HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Routing Confi - Page 22
BFD for static routes configuration example (direct next hop), Network requirements
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Minimum = 1ms, Maximum = 1ms, Average = 1ms # Use the tracert command on Host B to test the reachability of Host A. C:\Documents and Settings\Administrator>tracert 1.1.2.2 Tracing route to 1.1.2.2 over a maximum of 30 hops 1
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12
Minimum = 1ms, Maximum = 1ms, Average = 1ms
# Use the
tracert
command on Host B to test the reachability of Host A.
C:\Documents and Settings\Administrator>tracert 1.1.2.2
Tracing route to 1.1.2.2 over a maximum of 30 hops
1
<1 ms
<1 ms
<1 ms
1.1.6.1
2
<1 ms
<1 ms
<1 ms
1.1.4.1
3
1 ms
<1 ms
<1 ms
1.1.2.2
Trace complete.
BFD for static routes configuration example (direct next hop)
Network requirements
As shown in
Figure 2
, configure static routes to subnet 120.1.1.0/24 on Switch A, static routes to subnet
121.1.1.0/24 on Switch B, and static routes to subnets 120.1.1.0/24 and 121.1.1.0/24 on Switch C.
Enable BFD so that when the link between Switch A and Switch B through the Layer 2 switch fails, BFD
can detect the failure immediately and Switch A and Switch B can communicate through Switch C.
Figure 2
Network diagram
Device
Interface
IP address
Device
Interface
IP address
Switch A
Vlan-int10
12.1.1.1/24
Switch B
Vlan-int10
12.1.1.2/24
Vlan-int11
10.1.1.102/24
Vlan-int13
13.1.1.1/24
Switch C
Vlan-int11
10.1.1.100/24
Vlan-int13
13.1.1.2/24
Configuration procedure
1.
Configure IP addresses for the interfaces. (Details not shown.)
2.
Configure static routes and BFD:
# Configure static routes on Switch A and enable BFD control mode for the static route that
traverses the Layer 2 switch.
<SwitchA> system-view
[SwitchA] interface vlan-interface10
[SwitchA-vlan-interface10] bfd min-transmit-interval 500
[SwitchA-vlan-interface10] bfd min-receive-interval 500
[SwitchA-vlan-interface10] bfd detect-multiplier 9
[SwitchA-vlan-interface10] quit