Network Application; Command And Hardware Compatibility; Configuring Urpf - HP MSR Series Configuration Manual

Network application

Figure 172 Network diagram
As shown in
network. Loose uRPF check is configured between ISPs.
For special packets or users, you can configure ACLs.

Command and hardware compatibility

Commands and descriptions for centralized devices apply to the following routers:
•
MSR1002-4/1003-8S.
•
MSR2003.
•
MSR2004-24/2004-48.
•
MSR3012/3024/3044/3064.
•
MSR954(JH296A/JH297A/JH299A)
Commands and descriptions for distributed devices apply to MSR4060 and MSR4080 routers.

Configuring uRPF

A device supports uRPF configuration only on interfaces.
Follow these guidelines when you configure uRPF:
•
uRPF checks only incoming packets on interfaces.
•
You can use the display ip interface command to display statistics about packets discarded by
uRPF (displayed as "Drops" and "Suppressed drops").
ISP A
Figure 172, strict uRPF check is configured between an ISP network and a customer
ISP B
uRPF (loose)
uRPF (strict)
User
546
ISP C