Configuring received ospf route filtering, Configuring type-3 lsa filtering – H3C Technologies H3C S12500-X Series Switches User Manual

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# Configure Switch D.

system-view

[SwitchD] router id 10.3.1.1

[SwitchD] ospf

[SwitchD-ospf-1] area 0

[SwitchD-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255

[SwitchD-ospf-1-area-0.0.0.0] network 10.3.1.0 0.0.0.255

[SwitchD-ospf-1-area-0.0.0.0] quit

# Configure Switch E.

system-view

[SwitchE] router id 10.4.1.1

[SwitchE] ospf

[SwitchE-ospf-1] area 0

[SwitchE-ospf-1-area-0.0.0.0] network 10.2.1.0 0.0.0.255

[SwitchE-ospf-1-area-0.0.0.0] network 10.4.1.0 0.0.0.255

[SwitchE-ospf-1-area-0.0.0.0] quit

[SwitchE-ospf-1] quit

Configure BGP to redistribute OSPF routes and direct routes:
# Configure Switch B.

[SwitchB] bgp 200

[SwitchB-bgp] peer 11.1.1.2 as 100

[SwitchB-bgp] address-family ipv4 unicast

[SwitchB-bgp-ipv4] import-route ospf

[SwitchB-bgp-ipv4] import-route direct

[SwitchB-bgp ipv4] quit

[SwitchB-bgp] quit

# Configure Switch C.

[SwitchC] bgp 100

[SwitchC-bgp] peer 11.1.1.1 as 200

[SwitchC-bgp] address-family ipv4 unicast

[SwitchC-bgp-ipv4] import-route ospf

[SwitchC-bgp-ipv4]import-route direct

[SwitchC-bgp-ipv4] quit

[SwitchC-bgp] quit

Configure Switch B and Switch C to redistribute BGP routes into OSPF:
# Configure OSPF to redistribute routes from BGP on Switch B.

[SwitchB] ospf

[SwitchB-ospf-1] import-route bgp

# Configure OSPF to redistribute routes from BGP on Switch C.

[SwitchC] ospf

[SwitchC-ospf-1] import-route bgp

# Display the OSPF routing table on Switch A.

[SwitchA] display ip routing-table

Destinations : 16 Routes : 16

Destination/Mask Proto Pre Cost NextHop Interface

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