ONTAP advertises e0M port's MAC address as the port's Chassis ID during LLDP Multicast

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Category:: ontap-9

Specialty:: NAS

Last Updated:

Applies to

ONTAP 9
LLDP Multicast

Issue

ONTAP advertises e0M port's MAC address as the port's Chassis ID for non-CNA ports during LLDP Multicast for Non-CNA ports.

For Non-CNA ports

On switch end :

# show lldp neighbors

Neighbor Neighbor Neighbor

Port Chassis ID Port ID TTL Age System Name

===============================================================================

10 D0:39:EA:XX:YY:ZZ e0e 121 5 node3a

11 D0:39:EA:XX:YY:ZZ e0f 121 5 node3a

::> node run -node node3a ifconfig e0M

e0M: flags=8843<up,broadcast,running,simplex,multicast> metric 0 mtu 1500

options=6c03bb<rxcsum,txcsum,vlan_mtu,vlan_hwtagging,jumbo_mtu,vlan_hwcsum,tso4,tso6,vlan_hwtso,linkstate,rxcsum_ipv6,txcsum_ipv6>

ether D0:39:EA:XX:YY:ZZ

hwaddr D0:39:EA:XX:YY:ZZ

inet xx.yy.61.zz netmask 0xffffff00 broadcast xx.yy.61.255 Services: 0x00030408 Vserver ID: -1

media: Ethernet autoselect (1000baseT

)

NOTE : e0e and e0f are non-CNA ports part of 10G/25G Ethernet Controller CX5-Mezz

ONTAP advertises the respective port's MAC address as the port's Chassis ID for CNA ports during LLDP Multicast for CNA ports.

For CNA ports

On switch end :

# show lldp neighbors Neighbor Neighbor Neighbor Port Chassis ID Port ID TTL Age System Name =============================================================================== 1 00:A0:98:YY:XX:ZZ 00:A0:98:YY:XX:ZZ 120 22 Not-Advertised

::> node run -node node1a ifconfig e0e e0e: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=6407bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6> ether 00:A0:98:YY:XX:ZZ hwaddr 00:A0:98:YY:XX:ZZ media: Ethernet autoselect (10Gbase-SR <full-duplex>)

NOTE : e0e is a CNA port part of 1G/10G Ethernet Controller CNA EP 8324