H3C Technologies H3C S10500 Series Switches User Manual

Page 251

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h - history, i - internal, s - suppressed, S - Stale

Origin : i - IGP, e - EGP, ? - incomplete

Network NextHop MED LocPrf PrefVal Path/Ogn

*> 8.1.1.0/24 0.0.0.0 0 0 i

# Display the BGP routing table on Switch B.

[SwitchB] display bgp routing-table

Total Number of Routes: 1

BGP Local router ID is 2.2.2.2

Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,

h - history, i - internal, s - suppressed, S - Stale

Origin : i - IGP, e - EGP, ? - incomplete

Network NextHop MED LocPrf PrefVal Path/Ogn

*> 8.1.1.0/24 3.1.1.2 0 0 65008i

# Display the BGP routing table on Switch C.

[SwitchC] display bgp routing-table

Total Number of Routes: 1

BGP Local router ID is 3.3.3.3

Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,

h - history, i - internal, s - suppressed, S - Stale

Origin : i - IGP, e - EGP, ? - incomplete

Network NextHop MED LocPrf PrefVal Path/Ogn

i 8.1.1.0/24 3.1.1.2 0 100 0 65008i

NOTE:

The outputs show that Switch A has learned no route to AS65009, and Switch C has learned network
8.1.1.0 but the next hop 3.1.1.2 is unreachable, so the route is invalid.

4.

Redistribute direct routes.

Configure BGP to redistribute direct routes on Switch B, so that Switch A can obtain the route to
9.1.1.0/24 and Switch C can obtain the route to 3.1.1.0/24.
# Configure Switch B.

[SwitchB] bgp 65009

[SwitchB-bgp] import-route direct

# Display the BGP routing table on Switch A.

[SwitchA] display bgp routing-table

Total Number of Routes: 4

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