Centreon install - invalid user error message

[Centreon] Invalid user error, when first time login

Tweet Thru last week, I had installed and tested a network management system is called "Centreon". Honestly, it was a bit complicated than I thought….

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How BGP synchronization command work?

Tweet A BGP router with synchronization enabled will not advertise iBGP-learned routes to other eBGP peers if it is not able to validate those routes…

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[Tasman]L2 VLAN management sample configuration

Tweet Attention Tasman Networks is now Nortel Networks, so below sample configuration and commends might be slightly different. Please be aware of this. Good luck!…

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How to setup NTP on Cisco router with summer-time zone

Tweet Accurate clock record is very information when you are troubling an issue. In these days, many NTP servers are availabe to use as free….

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How to configure Overture 5100 carrier Ethernet switch

This is brief guide how to configure Overture 5100 carrier Ethernet switch. It supports VLAN and IP layer configuration.  To see saved configuration Overture_ISG5100# config…

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How to check crash information on Cisco 12000 Router

Tweet Here is handy commands to find crash information on Cisco 12000 router. The below commands will show the following information: Crashing, Stack trace, Software…

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Basic CLI commands for Overture ISG 5100

Tweet These days, I am more involving WAN Ethernet service product which is a bit complicated to troubleshoot. Simply, tons of vendors and gears in…

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MLFR boundle serivce configuration for Tasman1004 router

Tweet 2 x T1 MLFR boundle serivce configuration for Tasman 1004 router terminal   exit terminal qos   exit qos module  t1 1       clock_source…

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How to find OIDs from device for SNMP monitoring

Tweet Since I introduced a tiny bandwidth monitoring tool a while ago, people ask me how to find OID (Object Identifiers) that is uniquely identify…

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How to install SSL explorer on SuSE linux

Tweet Here is a brief guide about "How to install SSLexplorer on SUSE Linux". Once you download a package of SSLexplorer or digging websites, you…

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How to solve unknown devices discovered?

Tweet Why so many unknowns showing up? I checked one computer it said was an unknown and it didn’t have a firewall turned on. Help?…

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Tasman router configuration for Multilink Frame Relay

Tweet Attention Tasman Networks is now Nortel Networks, so below sample configuration and commends might be slightly different. Please be aware of this. Good luck!…

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