H3C Technologies H3C S12500 Series Switches User Manual

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Local IP : 10.2.1.1

# Display the routing table of Switch A.

[SwitchA] display ip routing-table

Routing Tables: Public

Destinations : 9 Routes : 9

Destination/Mask Proto Pre Cost NextHop Interface

10.2.1.0/24 Direct 0 0 10.2.1.1 Vlan2

10.2.1.1/32 Direct 0 0 127.0.0.1 InLoop0

10.3.1.0/24 Direct 0 0 10.3.1.1 Vlan3

10.3.1.1/32 Direct 0 0 127.0.0.1 InLoop0

20.1.1.0/24 Direct 0 0 20.1.1.1 Vlan5

20.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0

30.1.1.0/24 Static 60 0 10.2.1.2 Vlan2

127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0

127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0

The output shows the BFD detection result: the next hop 10.2.1.2 is reachable (the status of the

track entry is Positive), and the master static route takes effect. Switch A forwards packets to
30.1.1.0/24 through Switch B.
# Remove the IP address of interface VLAN-interface 2 on Switch B.

system-view

[SwitchB] interface vlan-interface 2

[SwitchB-Vlan-interface2] undo ip address

# Display information about the track entry on Switch A.

[SwitchA] display track all

Track ID: 1

Status: Negative

Duration: 0 days 0 hours 0 minutes 32 seconds

Notification delay: Positive 0, Negative 0 (in seconds)

Reference object:

BFD Session:

Packet type: Echo

Interface : Vlan-interface2

Remote IP : 10.2.1.2