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SNMP Questions

April 27th, 2017 Go to comments

Note: If you are not sure about SNMP, please read our SNMP tutorial.

Question 1


The user-based access control implemented by SNMPv3 is based on contexts and user names, rather than on IP addresses and community strings. It is a partial implementation of the view-based access control model (VACM).

Question 2


The first step we need to do when configuring an SNMPv3 user is to configure the server group to enable authentication for members of a specified named access list via the “snmp-server group” command. For example:

Router(config)# snmp-server group MyGroup v3 auth access snmp_acl

In this example, the SNMP server group MyGroup is configured to enable user authentication for members of the named access list snmp_acl.

Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/snmp/configuration/xe-3se/3850/snmp-xe-3se-3850-book/nm-snmp-snmpv3.html

Question 3


Default values do not exist for authentication or privacy algorithms when you configure the SNMP commands. Also, no default passwords exist. The minimum length for a password is one character, although we recommend that you use at least eight characters for security. If you forget a password, you cannot recover it and must reconfigure the user. You can specify either a plain text password or a localized Message Digest 5 (MD5) digest.

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/snmp/configuration/xe-3se/3850/snmp-xe-3se-3850-book/nm-snmp-snmpv2c.pdf

Comments (3) Comments
  1. ASR
    April 9th, 2017

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    May 4th, 2017

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  3. Josef
    July 6th, 2017

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