Virtual Leased Line Services
7750 SR OS Services Guide Page 275
encapsulation
Syntax encapsulation atm-encap-type
Context config>service>epipe>sap>atm
config>service>ipipe>sap>atm
Description This command specifies the data encapsulation for an ATM PVCC delimited SAP. The definition
references RFC 2684, Multiprotocol Encapsulation over ATM AAL5, and to the ATM Forum LAN
Emulation specification.
Ingress traffic that does not match the configured encapsulation will be dropped.
Default The encapsulation is driven by the services for which the SAP is configured.
For IES and VPRN service SAPs, the default is aal5snap-routed.
Parameters atm-encap-type — Specify the encapsulation type.
Values aal5snap-routed — Routed encapsulation for LLC encapsulated circuit (LLC/
SNAP precedes protocol datagram) as defined in RFC 2684.
aal5mux-ip — Routed IP encapsulation for VC multiplexed circuit as defined in
RFC 2684
traffic-desc
Syntax traffic-desc traffic-desc-profile-id
no traffic-desc
Context config>service>epipe>sap
config>service>apipe>sap>atm>egress
config>service>apipe>sap>atm>ingress
config>service>epipe>sap>atm>egress
config>service>epipe>sap>atm>ingress
Description This command assigns an ATM traffic descriptor profile to a given context (for example, a SAP).
When configured under the ingress context, the specified traffic descriptor profile defines the traffic
contract in the forward direction.
When configured under the egress context, the specified traffic descriptor profile defines the traffic
contract in the backward direction.
The no form of the command reverts the traffic descriptor to the default traffic descriptor profile.
Default The default traffic descriptor (trafficDescProfileId. = 1) is associated with newly created PVCC-
delimited SAPs.
Parameters traffic-desc-profile-id — Specify a defined traffic descriptor profile (see the QoS atm-td-profile
command).
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