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Configuring OSPF
134 Enterasys Xpedition User Reference Manual
interface is represented by the highest bandwidth port that is part of the associated
VLAN. The cost of an OSPF interface is inversely proportional to this bandwidth. The cost
is calculated using the following formula:
Cost = 2000000000 / speed (in bps)
The following is a table of the port types and the OSPF default cost associated with each
type:
Table 8. OSPF Default Cost Per Port Type
To configure OSPF interface parameters, enter one of the following commands in
Configure mode:
Port Media Type Speed OSPF Default Cost
Ethernet 1000 1000 Mbps 2
Ethernet 10/100 100 Mbps 20
Ethernet 10/100 10 Mbps 200
WAN (T1) 1.5 Mbps 1333
WAN (T3) 45 Mbps 44
Enable OSPF state on interface.
ospf set interface <name-or-IPaddr>|all state
disable|enable
Specify the cost of sending a packet
on an OSPF interface.
ospf set interface <name-or-IPaddr>|all cost
<num>
Specify the priority for determining
the designated router on an OSPF
interface.
ospf set interface <name-or-IPaddr>|all priority
<num>
Specify the interval between OSPF
hello packets on an OSPF interface.
ospf set interface <name-or-IPaddr>|all hello-
interval
<num>
Configure the retransmission interval
between link state advertisements for
adjacencies belonging to an OSPF
interface.
ospf set interface <name-or-IPaddr>|all retransmit-
interval
<num>
Specify the number of seconds
required to transmit a link state
update on an OSPF interface.
ospf set interface <name-or-IPaddr>|all transit-
delay
<num>
Specify the time a neighbor router
will listen for OSPF hello packets
before declaring the router down.
ospf set interface <name-or-IPaddr>|all router-
dead-interval
<num>
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