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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Hi all!I am changing my companies network and I am stuck. I've dug through a number of articles and posts both up here and elsewhere and I am not sure what the problem is. In particular I've been through THIS article a number of times, worried that I...

tabiv by Level 1
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  • 6 replies
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Hi All,Can some please help us in finding the error here , this is our serial interface which is keep bouncing regularly , our telco provider are not able to see any issues on their end .  ==ukld-pop-e-1>   show int serial 6/0:1Serial6/0:1 is up, lin...

rajput001 by Level 1
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Hi All,I am new to networking but have been working with a small LAN setup with success.This is my issue:I am using one 2950 switch along with data converison devices converting incoming serial data to multicast data back to serial data.For the switc...

Hola a todos a ver si me pueden colaborar, tengo un sw con la siguiente configuracion. !version 12.2no service padservice timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname cisco!boot-start-marke...

mamancana by Level 1
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hello I have two router's 1811 and have problems when starting the router's mistake shows up the next Failed test all 0xffffffff Bad RAM at location 0x8800085C: wrote 0xFFFFFFFF, read 0xFFDFFFFF region failed 8800083C: FFFFFFFF 88000840: FFFFFFFF 880...

If I have a trunk between two switches using 802.1q I understand that the native vlan on both trunk ports needs to match.My question is, can I just create a new arbitrary vlan and make it the native vlan for the trunk ports on either end?

1. What is the significance of the LACP Neighbor  "Dev ID"  ?  It looks like it is a combination of  priority.macaddress.I am seeing some inconsistencies in the output of some show commands on a Cisco CBS3110G (Cisco-IBM Blade switch) runnning IOS ve...

jraney by Level 1
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Hi !A Network Lab (governmental) did not let our cisco 2960s switches to be imported to the country and said "according to my lab tests, the maximum mac that your switch can learn is about 500 but as cisco says it should be about 8000"they did not gi...

Hi all,I'm going to install an SNMP server(NAGIOS) in the next days.The network that I administrer it's a small/medium network.I'm not sure if it's a good idea to configure SNMPv2 with communitys with Read Write privilege in the switches.Maybe it's n...

Please help me with the procedure for Soft SUP Failover testing:sw1#show redundancyRedundant System Information :------------------------------ Available system uptime = 7 weeks, 3 days, 13 hours, 20 minutesSwitchovers system experienced = 4 Standby ...