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Add documentation note about SNMPv3 configuration on Cisco IOS (#288)

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* Add note about SNMPv3 context config on IOS

* Update changelog for snmpv3 doc note
This commit is contained in:
Oliver Gorwits
2017-01-06 14:06:11 +00:00
committed by GitHub
parent f031446a6f
commit bf3ffc460b
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Netdisco/Changes
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@@ -1,3 +1,9 @@
2.034002 - 2017-
[ENHANCEMENTS]
* Add documentation note about SNMPv3 configuration on Cisco IOS
2.034001 - 2016-11-20
[NEW FEATURES]

26
Netdisco/lib/App/Netdisco/Manual/Vendors.pod
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@@ -18,6 +18,32 @@ Add this to your 37xx config:
no snmp-server sysobjectid type stack-oid
=head1 SNMPv3 Support on Cisco IOS
To access per-VLAN MAC address tables we use SNMPv3 contexts. In Cisco IOS
the access control is per-context so for each context (VLAN) you need to permit
access from the poller.
You should already have something like the following to enable SNMPv3 from Netdisco at 192.0.2.1:
snmp-server view myv3view iso included
snmp-server group myv3group v3 priv read myv3view
snmp-server user myv3user myv3group v3 auth md5 PASSWORD priv des PASSWORD
snmp-server host 192.0.2.1 version 3 auth myv3user
Then set the authorization:
snmp-server group myv3group v3 auth
snmp-server group myv3group v3 auth context vlan- match prefix
If the second command above is rejected, you have an older version of IOS and must
enter a statement for each active VLAN on the device:
snmp-server group myv3group v3 priv context vlan-1
snmp-server group myv3group v3 priv context vlan-2
snmp-server group myv3group v3 priv context vlan-3
... etc
=head1 Linux SNMP Service (Agent)
Install the C<snmpd> (SNMP agent) and C<lldpd> (neighbor discovery) packages.