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Add method to show err-disable cause on Cisco (#248)

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Method i_err_disable_cause implemented on CiscoPortSecurity.pm. Returns
sparse data: ifIndex -> textual err-disable cause, for interfaces that
are err-disabled.
This commit is contained in:
Oliver Gorwits
2018-02-17 11:47:56 +00:00
committed by GitHub
parent 0f00322e03
commit 397b14da22
2 changed files with 57 additions and 3 deletions
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6
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@@ -1,3 +1,9 @@
version 3.46 ()
[ENHANCEMENTS]
* Add method to get err-disable cause for interfaces on Cisco
version 3.45 (2018-02-14)
[ENHANCEMENTS]

54
lib/SNMP/Info/CiscoPortSecurity.pm
View File

@@ -44,6 +44,7 @@ $VERSION = '3.45';
'CISCO-PORT-SECURITY-MIB' => 'ciscoPortSecurityMIB',
'CISCO-PAE-MIB' => 'ciscoPaeMIB',
'IEEE8021-PAE-MIB' => 'dot1xAuthLastEapolFrameSource',
'CISCO-ERR-DISABLE-MIB' => 'ciscoErrDisableMIB',
);
%GLOBALS = (
@@ -99,6 +100,9 @@ $VERSION = '3.45';
# IEEE8021-PAE-MIB::dot1xPaePortEntry
'pae_i_capabilities' => 'dot1xPaePortCapabilities',
'pae_i_last_eapol_frame_source' => 'dot1xAuthLastEapolFrameSource',
# CISCO-ERR-DISABLE-MIB::cErrDisableIfStatusEntry
'cerr_i_cause' => 'cErrDisableIfStatusCause',
);
%MUNGE = (
@@ -123,13 +127,29 @@ sub munge_pae_capabilities {
return join( ' ', @vals );
}
# Define a generic method to show the cause for a port to be err-disabled.
# Cisco indexes cErrDisableIfStatusCause by {ifindex,vlan}, but for a more
# generic method, using ifIndex only makes it easier to implement across
# device classes. Besides, several (most?) err-disable features will disable
# the whole interface anyway, and not just a vlan on the interface.
sub i_err_disable_cause {
my $cps = shift;
my $ret;
my $causes = $cps->cerr_i_cause() || {};
foreach my $interfacevlan (keys %$causes) {
my ($iid, $vid) = split(/\./, $interfacevlan);
$ret->{$iid} = $causes->{$interfacevlan};
}
return $ret;
}
1;
__END__
=head1 NAME
SNMP::Info::CiscoPortSecurity - SNMP Interface to data from
F<CISCO-PORT-SECURITY-MIB> and F<CISCO-PAE-MIB>
F<CISCO-PORT-SECURITY-MIB>, F<CISCO-PAE-MIB> and F<CISCO-ERR-DISABLE-MIB>.
=head1 AUTHOR
@@ -153,8 +173,9 @@ Eric Miller
=head1 DESCRIPTION
SNMP::Info::CiscoPortSecurity is a subclass of SNMP::Info that provides
an interface to the F<CISCO-PORT-SECURITY-MIB> and F<CISCO-PAE-MIB>. These
MIBs are used across the Catalyst family under CatOS and IOS.
an interface to the F<CISCO-PORT-SECURITY-MIB>, F<CISCO-PAE-MIB> and
F<CISCO-ERR-DISABLE-MIB>. These MIBs are used across the Catalyst
family under CatOS and IOS.
Use or create in a subclass of SNMP::Info. Do not use directly.
@@ -172,6 +193,8 @@ None.
=item F<IEEE8021-PAE-MIB>
=item F<CISCO-ERR-DISABLE-MIB>
=back
=head1 GLOBALS
@@ -374,6 +397,31 @@ The source MAC address carried in the most recently received EAPOL frame.
=back
=head2 C<CISCO-ERR-DISABLE-MIB::cErrDisableIfStatusEntry>
=over
=item $cps->cerr_i_cause()
C<cErrDisableIfStatusCause>
Indicates the feature/event that caused the {interface, vlan} (or the entire
interface) to be error-disabled.
=back
=head1 METHODS
=over
=item C<i_err_disable_cause>
Returns a HASH reference mapping ifIndex to err-disabled cause. The returned
data is sparse, so if the ifIndex is not present in the return value, the port
is not err-disabled.
=back
=head1 Data Munging Callback Subroutines
=over