R2511-HP MSR Router Series Layer 3 - IP Services Command Reference(V5)

123
Field Descri
p
tion
Pro Protocol number.
Input_If Input interface number.
Output_If Output interface number.
ip fast-forwarding
Use ip fast-forwarding to enable fast forwarding on the interface in the inbound and/or outbound
directions.
Use undo ip fast-forwarding to disable fast forwarding on the interface in the inbound and/or outbound
directions.
Syntax
ip fast-forwarding [ inbound | outbound ]
undo ip fast-forwarding [ inbound | outbound ]
Default
Fast forwarding is enabled in both the inbound and outbound directions.
Views
Interface view
Default command level
2: System level
Parameters
inbound: Enables or disables fast forwarding on the interface in the inbound direction only.
outbound: Enables or disables fast forwarding on the interface in the outbound direction only.
If you do not specify any parameter, fast forwarding is enabled or disabled on the interface in both the
inbound and outbound directions.
Usage guidelines
Fast forwarding applies to high speed link interfaces (such as Ethernet and Frame Relay interfaces) rather
than low speed link interfaces.
Fast forwarding is supported on high-speed link interfaces (including Ethernet, synchronous PPP, Frame
Relay, and HDLC interfaces) with firewall, NAT, or GRE configured. Fast forwarding is also supported on
PPP MP links and PPP links enabled with IPHC compression or VJ compression.