OSPF работает с такой конфигурацией
interface EPON0/5:1
switchport port-security dynamic maximum 10
switchport port-security mode dynamic
epon onu port 1 ctc vlan mode trunk 1 3900
epon onu port 1 ctc loopback detect
epon onu port 1 loopback detect
epon onu private-mcst disable
Global multicast configuration:
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Globally enable : Disabled
IGMPv3 mode : Disabled
Multicast Compatible : Disabled
Multicast mode : IGMP Snooping