Dell Networking | eSONiC | MAC MOVE identificeren in SONiC

sonic# show version
Software Version  : 4.2.0-Enterprise_Base

Product: Enterprise SONiC Distribution van Dell Technologies
Distribution: Debian 10.13
Kernel : 5.10.0-21-amd64
Config DB Version : version_4_2_1
Build Commit : b3aea3ecc9
Build Date : Wed Nov 29 17:27:27 UTC 2023
Gebouwd door: sonicbld@bld-lvn-csg-06
Platform : x86_64-kvm_x86_64-r0
HwSKU : DellEMC-S5248f-P-25G-DPB
ASIC : vs
serienummer :Uptime :
15:53:08 up 6:06, 1 gebruiker, load average: 1,63, 1,59, 1,60
.... Weglaten....

Uit de uitvoer van show logging kunnen we de MAC MOVE zien gebeuren tussen eth1/1 en e1/2 (hun native poortnummer is ethernet0 en ethernet1), hier printen we de laatste 100 regels van show logging en filteren we de MAC-MOVE-gebeurtenis.
 

sonic# show logging lines 100 | grep MAC-MOVE

Jan 18 15:54:56.602793+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE gedetecteerd van 2 naar 1
Jan 18 15:54:57.626983+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE gedetecteerd van 1 naar 2
Jan 18 15:54:58.659108+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:54:59.683273+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:00.706108+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:01.722900+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:02.745811+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:03.769154+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:04.790779+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:05.814304+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:06.837769+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:07.851476+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:08.875015+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:09.893013+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:10.913037+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:11.937786+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:12.962441+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:13.990055+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 1 to 2
Jan 18 15:55:15.005593+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Detected from 2 to 1
Jan 18 15:55:16.022276+00:00 2024 sonic NOTICE syncd#syncd: :- process_packet_for_fdb_event: MAC-MOVE Gedetecteerd van 1 tot 2
.... Weglaten....

sonic#
sonic# show lldp table

------------------------------------------------------------------------------------------------------
LocalPort RemoteDevice RemotePortID Capability RemotePortDescr
-------------------------------------------------------------------------------------------------------
Eth1/1 almalinux 0c:7b:7a:93:00:00 eth0 eth1/2 almalinux 0c:7b:7a:93:00
:01 eth1

sonic#
sonic# show mac address-table interface e1/1

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:00 DYNAMIC Eth1/1 1 DE:11:DE:11:DE:11 DYNAMIC Eth1/1

sonic#
sonic# show mac address-table interface e1/1

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:00 DYNAMIC Eth1/1 1 DE:11:DE:11:DE:11 DYNAMIC Eth1/1

sonic# show mac address-table interface e1/1

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:00 DYNAMIC Eth1/1

sonic# show mac address-table interface e1/1

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:00 DYNAMIC Eth1/1

sonic# show mac address-table interface e1/1

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:00 DYNAMIC Eth1/1 1 DE:11:DE:11:DE:11 DYNAMIC Eth1/1

 

sonic# show mac address-table interface e1/2

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:01 DYNAMIC Eth1/2 1 DE:11:DE:11:DE:11 DYNAMIC Eth1/2

sonic# show mac address-table interface e1/2

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:01 DYNAMIC Eth1/2

sonic# show mac address-table interface e1/2

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 0C:7B:7A:93:00:01 DYNAMIC Eth1/2 1 DE:11:DE:11:DE:11 DYNAMIC Eth1/2

sonic#

We move to linux shell to run 'sudo ip monitor neigh' command
 

sonic# exit
admin@sonic:~$ sudo ip monitor neigh

dev Ethernet1 lladdr de:11:de:11:de:11 REACHABLE dev Ethernet0 lladdr de:11:de:11:de:11 REACHABLE dev Ethernet1 lladdr de:11:de:11:de:11 REACHABLE dev Ethernet0 lladdr de:11:de:11:de:11 REACHABLE dev Ethernet1 lladdr de:11:de:11:de:11 REACHABLE




dev Ethernet0 lladdr de:11:de:11: de:11 REACHABLE
dev Ethernet1 lladdr de:11:de:11:de:11 REACHABLE
^C

admin@sonic:~$ sonic-cli
sonic# show mac address-table address DE:11:DE:11:DE:11

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 DE:11:DE:11:DE:11 DYNAMIC Eth1/2

sonic# show mac address-table address DE:11:DE:11:DE:11

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 DE:11:DE:11:DE:11 DYNAMIC eth1/1

sonic# show mac address-table address DE:11:DE:11:DE:11

-----------------------------------------------------------
VLAN MAC-ADDRESS TYPE INTERFACE

-----------------------------------------------------------1 DE:11:DE:11:DE:11 DYNAMIC Eth1/1
sonic#

Dat is alles, misschien zijn er veel mac-adres flappen in uw geval, gebruik bovenstaande methode om ze te achterhalen.