L3 LACP partner MAC address query

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In this operational setup, could anyone explain where partner MAC address: aa:bb:cc:80:03:00 originates from and its purpose?

Thanks.

FTG_1_primary # show system interface

edit "etherLAG01" set vdom "root" set type aggregate set member "port3" "port4" set description "To_L3_SW3" set device-identification enable set lldp-transmission enable set snmp-index 12 next edit "VLAN5" set vdom "root" set ip 192.168.5.254 255.255.255.0 set allowaccess ping https ssh set device-identification enable set role lan set snmp-index 13 set interface "etherLAG01" set vlanid 5 next edit "LAN013" set vdom "root" set ip 192.168.6.254 255.255.255.0 set allowaccess ping https ssh set device-identification enable set role lan set snmp-index 14 set interface "etherLAG01" set vlanid 6 next end

FTG_1_primary # diag ip arp list index=22 ifname=LAN013 192.168.6.1 aa:bb:cc:00:06:00 state=00000004 use=4461 confirm=4461 update=2401 ref=1 index=21 ifname=VLAN5 192.168.5.1 aa:bb:cc:00:05:00 state=00000004 use=5696 confirm=5696 update=1587 ref=1 index=11 ifname=port9 169.254.0.2 50:00:00:02:00:08 state=00000080 use=8970113 confirm=8947665 update=8947665 ref=0

FTG_1_primary # diagnose netlink aggregate name etherLAG01 LACP flags: (A|P)(S|F)(A|I)(I|O)(E|D)(E|D) (A|P) - LACP mode is Active or Passive (S|F) - LACP speed is Slow or Fast (A|I) - Aggregatable or Individual (I|O) - Port In sync or Out of sync (E|D) - Frame collection is Enabled or Disabled (E|D) - Frame distribution is Enabled or Disabled

status: up npu: n flush: n asic helper: y ports: 2 link-up-delay: 50ms min-links: 1 ha: master distribution algorithm: L4 LACP mode: active LACP speed: slow LACP HA: enable aggregator ID: 1 actor key: 33 actor MAC address: 50:00:00:01:00:02 partner key: 1 partner MAC address: aa:bb:cc:80:03:00

slave: port3 index: 0 link status: up link failure count: 0 permanent MAC addr: 50:00:00:01:00:02 LACP state: established actor state: ASAIEE actor port number/key/priority: 1 33 255 partner state: ASAIEE partner port number/key/priority: 1 1 32768 partner system: 0 aa:bb:cc:80:03:00 aggregator ID: 1 speed/duplex: 10000 1 RX state: CURRENT 6 MUX state: COLLECTING_DISTRIBUTING 4

slave: port4 index: 1 link status: up link failure count: 0 permanent MAC addr: 50:00:00:01:00:03 LACP state: established actor state: ASAIEE actor port number/key/priority: 2 33 255 partner state: ASAIEE partner port number/key/priority: 2 1 32768 partner system: 0 aa:bb:cc:80:03:00 aggregator ID: 1 speed/duplex: 10000 1 RX state: CURRENT 6 MUX state: COLLECTING_DISTRIBUTING 4

FTG_1_primary #

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L3_SW#show mac address-table Mac Address Table -------------------------------------------

Vlan Mac Address Type Ports ---- ----------- -------- ----- 5 0009.0f09.0002 DYNAMIC Po1 5 aabb.cc00.0500 DYNAMIC Et1/0 6 0009.0f09.0002 DYNAMIC Po1 6 aabb.cc00.0600 DYNAMIC Et1/1 Total Mac Addresses for this criterion: 4

L3_SW#show int | i aabb.cc Hardware is Ethernet, address is aabb.cc00.0300 (bia aabb.cc00.0300) Hardware is Ethernet, address is aabb.cc00.0310 (bia aabb.cc00.0310) Hardware is Ethernet, address is aabb.cc00.0320 (bia aabb.cc00.0320) Hardware is Ethernet, address is aabb.cc00.0330 (bia aabb.cc00.0330) Hardware is Ethernet, address is aabb.cc00.0301 (bia aabb.cc00.0301) Hardware is Ethernet, address is aabb.cc00.0311 (bia aabb.cc00.0311) Hardware is Ethernet, address is aabb.cc00.0321 (bia aabb.cc00.0321) Hardware is Ethernet, address is aabb.cc00.0331 (bia aabb.cc00.0331) Hardware is EtherChannel, address is aabb.cc00.0310 (bia aabb.cc00.0310)

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R_VLAN_5#show arp Protocol Address Age (min) Hardware Addr Type Interface Internet 192.168.5.1 - aabb.cc00.0500 ARPA Ethernet0/0 Internet 192.168.5.254 21 0009.0f09.0002 ARPA Ethernet0/0

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R_VLAN_6#show arp Protocol Address Age (min) Hardware Addr Type Interface Internet 192.168.6.1 - aabb.cc00.0600 ARPA Ethernet0/0 Internet 192.168.6.254 1 0009.0f09.0002 ARPA Ethernet0/0

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