IP Router Configuration Command Reference
194 Router Configuration Guide
9158 = max-IP_MTU (9198)-40
Values 536 to 9158 (IPv4)
1220 to 9138 (IPv6)
urpf-check
Syntax [no] urpf-check
Context config>router>if
config>router>if>ipv6
Description This command enables unicast RPF (uRPF) Check on this interface.
The no form of the command disables unicast RPF (uRPF) Check on this interface.
Default disabled
vas-if-type
Syntax vas-if-type {to-from-access | to-from-network | to-from-both}
no vas-if-type
Context config>router>interface
Description This command configures the type of a Value Added Service (VAS) facing interface. To change the
vas-if-type, the shutdown command is required. The vas-if-type and loopback commands are
mutually exclusive.
The no form of the command removes the VAS interface type configuration.
Default no vas-if-type
Parameters to-from-access — used when two separate (to-from-access and to-from-network) interfaces are
used for VAS connectivity. For service chaining, traffic arriving from access interfaces
(upstream) is redirected to a PBR target reachable over this interface for upstream VAS
processing. Downstream traffic after VAS processing must arrive on this interface, so that the
traffic is subject to regular routing but is not subject to AA divert, nor egress subscriber PBR.
to-from-network — used when two separate (to-from-access and to-from-network) interfaces
are used for VAS connectivity. For service chaining, traffic arriving from network interfaces
(downstream) is redirected to a PBR target reachable over this interface for downstream VAS
processing. Upstream traffic after VAS processing must arrive on this interface, so that
regular routing can be applied.
to-from-both — used when a single interface is used for VAS connectivity (no local-to-local
traffic). For service chaining, both traffic arriving from access interfaces and from network
interfaces is redirected to a PBR target reachable over this interface for upstream/downstream
VAS processing. Traffic after VAS processing must arrive on this interface, so that the traffic
is subject to regular routing but is not subject to AA divert, nor to egress subscriber PBR.
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