Arista Switch L2 Configuration Example

 L2 DCS-7060DX4-32
 !
 platform trident mmu queue profile PFC_Profile
  ingress threshold 1/16
 !
  # speed 400g-4 -----for 800G 2 Lines
  # speed 200g-2 ----> for 800G 4 lines
  # speed 100g-2 ----> for 400G
 interface EthernetXXXXXX
  speed 100g-2
  qos trust dscp
  priority-flow-control on
  priority-flow-control priority 0 no-drop
  priority-flow-control priority 1 no-drop
  priority-flow-control priority 2 no-drop
  priority-flow-control priority 3 no-drop
  !
  uc-tx-queue 2
    no priority
  !
  uc-tx-queue 3
    no priority

 L3 DCS-7060PX5-64E-F
 !
 platform trident mmu queue profile PFC_Profile
  ingress threshold 1
  ingress headroom 165100
!
!
  # speed 400g-4 -----for 800G 2 Lines
  # speed 200g-2 ----> for 800G 4 lines
  # speed 100g-2 ----> for 400G
 interface Ethernetxxxxx
  description no-alert x.x.x.x/30
  mtu 9198
  speed 200g-2
  error-correction encoding reed-solomon
  no switchport
  ip address x.x.x.x/30
  qos trust dscp
  priority-flow-control on
  priority-flow-control priority 0 no-drop
  priority-flow-control priority 1 no-drop
  priority-flow-control priority 2 no-drop
  priority-flow-control priority 3 no-drop
  !
  uc-tx-queue 2
    no priority
  !
  uc-tx-queue 3
    no priority
  !

 L3 DCS-7060DX4-32-F
 !
 platform trident mmu queue profile PFC_Profile
  ingress threshold 1
  ingress headroom 64000
 !
 !
  # speed 400g-4 -----for 800G 2 Lines
  # speed 200g-2 ----> for 800G 4 lines
  # speed 100g-2 ----> for 400G
 interface Ethernetxxxxx
 interface Ethernet2/5
  description no-alert x.x.x.x0/30
  mtu 9198
  speed 100g-2
  error-correction encoding reed-solomon
  no switchport
  ip address x.x.x.x/30
  ip access-group block-group-eng in
  qos trust dscp
  priority-flow-control on
  priority-flow-control priority 0 no-drop
  priority-flow-control priority 1 no-drop
  priority-flow-control priority 2 no-drop
  priority-flow-control priority 3 no-drop
  !
  uc-tx-queue 2
    no priority
  !
  uc-tx-queue 3
    no priority
  !