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@@ -581,7 +581,7 @@ Value: Dictionary of Access Control Lists. Default: None.
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Several configuration settings in Netdisco make use of L</"ACCESS CONTROL
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LISTS"> to identify lists of devices or hosts. Examples are the C<*_no>
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settings such as C<discover_no>, the C<*_only> settings such as C<macsuck_no>,
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and some "C<only>" settings which appear in C<snmp_auth> and C<dns>
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and some "C<only>" settings which appear in C<device_auth> and C<dns>
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configuration.
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The C<host_groups> setting allows for naming of groups which are then
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@@ -711,7 +711,7 @@ Each is tried in turn when polling the device, and then the working community
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string will be cached in the database.
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For fine-grained control over which communities are tried for which devices,
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or to set SNMPv3 authentication, see C<snmp_auth>, below.
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or to set SNMPv3 authentication, see C<device_auth>, below.
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=head3 C<community_rw>
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@@ -725,13 +725,13 @@ is tried in turn when writing to the device, and then the working community
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string will be cached in the database.
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For fine-grained control over which communities are tried for which devices,
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or to set SNMPv3 authentication, see C<snmp_auth>, below.
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or to set SNMPv3 authentication, see C<device_auth>, below.
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=head3 C<snmp_auth>
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=head3 C<device_auth>
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Value: List of Settings Trees. Default: Empty List.
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This setting configures authenticaiton for all SNMP versions, and provides an
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This setting configures authenticaiton for all polling, and provides an
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alternative fine-grained control for SNMPv1 and SNMPv2 community strings. You
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provide a list of authentication "I<stanza>", and Netdisco will try each in
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turn, then cache the one which works for a device.
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@@ -741,7 +741,7 @@ limited to read (get) and/or write (set) operations. By default, a stanza is
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enabled for all device IPs, for read access only. The "tag" of a stanza is
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simply a friendly name used by Netdisco when referring to the configuration.
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snmp_auth:
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device_auth:
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- community: public
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- community: publictwo
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- community: mycommunity
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@@ -757,26 +757,23 @@ simply a friendly name used by Netdisco when referring to the configuration.
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priv:
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pass: netdiscokey2
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proto: DES
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- tag: v3aclexample
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user: netdisco2
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- tag: aclexample
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community: s3kr1t
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read: false
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write: true
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only:
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- 192.0.2.0/30
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- 172.20.10.0/24
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no: '172.20.10.1'
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- tag: v2aclexample
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community: s3kr1t
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read: false
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write: true
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only: '2001:db8::/32'
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For SNMPv1 and SNMPv2, only the C<community> key is required. Unlike the
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global C<community>/C<community_rw> setting, this is not a list but a single
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item. That is, to configure multiple community strings, have one stanza per
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item. Therefore, to configure multiple community strings, have one stanza per
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community, as in the examples above and below.
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For any version of SNMP you can add C<read> and/or C<write> booleans to
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control operations for that stanza, and IP restrictions using C<only> and
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C<no> (see L</"ACCESS CONTROL LISTS"> for what you can use here).
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For any sanza you can add C<read> and/or C<write> booleans to control whether
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it is used for get and/or set operations, and IP restrictions using C<only>
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and C<no> (see L</"ACCESS CONTROL LISTS"> for what you can use here).
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For SNMPv3 the C<tag> and C<user> keys are required. Providing an C<auth>
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section enables the authentication security level, providing a C<priv> section
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@@ -794,6 +791,26 @@ this you usually configure a common context "prefix", with Netdisco's default
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being "C<vlan->" (i.e. C<vlan-1>, C<vlan-2>, etc). Add the C<context_prefix>
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key to a stanza to override this default.
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For other authentication mechanisms (HTTP, SSH, etc), C<tag> is also required.
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Each transport will have different settings, but usually a C<username> and
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C<password> are required, and optionally some other settings. See the
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transport or driver documentation pages for further details. For example:
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device_auth:
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- tag: ye_olde_snmp
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community: public
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- tag: sshcollector
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only: 'group:sshcollectordevices'
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driver: cli
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method: arpnip_nodes
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username: foo
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password: bar
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- tag: netconf_devices
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only: 'vendor:juniper'
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driver: netconf
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username: oliver
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password: letmein
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Netdisco caches both the successful SNMPv2 read and write community strings,
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as well as the C<tag> names if available. This allows for faster operations
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once a connection has previously been made to a device. Tags are recommended.
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@@ -806,7 +823,7 @@ Finally, a reminder that multiple SNMPv2 community strings need to be in
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separate named stanza, as below. However for simple v2 configurations you can
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revert to the "C<community>" setting, instead:
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snmp_auth:
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device_auth:
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- tag: 'default_v2_readonly1'
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community: 'read1'
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- tag: 'default_v2_readonly2'
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@@ -822,7 +839,7 @@ Value: String. Default none.
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An external program to run to get the community string for a given device.
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This is useful if, for example, you have you devices already configured in
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another NMS and you want to use that information instead of configuring
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C<snmp_auth>.
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C<device_auth>.
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The strings "C<%IP%>" and "C<%HOST%>" are replaced by the IP address and the
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hostname (or IP address if no hostname is known) of the system being
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@@ -836,7 +853,7 @@ The command must return output in the following form:
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setCommunity=<comma-separated list of write-communities>
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If the community string is not known for the given system, the command should
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return no output and the community strings configured in C<snmp_auth>,
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return no output and the community strings configured in C<device_auth>,
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C<community>, and C<community_rw> will be used instead.
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=head3 C<bulkwalk_off>
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