Date: Fri, 5 Oct 2018 20:16:32 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: Patrick Lamaiziere <patfbsd@davenulle.org>, freebsd-ports@freebsd.org Cc: freebsd-net@freebsd.org Subject: Re: [freebsd 11.2] net-snmpd incomplete mac addresses Message-ID: <cff12252-6861-4c7f-27c3-0b8a8154cf11@grosbein.net> In-Reply-To: <20181005133302.5f518dc6@mr185033.univ-rennes1.fr> References: <20181005133302.5f518dc6@mr185033.univ-rennes1.fr>
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05.10.2018 18:33, Patrick Lamaiziere wrote: > Hello, > > freebsd 11.2/amd64 release > net-snmp-5.7.3_18 > > net-snmpd returns incomplete MAC addresses in IF-MIB::ifPhysAddress, > the first octet is always "0". > > $ snmpwalk -v 2c -c "xxx" localhost 1.3.6.1.2.1.2.2.1.6 > IF-MIB::ifPhysAddress.1 = STRING: 0:36:9f:93:7d:f8 > IF-MIB::ifPhysAddress.2 = STRING: 0:36:9f:93:7d:fa > IF-MIB::ifPhysAddress.3 = STRING: 0:f4:bb:ef:c8:e4 > ... > > $ ifconfig | grep ether > ether a0:36:9f:93:7d:f8 > ether a0:36:9f:93:7d:fa > ether ec:f4:bb:ef:c8:e4 > > tcpdump confirms that the problem is in net-snmpd (and not the client). > > Also when using the MIB IP-MIB::ipNetToMediaPhysAddress the MAC > addresses are correct. > > $ snmpwalk -v2c -c '***r***' localhost IP-MIB::ipNetToMediaPhysAddress | grep a0:36:9f:93:7d:f8 > IP-MIB::ipNetToMediaPhysAddress.13.10.10.1.118 = STRING: a0:36:9f:93:7d:f8 > > I've checked net-snmpd 5.7.3 under linux and the mac addresses are > correct. (So it's specific to FreeBSD.) > > Any clue ? We have bsnmpd in the base system. Does it exhibit same problem?
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