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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I have an issue. I need to measure the bandwidth  use in a hospital. They basically dont have any administration. They have a few switches , Wirele...
5 hours 50 min ago
i need to upgrade ios on ASR1k  and add an ESP-5 card , unable to find the right document for the same
7 hours 24 min ago
Hi,    I read this document   http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/4170-ospfprocesses.html  below figure 4, i...
by fly
14 hours 36 min ago
Hi All, I'm using Cisco 3750 Catalyst and C3560G, recent days ago i purchased a pair of WatchGuard Firewalls and put in the system to run HA Active...
20 hours 59 min ago
 We have a 4500-x in VSS pair setup as the core router. We have ToR switches connected to it using the trunk uplink interface.The router is droppin...
1 day 4 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6738 569 6 1 0
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Subject Views Votes Rating Replies Last replied by
discussion Proxy Arp debugging
Last Reply 3 min 16 sec ago.
0 0 0.0 1 Richard Burts
discussion help with multiple nat translation on a Cisco Nexus 3548
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11 1 0.0 4 les.k.stott
discussion Cisco C4503-E is being reloaded without a reason
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30 0 0.0 6 Mohamed Saad
discussion 871 router cwmp inventory file
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4 0 0.0 1 Karsten Iwen
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3 0 0.0 1 Reza Sharifi
discussion Data Center Routing Protocols
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1 0 5 1 Reza Sharifi
discussion Nexus 5596 OS upgrade delay
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16 0 0.0 3 rmeans
discussion Cannot remote into 1 of my switches.
Last Reply 4 hours 27 min ago.
0 0 0.0 2 brian_k_schmitt
discussion Basic 3850 Management port and remote SSH access with Local User auth!
Last Reply 5 hours 29 min ago.
10 0 0.0 4 apasillas
discussion Cisco 6500 logging
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16 0 0.0 2 fawad-alam
discussion Traffic Behavior with failed VSL Links in VSS Configuration
Last Reply 5 hours 48 min ago.
7 0 0.0 2 Terence Lockette
discussion Site2site VPN (RV325 Router & ASA firewall 5555)
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3 0 0.0 1 David Johan Cas...
discussion Measure bandwidth in local network
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3 0 0.0 0 Gerson Acevedo
discussion dmvpn tunnel issue
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118 1 5 4 ronak gandhi
discussion Trunk port vs Access port speed
Last Reply 6 hours 9 min ago.
0 0 0.0 1 Jon Marshall
discussion Cable Diagnostics Cisco 3650
Last Reply 6 hours 24 min ago.
2 0 0.0 1 Madhukrishnan G...
discussion 6880 - VSS - C6880-X-16P10G
Last Reply 6 hours 47 min ago.
1 0 0.0 3 Madhukrishnan G...
discussion Reason for the switch uplink and the network design - really wanted to know ;)
Last Reply 7 hours 8 min ago.
93 0 5 14 szejiekoh
discussion Packet loss when pinging from/to a cisco 3560e switch
Last Reply 7 hours 18 min ago.
4 0 0.0 1 Madhukrishnan G...
discussion Unable to ping Server ip address located in other location
Last Reply 7 hours 20 min ago.
9 0 0.0 1 Madhukrishnan G...
discussion WS-F6700-DFC3C Missing from show inventory
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9 0 0.0 1 Madhukrishnan G...
discussion How to upgrade ios on ASR1k , any steps to follow?
Last Reply 7 hours 24 min ago.
0 0 0.0 0 MAnoj Kumar
discussion 6500 HIGH CPU, Standby HSRP state changes continuously
Last Reply 7 hours 52 min ago.
45 0 0.0 7 Madhukrishnan G...
discussion Shaping 10G to 5G
Last Reply 7 hours 52 min ago.
9 0 0.0 1 Reza Sharifi
Filter Results
Subject Views Rating Comments Author
QoS marking based on the “trust dscp” IOS CLI command
Last Reply 6 hours 49 min ago.
3
0.0
0 ben.epskamp
Catalyst 6800 VSS Quad-Sup SSO and Instant Access Overview - FAQ from live webcast
Last Reply 3 days 23 hours ago.
4528
5.0
2 ashirkar
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 week 3 days ago.
7016
0.0
1 TCC_2
SNMP Engine over 80% CPU 100%!!! ?
Last Reply 1 week 4 days ago.
4199
0.0
3 vita_user
CAM (Content Addressable Memory) VS TCAM (Ternary Content Addressable Memory)
Last Reply 1 week 5 days ago.
43176
4.5
6 Thamaraiselvam Santhanam
3850: Understanding interface configuration on NM modules
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15672
5.0
8 Richard Primm
Password Recovery on Cisco Catalyst 3850
Last Reply 1 week 6 days ago.
1811
0.0
2 Collin Clark
Cisco 2911 Stuck in ROMMON After CF Format
Last Reply 2 weeks 2 days ago.
70
0.0
2 Ty Gadberry
Route to Host Stuck on Switch
Last Reply 2 weeks 5 days ago.
2706
5.0
4 martinez-adrian
Single-sided vs double-sided vpc
Last Reply 3 weeks 5 days ago.
8877
3.7
15 pnagpal
EEM Script for collecting data during Intermittent High CPU issue
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6943
0.0
3 pnagpal
Troubleshooting Nexus 7000 - Useful commands
Last Reply 3 years 3 months ago.
3689
0.0
3 pnagpal
Cheat-sheet for Catalyst 6500 with Sup 720
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7042
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2 pnagpal
Deep dive into EIGRP Summarization
Last Reply 3 years 8 months ago.
18
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0 pnagpal
Routing Protocol Selection Guide - IGRP, EIGRP, OSPF, IS-IS, BGP
Last Reply 1 year 1 month ago.
98126
4.0
1 Shaun Hummel
Understanding MSFC, PFC and DFC roles in Catalyst 6500 Series Switch
Last Reply 1 month 3 days ago.
41197
5.0
12 SunilKhanna
Redundant-power-supply support on the Cisco Catalyst Express 500 Series switches
Last Reply 5 years 9 months ago.
396
0.0
0 TCC_2
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 month 3 weeks ago.
101137
4.7
47 ashirkar
example of Embedded Event Manager (EEM) on my 881W - to shut down a interface at 1am
Last Reply 1 month 3 weeks ago.
202
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2 dshornstein
OSPF and IS-IS Differences
Last Reply 1 month 3 weeks ago.
3993
5.0
1 inderdeeps
Switch Fabric- Troubleshooting tips
Last Reply 3 years 4 months ago.
18587
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2 pnagpal
The "%SW_DAI-4-DHCP_SNOOPING_DENY:" error message is received when configuring the dynamic ARP inspection in switches that run Cisco IOS Software
Last Reply 2 months 2 days ago.
27965
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4 TCC_2
Troubleshooting tips for 3750X Stack power feature
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13558
4.0
5 pnagpal
ITD: Load Balancing, Traffic Steering & Clustering using Cisco switches
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59
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0 expertadvisor20151
Filter Results
Subject Views Rating Comments Author
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 2 months 1 week ago.
17174
4.6
12 jakula
blog License Activation on 4500
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179
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blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
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7038
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blog How to build the topology of an OSPF area
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5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
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15585
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3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 9 months 1 week ago.
38731
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7 Aninda Chatterjee
blog Configuring a frame-relay switch
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5895
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blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
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blog Upcoming Ask the Expert Event with Cisco Designated VIP Marwan Al-shawi May 12-23
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123
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blog OSPF over IPsec Tunnel stucks in INIT state
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blog Pre-build SPT feature on Nexus - Benefits & Caveats
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blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
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blog Flexlink in Cisco Layer 2 network
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blog Output drops due to QoS on 2960/3560/3750 switches
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blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
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blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
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blog Switch: How to test a cable status?
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5080
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3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 3 months ago.
1540
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1 ramugaju
blog About "TestErrorCounterMonitor" in 6500/7600
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blog Parity Error.
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