Quad-Sup SSO and Instant Access Overview - FAQ from live webcast
Last Reply 1 month 1 week ago.
4820
5.0
2
The %SUPQ-4-CPUHB_RECV_STARVE: Still seeing receive queue stuck after throttling error message is displayed in the logs of Cisco Catalyst 2970, Catalyst 3560, or Catalyst 3750 Metro series switches running Cisco IOS System Software
Last Reply 1 month 2 weeks ago.
7132
0.0
1 TCC_2
SNMP Engine over 80% CPU 100%!!! ?
Last Reply 1 month 2 weeks ago.
4260
0.0
3 vita_user
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 1 month 2 weeks ago.
44393
4.5
6 Thamaraiselvam Santhanam
3850: Understanding interface configuration on NM modules
Last Reply 1 month 2 weeks ago.
16516
5.0
8 Richard Primm
Cisco 2911 Stuck in ROMMON After CF Format
Last Reply 1 month 2 weeks ago.
135
0.0
2 Ty Gadberry
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 3 months 1 week ago.
17786
4.6
12 jakula
blog License Activation on 4500
Last Reply 6 months 2 weeks ago.
201
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 6 months 3 weeks ago.
7154
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 9 months 2 weeks ago.
2274
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 9 months 3 weeks ago.
16081
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 10 months 1 week ago.
40336
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 11 months 2 weeks ago.
5999
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 11 months 3 weeks 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 11 months 4 weeks ago.
124
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 2 days ago.
107
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 1 week ago.
328
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 2 years 11 months ago.
1329
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 2 years 11 months ago.
743
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 2 years 2 months ago.
94
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 4 years 3 weeks ago.
24555
5.0
0 Shashank Singh
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 11 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 1 month ago.
276
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 1 month ago.
5448
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 4 months ago.
1627
0.0
1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 8 months ago.
1859
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 9 months ago.
2294
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 1 year 9 months ago.
15705
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 5 months ago.
4236
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 6 months ago.
5822
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 2 years 9 months ago.
10458
5.0
7 pnagpal
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