encapsulation

encapsulation (logical interface)

Syntax

encapsulation (atm-ccc-cell-relay | atm-ccc-vc-mux | atm-tcc-vc-mux | atm-cisco-nlpid | atm-nlpid | atm-snap | atm-tcc-snap | atm-vc-mux | ether-over-atm-llc | frame-relay-ccc | frame-relay-tcc | multilink-frame-relay-end-to-end | multilink-ppp | vlan-ccc);

Hierarchy Level

[edit interfaces interface-name unit logical-unit-number]

Description

Logical link-layer encapsulation type.

Options

atm-ccc-cell-relay—Use ATM cell relay encapsulation.

atm-ccc-vc-mux—Use ATM VC multiplex encapsulation on circuit cross-connect (CCC) circuits. When you use this encapsulation type, you can configure the family ccc only.

atm-cisco-nlpid—Use Cisco ATM NLPID encapsulation. When you use this encapsulation type, you can configure the family inet only.

atm-nlpid—Use ATM NLPID encapsulation. When you use this encapsulation type, you can configure the family inet only.

atm-snap—Use ATM SNAP encapsulation.

atm-tcc-snap—Use ATM SNAP encapsulation on translational cross-connect (TCC) circuits.

atm-tcc-vc-mux—Use ATM VC multiplex encapsulation on translational cross-connect (TCC) circuits. When you use this encapsulation type, you can configure the family tcc only.

atm-vc-mux—Use ATM VC mux encapsulation. When you use this encapsulation type, you can configure the family inet only.

ether-over-atm-llc—For interfaces that carry IPv4 traffic, use Ethernet over ATM LLC encapsulation. When you use this encapsulation type, you cannot configure multipoint interfaces.

frame-relay-ccc—Use Frame Relay encapsulation on circuit cross-connect (CCC) circuits. When you use this encapsulation type, you can configure the family ccc only.

frame-relay-tcc—Use Frame Relay encapsulation on TCC circuits for connecting unlike media. When you use this encapsulation type, you can configure the family tcc only.

multilink-frame-relay-end-to-end—Use Multilink Frame Relay (MLFR) FRF.15 encapsulation. This encapsulation is used only on multilink and link services interfaces and their constituent T1 or E1 interfaces.

multilink-ppp—Use Multilink Point-to-Point Protocol (MLPPP) encapsulation. This encapsulation is used only on multilink and link services interfaces and their constituent T1 or E1 interfaces.

vlan-ccc—Use Ethernet Virtual Local Area Network (VLAN) encapsulation on circuit cross-connect (CCC) circuits. When you use this encapsulation type, you can configure the family ccc only.

Usage Guidelines

See Configure Interface Encapsulation, Configure Circuit and Translational Cross-Connects, Configure ATM 1 and ATM 2 Interface Encapsulation, Configure VLAN CCC Encapsulation, Configure Extended VLAN CCC Encapsulation, and Configure Multilink and Link Services Logical Interface Encapsulation.

Required Privilege Level

interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.

encapsulation (physical interface)

Syntax

encapsulation (atm-ccc-cell-relay | atm-pvc | cisco-hdlc | cisco-hdlc-ccc | cisco-hdlc-tcc |
    ethernet-ccc | frame-relay | frame-relay-ccc | frame-relay-tcc | ppp | ppp-ccc | ppp-tcc |
    vlan-ccc | extended-vlan-ccc);

Hierarchy Level

[edit interfaces interface-name]

Description

Physical link-layer encapsulation type.

Options

atm-ccc-cell-relay—Use ATM cell relay encapsulation.

atm-pvc—Use ATM PVC encapsulation.

cisco-hdlc—Use Cisco-compatible HDLC framing.

cisco-hdlc-ccc—Use Cisco-compatible HDLC framing on circuit cross-connect (CCC) circuits.

cisco-hdlc-tcc—Use Cisco-compatible HDLC framing on translational cross-connect (TCC) circuits for connecting unlike media.

ethernet-ccc—Use Ethernet CCC encapsulation on Ethernet interfaces that must accept packets carrying standard Tag Protocol ID (TPID) values.

ethernet-tcc—For interfaces that carry IPv4 traffic, use Ethernet TCC encapsulation on interfaces that must accept packets carrying standard Tag Protocol ID (TPID) values. Ethernet TCC is not currently supported on Fast Ethernet 48-port PICs or the T-series platforms.

extended-vlan-ccc—Use extended VLAN encapsulation on CCC circuits with Gigabit Ethernet and four-port Fast Ethernet interfaces that must accept packets carrying 802.1Q values.

extended-vlan-tcc—For interfaces that carry IPv4 traffic, use extended VLAN encapsulation on TCC circuits with Gigabit Ethernet interfaces on which you want to use 802.1Q tagging. Extended Ethernet TCC is not currently supported on Fast Ethernet 48-port PICs or the T-series platforms.

frame-relay—Use Frame Relay encapsulation.

frame-relay-ccc—Use plain Frame Relay encapsulation or Frame Relay encapsulation on circuit cross-connect (CCC) circuits.

frame-relay-tcc—Use Frame Relay encapsulation on TCC circuits to connect unlike media.

multilink-frame-relay-uni-nni—Use Multilink Frame Relay (MLFR) UNI NNI encapsulation. This encapsulation is used only on link services interfaces functioning as FRF.16 bundles and their constituent T1 or E1 interfaces.

ppp—Use serial point-to-point (PPP) encapsulation.

ppp-ccc—Use serial PPP encapsulation on CCC circuits. When you use this encapsulation type, you can configure the family ccc only.

ppp-tcc—Use serial PPP encapsulation on TCC circuits for connecting unlike media. When you use this encapsulation type, you can configure the family tcc only.

vlan-ccc—Use Ethernet Virtual Local Area Network (VLAN) encapsulation on CCC circuits.

Default

PPP encapsulation.

Usage Guidelines

See Configure Interface Encapsulation, Configure Layer 2 Switching Cross-Connects, Configure ATM 1 and ATM 2 Interface Encapsulation, Configure VLAN CCC Encapsulation, and Configure Extended VLAN CCC Encapsulation.

Required Privilege Level

interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.