SignaMax 065-7434, Configuration Manual

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Switch-B(config-ospf)#
area 1 filter-list access test
out
Apply the access list name test
to the filtering at the out
direction of area 1
Switch-B(config-ospf)#exit
Switch-B(config)#interface loopback44
Switch-B(config-if-loopback44)# ip address 44.44.44.44
255.255.255.255 Configure the interface
address.
Switch-B(config-if-loopback44)#exit
Switch-B(config)#interface loopback45
Switch-B(config-if-loopback45)# ip address 44.44.44.45
255.255.255.255 Configure the interface
address.
Switch-B(config-if-loopback45)#exit
Switch-B(config)#interface loopback46
Switch-B(config-if-loopback46)# ip address 44.44.44.46
255.255.255.255 Configure the interface
address.
Switch-B(config-if-loopback46)#exit
After the configuration, area 1 does not notify the route 44.44.44.44/32
out; area 0 can learn only the route between 44.44.44.45/32 and
44.44.44.46/32. This is the filtering at the out direction. The filtering at
the in direction, that is, filter the routes notified from other areas, for
example, configure the filtering in area 0 at the in direction, is configured
on the area edge router.
Switch-B configuration:
Command Description
Switch-B(config)#ip access-list standard Signamax Configure one test standard
access list
Switch-B(config-std-nacl)# deny host 44.44.44.45 Configure the deny address
Switch-B(config-std-nacl)# permit any Configure permit address
Switch-B(config-std-nacl)#exit
Switch-B(config)#
router ospf 1
Enter the OSPF configuration
mode
Switch-B(config-ospf)#
area 0 filter-list access
Signamax in
Apply the access list name
Signamax to the filtering at the
in direction of area 0
Switch-B(config-ospf)#exit
After the configuration, area 0 cannot learn the route 44.44.44.45/32 of
area 1 and can only learn the route 44.44.44.46/32 of area 1.