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By default, no authentication mode is configured for an OSPF area.
Routers that reside in the same area must have the same authentication mode: non-authentication, simple,
or MD5.
Related commands: ospf authentication-mode.
Examples
# Configure OSPF area 0 to use the MD5 authentication mode.
<Sysname> system-view
[Sysname] ospf 100
[Sysname-ospf-100] area 0
[Sysname-ospf-100-area-0.0.0.0] authentication-mode md5
bandwidth-reference (OSPF view)
Syntax
bandwidth-reference value
undo bandwidth-reference
View
OSPF view
Default level
2: System level
Parameters
value: Bandwidth reference value for link cost calculation, in the range of 1 to 2147483648 Mbps.
Description
Use bandwidth-reference to specify a reference bandwidth value for link cost calculation.
Use undo bandwidth-reference to restore the default value.
The default value is 100 Mbps.
When links have no cost values configured, OSPF calculates their cost values using formula:
Cost=Reference bandwidth value / Link bandwidth. If the calculated cost is greater than 65535, the
value of 65535 is used.
Examples
# Specify the reference bandwidth value as 1000 Mbps.
<Sysname> system-view
[Sysname] ospf 100
[Sysname-ospf-100] bandwidth-reference 1000
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