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RANCID configuration file in-depth

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/etc/rancid/rancid.conf

In this article you can find description of parameters in rancid.conf. By changing parameters in this file you can impact the way RANCID will behave, collect and process collected information. You can also define type of version control repository and email notifications as well as many other option.

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How-to : RANCID installation on openSUSE 11.4 “Celadon”

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RANCID is a great automation tool which allows you to collect configuration from network devices and store in repository with version control (CVS or SVN). In this article I will show you how to install RANCID and prepare to work on openSUSE 11.4 with subversion as repository for configs.

Having repository with network devices configuration might be also part of disaster recovery planning as in case of failure it will be easy to pull recent configuration from repository and apply on replacement router or switch.

To demonstrate commands I’m using copy&paste from PuTTY while executing step-by-step what is described in this article.

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How-to : Nagios installation on openSUSE 11.4 “Celadon”

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Quick installation how-to for Nagios on openSUSE 11.4 “Celadon” platform. Same procedure applies to other versions of opeSUSE platform. I’m using version 11.4 for my LAB purposes.

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How-to : Windows Server 2008 R2 : Installing ADLDS

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ADAM (Active Directory Application Mode) was predeccesor of ADLDS and Microsoft distributed it as additional download. Now in Windows Server 2008 R2 ADLDS (Active Directory Lightweight Directory Services) are built0in server role. ADLDS offers LDAP-based directory service which can be utilized by application LDAP-enabled. In addition to that ADLDS works as Windows-service and is non-operating-system service which allows multiple instances of ADLDS on same machine.

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Config snippets : Cisco : Configuring SNMPv3

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Create Read Only SNMPv3 user – IOS

snmp-server group viewers v3 auth
snmp-server user snmpView viewers v3 auth md5 uHNKmuLP0lXOp8ODFkmJ
snmp-server group viewers v3 auth read viewConfig
snmp-server view viewConfig system included
snmp-server view viewConfig internet included
snmp-server view viewConfig mib-2 included
snmp-server view viewConfig cisco included
snmp-server view viewConfig ciscoConfig included
snmp-server view viewConfig ciscoImageMIB included
snmp-server view viewConfig snmpMIB included

Create Read Write SNMPv3 user – IOS

snmp-server group writers v3 auth
snmp-server user snmpWrite writers v3 auth md5 jB7HCiNBoGsk5qgfasHQ
snmp-server group writers v3 auth write writeConfig
snmp-server view writeConfig system included
snmp-server view writeConfig internet included
snmp-server view writeConfig mib-2 included
snmp-server view writeConfig cisco included
snmp-server view writeConfig ciscoConfig included
snmp-server view writeConfig ciscoImageMIB included
snmp-server view writeConfig snmpMIB included

Create Read Only SNMPv3 user – ASA

snmp-server group viewers v3 auth
snmp-server user snmpView viewers v3 auth md5 uHNKmuLP0lXOp8ODFkmJ
snmp-server host inside 0.0.0.0 version 3 snmpView

NOTE: Please keep in mind that certain ACLs might require modification in order to allow SNMP protocol access.

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