| При включенной  option82 и dchp relay c  такими параметрами# DHCP_RELAY
 enable dhcp_relay
 config dhcp_relay hops 4
 config dhcp_relay time 0
 config dhcp_relay port 1-28 state disable
 config dhcp_relay port 2-24 state enable
 config dhcp_relay vlan vlanid 1,50 state disable
 config dhcp_relay vlan vlanid 49 state enable
 config dhcp_relay add ipif System 10.80.80.253
 config dhcp_relay option_82 state enable
 config dhcp_relay option_82 check disable
 config dhcp_relay option_82 policy keep
 config dhcp_relay option_82 remote_id default
 config dhcp_relay option_82 circuit_id default
 disable dhcp_local_relay
 disable dhcpv6_relay
 config dhcpv6_relay hop_count 4
 config dhcpv6_relay option_37 state enable
 config dhcpv6_relay option_37 check enable
 config dhcpv6_relay option_37 remote_id default
 config dhcpv6_relay option_38 ports 1-28 state disable subscriber_id default
 
 Smart binding  c  arp inspection в  режиме strict  не работает  с любыми извращениями.
 # IMPBv2
 disable address_binding dhcp_snoop ports 1,25-28 all
 config address_binding ip_mac ports 1,25-28 arp_inspection disable nd_inspection disable ip_inspection disable protocol all state disable allow_zeroip disable forward_dhcppkt enable
 config address_binding ip_mac ports 2-24 arp_inspection strict nd_inspection disable ip_inspection enable protocol all state enable allow_zeroip enable forward_dhcppkt enable
 config address_binding dhcp_snoop max_entry ports 1-28 limit no_limit
 config address_binding dhcp_snoop max_entry ports 1-28 limit no_limit IPv6
 enable address_binding dhcp_snoop ports 2-24 all
 enable address_binding roaming
 config address_binding vlan_checking state disable
 config address_binding ip_mac log all
 disable address_binding dhcp_pd_snoop
 disable address_binding trap_log
 config filter dhcp_server ports 1-28 state disable
 config filter dhcp_server vlanid 1-4094 state disable
 config filter dhcp_server illegal_server_log_suppress_duration 5min
 config filter dhcp_server log state enable
 config filter dhcpv6_server ports 1-28 state disable
 config filter dhcpv6_server log state enable
 config filter icmpv6_ra_all_node ports 1-28 state disable
 config filter icmpv6_ra_all_node log state enable
 
 
 
 Все исправляется если конфиг привести к виду
 # port
 config ports 1-24 speed auto state enable flow_control disable mdix auto learning enable description ""
 config ports 25-26 medium_type copper speed auto state enable flow_control disable mdix auto learning enable description ""
 config ports 25-26 medium_type fiber speed auto state enable flow_control disable learning enable description ""
 config ports 27-28 speed auto state enable flow_control disable learning enable description ""
 config ports 1-24 capability_advertised 10_half 10_full 100_half 100_full
 config ports 25-28 capability_advertised 10_half 10_full 100_half 100_full 1000_full
 
 # port security
 config port_security 1-28 admin_state disable max_learning_addr 32 lock_address_mode DeleteOnTimeout
 
 
 PORT SECURITY должен быть ниже  #PORT   в конфигурационном файле.
 
 
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