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,We have a three-class qos policy implemented on our branch router:class Voiceclass BusinessAppclass class-default Here is the configuration of t...
17 sec ago
Hi,I have my Syslog server 10.34.48.122 (CPU Only) and I have Configure logging on my Cisco devices. 3 months ago it's working properly but today I...
51 min 45 sec ago
We have an intermittent issue with the L2L VPN. I couldnt pull the logs the time when the issue occured, but, please suggest some troubleshooting s...
3 hours 45 min ago
Hi all, i want to use PBR to filter some traffics and have tested by pinging from a single host to the internet.found that the ACL log, also PBR, d...
5 hours 2 min ago
Hello, We have been having an issue at my office for about a week and a half now. Users upstairs can connect to wi-fi just fine but when they walk...
9 hours 8 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6735 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion Applying QoS policy on a subinterface
Last Reply 17 sec ago.
0 0 0.0 0 Wassim Aouadi
discussion DMartin09
Last Reply 7 min 18 sec ago.
1084 0 0.0 2 atcapaev
discussion HIGH PING LATENCY TO VLAN GATEWAYS
Last Reply 20 min 8 sec ago.
0 0 5 9 nizarkotakkal
discussion Can NOT upgrade IOS in C6880-X-LE
Last Reply 21 min 10 sec ago.
61 0 5 7 jcockburn
discussion Cat 6880X VSS and Instant Access Upgrade
Last Reply 25 min 31 sec ago.
5 1 5 3 jcockburn
discussion Static route setup help
Last Reply 26 min 32 sec ago.
0 0 0.0 4 Seb Rupik
discussion VLAN Configure
Last Reply 26 min 37 sec ago.
0 0 0.0 3 januayap_85
discussion Vlan is flapping in L2 switch
Last Reply 28 min 42 sec ago.
0 0 5 5 Bilal Nawaz
discussion Cisco Switch
Last Reply 29 min 46 sec ago.
0 0 0.0 2 devils_advocate
discussion Input Power requriement for a Cisco 4507R+E switch.
Last Reply 23 hours 48 min ago.
0 1 0.0 0 network_geek1979
discussion HOW DISTRIBUTE THE TRAFFIC THROUGH MPLS DOMAIN
Last Reply 34 min 3 sec ago.
0 1 0.0 8 pabloboscariol
discussion Cisco Instant Access with 6880X Switch
Last Reply 37 min 25 sec ago.
0 0 0.0 2 jcockburn
discussion RV320 VLAN
Last Reply 51 min 22 sec ago.
0 0 0.0 9 markmalone2008
discussion Syslog server doesn't receive messages from the devices.
Last Reply 51 min 45 sec ago.
0 0 0.0 0 arvin_robel1
discussion Catalyst 3750 High CPU ARP INPUT
Last Reply 59 min 57 sec ago.
0 0 0.0 2 Nicolas Maton
discussion Consumer "WAN" port and what is really happening
Last Reply 1 hour 23 min ago.
0 0 5 2 DrisnilGardae
discussion How to Abort Traceroute Execution?
Last Reply 1 hour 43 min ago.
41287 1 5 14 johnbehring
discussion loopguard, bpdu guard for RSTP
Last Reply 1 hour 52 min ago.
0 0 5 2 adimnewtemp
discussion Unknow error when I issue show zone
Last Reply 1 hour 53 min ago.
0 0 0.0 1 zamanull
discussion Need some help with Network Loop - urgent please if possible !!
Last Reply 2 hours 3 min ago.
0 0 0.0 13 MARKUS BENZ
discussion EIGRP , successor and feasible successor
Last Reply 2 hours 23 min ago.
2890 0 5 10 KOH SZE JIE
discussion WS-C3850-12S-S with WS-C3650-24TD-S 10Gig Connection
Last Reply 2 hours 30 min ago.
0 0 0.0 2 Jasaatum_89
discussion block port 25 on single public IP ASA5505
Last Reply 3 hours 17 min ago.
0 0 0.0 5 Karsten Iwen
discussion Intermittent L2L VPN connectivity issue
Last Reply 3 hours 45 min ago.
0 0 0.0 0 srikanth ath
discussion Cisco3750 802.1X LLDP Voice and Data Routing
Last Reply 3 hours 52 min ago.
0 0 0.0 1 xavierloza1
Filter Results
Subject Views Rating Comments Author
LICENSING on 2900/3500/3700
Last Reply 1 day 1 hour ago.
17396
0.0
3 ranraju
Router Cisco 2921 auto reboot
Last Reply 1 week 5 days ago.
0
0.0
4 npsangvt1
Egress QOS
Last Reply 1 week 3 days ago.
50321
5.0
11 somgupta
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 1 week 4 days ago.
0
0.0
0 josecesp
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 4 years 3 months ago.
42740
5.0
2 James D Hensley
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 week 5 days ago.
104405
4.7
50 ashirkar
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 2 weeks 1 day ago.
286377
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 2 weeks 5 days ago.
7832
0.0
1 TCC_2
Password Recovery on Cisco Catalyst 3850
Last Reply 3 weeks 2 days ago.
1972
0.0
3 Collin Clark
Configuring a router Eth int or SVI to be a DHCP client
Last Reply 5 years 11 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 11 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 11 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 11 months ago.
383
0.0
0 TCC_2
How to use Time-Domain Reflectometer (TDR)
Last Reply 4 weeks 4 hours ago.
67347
5.0
68 Leo Laohoo
Retrieving Core files from Cisco Nexus switching platforms
Last Reply 2 years 11 months ago.
13282
5.0
1 Yogesh Ramdoss
Using 3850 Embedded Wireshark (Wired)
Last Reply 1 month 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 month 5 days ago.
3625
0.0
1 TCC_2
Understanding SPAN,RSPAN,and ERSPAN
Last Reply 1 month 5 days ago.
34075
4.7
6 ashirkar
Temperature alarms on WS-X6904-40G
Last Reply 1 month 1 week 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 1 month 1 week ago.
2811
0.0
1 TCC_2
Nexus - vPC Recommendations
Last Reply 1 month 1 week ago.
18575
5.0
3 pnagpal
Increased Total output drops/OutDiscards by QoS for Desktop Series Switches Products
Last Reply 1 month 2 weeks 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 11 months ago.
1412
0.0
0 TCC_2
X2-10GB-LRM vs X2-10GB-SR compatability
Last Reply 1 month 3 weeks ago.
1405
0.0
9 yogesh rajguru
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 4 months 5 days ago.
17786
4.6
12 jakula
blog License Activation on 4500
Last Reply 7 months 1 week ago.
201
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 7 months 2 weeks ago.
7154
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 10 months 2 weeks ago.
2274
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 10 months 2 weeks ago.
16081
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 11 months 5 days ago.
40336
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 1 year 1 week 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 2 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 1 year 2 weeks ago.
124
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 4 weeks ago.
107
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 1 month ago.
328
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 3 years 2 weeks 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 3 months ago.
94
5.0
0 jakula
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 4 years 1 month ago.
24555
5.0
0 Shashank Singh
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 2 years 2 weeks 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 2 months ago.
276
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 2 months ago.
5448
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 5 months ago.
1627
0.0
1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 9 months ago.
1859
4.7
1 Anand G
blog Parity Error.
Last Reply 1 year 10 months ago.
2294
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 1 year 10 months ago.
15705
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 6 months ago.
4236
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 7 months ago.
5822
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 2 years 10 months ago.
10458
5.0
7 pnagpal
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