Skip to main content
NetApp Stage KB

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

Last Updated:


Applies to

  • ONTAP 9
  • LLDP Multicast


  • 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
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
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

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.