HP 6125XLG R2306-HP 6125XLG Blade Switch High Availability Configuration Guide - Page 124

/24 through Switch C and Switch B., Display information about the track entry on Switch A.

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Destinations : 9 Destination/Mask Proto Pre 10.2.1.0/24 Direct 0 10.2.1.1/32 Direct 0 10.3.1.0/24 Direct 0 10.3.1.1/32 Direct 0 20.1.1.0/24 Direct 0 20.1.1.1/32 Direct 0 30.1.1.0/24 Static 60 127.0.0.0/8 Direct 0 127.0.0.1/32 Direct 0 Routes : 9 Cost 0 0 0 0 0 0 0 0 0 NextHop 10.2.1.1 127.0.0.1 10.3.1.1 127.0.0.1 20.1.1.1 127.0.0.1 10.2.1.2 127.0.0.1 127.0.0.1 Interface Vlan2 InLoop0 Vlan3 InLoop0 Vlan5 InLoop0 Vlan2 InLoop0 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). 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 State: Negative Duration: 0 days 0 hours 0 minutes 32 seconds Notification delay: Positive 0, Negative 0 (in seconds) Tracked object: BFD session mode: Echo Outgoing interface: Vlan-interface2 VPN instance name: Remote IP: 10.2.1.2 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 10.2.1.0/24 Direct 0 0 10.2.1.1/32 Direct 0 0 10.3.1.0/24 Direct 0 0 10.3.1.1/32 Direct 0 0 20.1.1.0/24 Direct 0 0 20.1.1.1/32 Direct 0 0 30.1.1.0/24 Static 80 0 127.0.0.0/8 Direct 0 0 127.0.0.1/32 Direct 0 0 NextHop 10.2.1.1 127.0.0.1 10.3.1.1 127.0.0.1 20.1.1.1 127.0.0.1 10.3.1.3 127.0.0.1 127.0.0.1 Interface Vlan2 InLoop0 Vlan3 InLoop0 Vlan5 InLoop0 Vlan3 InLoop0 InLoop0 The output shows the BFD detection result: the next hop 10.2.1.2 is unreachable (the status of the track entry is Negative), and the backup static route takes effect, and Switch A forwards packets to 30.1.1.0/24 through Switch C and Switch B. 119

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119
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). 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.
<SwitchB> 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
State: Negative
Duration: 0 days 0 hours 0 minutes 32 seconds
Notification delay: Positive 0, Negative 0 (in seconds)
Tracked object:
BFD session mode: Echo
Outgoing interface: Vlan-interface2
VPN instance name: -
Remote IP: 10.2.1.2
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 80
0
10.3.1.3
Vlan3
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 unreachable (the status of the track
entry is Negative), and the backup static route takes effect, and Switch A forwards packets to
30.1.1.0/24 through Switch C and Switch B.