HP 6125G HP 6125G & 6125G/XG Blade Switches High Availability Configur - Page 213

to 30.1.1.0/24 through Switch C and Switch B., 1.1.0/24 through Switch B.

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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. 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 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. 206

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206
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
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
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.