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

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Field Descri
p
tion
VlanID
VLAN ID. This field is effective when the outgoing interface is a VLAN interface or an
Ethernet subinterface. Otherwise, 0 is displayed.
L2Port
Name of the Layer-2 Ethernet interface. This field is effective when the outgoing interface
is a VLAN interface. Otherwise, N/A is displayed.
L2 Head Length Length of the link-layer header.
L2 Head Complete link-layer header information.
ipv6 fast-forwarding
Use ipv6 fast-forwarding to enable IPv6 fast forwarding on the interface in the inbound and/or
outbound directions.
Use undo ipv6 fast-forwarding to disable IPv6 fast forwarding on the interface in the inbound and/or
outbound directions.
Syntax
ipv6 fast-forwarding [ inbound | outbound ]
undo ipv6 fast-forwarding [ inbound | outbound ]
Default
IPv6 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 IPv6 fast forwarding on the interface in the inbound direction only.
outbound: Enables or disables IPv6 fast forwarding on the interface in the outbound direction only.
If you do not specify any parameter, IPv6 fast forwarding is enabled or disabled on the interface in both
the inbound and outbound directions.
Usage guidelines
IPv6 fast forwarding applies to all high-speed link interfaces. These high speed links include Ethernets,
synchronous PPP links, and HDLC links.
IPv6 fast forwarding is not supported on PPP MP links and compression-enabled PPP links.
To enable per-packet load balancing, IPv6 fast forwarding in the corresponding direction of related
interfaces must be disabled.
After IPv6 fast forwarding is enabled on an interface, no IPv6 packet debugging information is displayed
for the interface by using the debugging ipv6 packet command.
To implement IPv6 fast forwarding for a data flow, you need to enable IPv6 fast forwarding in the
inbound direction of the incoming interface and in the outbound direction of the outgoing interface.