Global Service Configuration Commands
Page 96 7750 SR OS Services Guide
Parameters off — Ingress and egress signal auto-labeling is not enabled. If this parameter is selected, then each
service using the specified SDP must manually configure VPN labels. This configuration is
independent of the SDP’s transport type, GRE, MPLS (RSVP or LDP).
tldp — Ingress and egress signalling autolabelling is enabled.
vlan-vc-etype
Syntax vlan-vc-etype 0x0600..0xffff
no vlan-vc-etype [0x0600..0xffff]
Context config>service>sdp
Description This command configures the VLAN VC EtherType.
The no form of this command returns the value to the default.
Default no vlan-vc-etype
Parameters 0x0600..0xffff — Specifies a valid VLAN etype identifier.
path-mtu
Syntax path-mtu bytes
no path-mtu
Context config>service>sdp
Description This command configures the Maximum Transmission Unit (MTU) in bytes that the Service
Distribution Point (SDP) can transmit to the far-end 7750 SR router without packet dropping or IP
fragmentation overriding the SDP-type default path-mtu.
The default SDP-type path-mtu can be overridden on a per SDP basis.
Dynamic maintenance protocols on the SDP like RSVP may override this setting.
If the physical mtu on an egress interface or PoS channel indicates the next hop on an SDP path
cannot support the current path-mtu, the operational path-mtu on that SDP will be modified to a
value that can be transmitted without fragmentation.
The no form of this command removes any path-mtu defined on the SDP and the SDP will use the
system default for the SDP type.
Default The default path-mtu defined on the system for the type of SDP is used.
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