|
|
This chapter describes the function and displays the syntax for Frame Relay commands. For more information about defaults and usage guidelines, see the corresponding chapter of the Wide-Area Networking Command Reference.
To associate a map class with a protocol-and-address combination, use the class map-list configuration command.
protocol protocol-address class map-class [broadcast] [trigger] [ietf]| protocol | Supported protocol, bridging, or logical link control keywords: appletalk, bridging, clns, decnet, dlsw, ip, ipx, llc2, rsrb, vines, and xns. |
| protocol-address | Protocol address. The bridge and clns keywords do not use protocol addresses. |
| class map-class | Name of the map class from which to derive quality of service (QOS) information. |
| broadcast | (Optional) Allows broadcasts on this SVC. |
| trigger | (Optional) Enables a broadcast packet to trigger an SVC. If an SVC already exists that uses this map class, the SVC will carry the broadcast. This keyword can be configured only if broadcast is also configured. |
| ietf | (Optional) Specifies RFC 1490 encapsulation. The default is Cisco encapsulation. |
To associate a map class with a specified data-link connection identifier (DLCI), use the class virtual circuit configuration command. To remove the association between the DLCI and the map class, use the no form of this command.
class name| name | Name of map class to associate with this DLCI. |
To clear dynamically created Frame Relay maps, which are created by the use of Inverse Address Resolution Protocol (ARP), use the clear frame-relay-inarp EXEC command.
clear frame-relay-inarpTo enable Frame Relay encapsulation, use the encapsulation frame-relay interface configuration command. To disable Frame Relay encapsulation, use the no form of this command.
encapsulation frame-relay [cisco | ietf]| cisco | (Optional) Uses Cisco's own encapsulation, which is a 4-byte header, with 2 bytes to identify the data-link connection identifier (DLCI) and 2 bytes to identify the packet type. This is the default. |
| ietf | (Optional) Sets the encapsulation method to comply with the Internet Engineering Task Force (IETF) standard (RFC 1490). Use this keyword when connecting to another vendor's equipment across a Frame Relay network. |
Use the frame-relay adaptive-shaping map-class subcommand to select the type of backward notification you want to use. Use the no form of the command to disable backward notification.
frame-relay adaptive-shaping {becn | foresight}| becn | Enables rate adjustment in response to BECN. |
| foresight | Enables rate adjustment in response to ForeSight messages. |
To specify the incoming or outgoing committed burst size (Bc) for a Frame Relay virtual circuit, use the frame-relay bc map-class configuration command. To reset the committed burst size to the default, use the no form of this command.
frame-relay bc {in | out} bits| in | out | Incoming or outgoing; if neither is specified, both in and out values are set. |
| bits | Committed burst size, in bits. Default is 7000 bits. |
To set the incoming or outgoing excess burst size (Be) for a Frame Relay virtual circuit, use the frame-relay be map-class configuration command. To reset the excess burst size to the default, use the no form of this command.
frame-relay be {in | out} bits| in | out | Incoming or outgoing. |
| bits | Excess burst size, in bits. Default is 7000 bits. |
This command has been replaced by the frame-relay adaptive-shaping command. If you use the frame-relay becn-response-enable command in scripts, you should replace it with the frame-relay adaptive-shaping command. This command will be removed from the product in a future release.
To create a special queue for a specified interface to hold broadcast traffic that has been replicated for transmission on multiple DLCIs, use the frame-relay broadcast-queue interface configuration command.
frame-relay broadcast-queue size byte-rate packet-rate| size | Number of packets to hold in the broadcast queue. The default is 64 packets. |
| byte-rate | Maximum number of bytes to be transmitted per second. The default is 256000 bytes per second. |
| packet-rate | Maximum number of packets to be transmitted per second. The default is 36 packets per second. |
To specify the incoming or outgoing committed information rate (CIR) for a Frame Relay virtual circuit, use the frame-relay cir map-class configuration command. To reset the CIR to the default, use the no form of this command.
frame-relay cir {in | out} bps| in | out | Incoming or outgoing. |
| bps | Committed information rate (CIR), in bits per second. Default is 56000 kps. |
To associate a map class with an interface or subinterface, use the frame-relay class interface configuration command. To remove the association between in the interface or subinterface and the named map class, use the no form of this command.
frame-relay class name| name | Name of the map class to associate with this interface or subinterface. |
To specify a custom queue to be used for the virtual circuit queuing associated with a specified map class, use the frame-relay custom-queue-list map-class configuration command. To remove the specified queuing from the virtual circuit and cause it to revert to the default first-come-first-served queuing, use the no form of this command.
frame-relay custom-queue-list list-number| list-number | List number. |
To specify the discard eligibility (DE) group number to be used for a specified DLCI, use the frame-relay de-group interface configuration command. To disable a previously defined group number assigned to a specified DLCI, use the no form of the command with the relevant keyword and arguments.
frame-relay de-group group-number dlci| group-number | DE group number to apply to the specified DLCI number, in the range from 1 through 10. |
| dlci | DLCI number. |
To define a discard eligibility (DE) list specifying the packets that have the DE bit set and thus are eligible for discarding when congestion is experienced on the Frame Relay switch, use the frame-relay de-list global configuration command. To delete a portion of a previously defined DE list, use the no form of this command.
frame-relay de-list list-number {protocol protocol | interface type number} characteristic| list-number | Number of the DE list. |
| protocol protocol | One of the following keywords corresponding to a supported protocol or device: arp--Address Resolution Protocol. apollo--Apollo Domain. appletalk--AppleTalk. bridge--bridging device. clns--ISO Connectionless Network Service. clns_es--CLNS end systems. clns_is--CLNS intermediate systems. compressedtcp--Compressed Transmission Control Protocol (TCP). decnet--DECnet. decnet_node--DECnet end node. decnet_router-L1--DECnet Level 1 (intra-area) router. decnet_router-L2--DECnet Level 2 (interarea) router. ip--Internet Protocol. ipx--Novell Internet Packet Exchange Protocol. vines--Banyan VINES. xns--Xerox Network Systems. |
| interface type | One of the following interface types: serial, null, or ethernet. |
| number | Interface number. |
| characteristic | One of the following:
fragments--Fragmented IP packets. |
To specify the idle timeout interval for a switched virtual circuit, use the frame-relay idle-timer map-class configuration command. To reset the idle timer to its default interval, use the no form of this command.
frame-relay idle-timer seconds| seconds | Time interval, in seconds, with no frames exchanged on a switched virtual circuit, after which the SVC is released. Default is 120 seconds. |
To assign a data link connection identifier (DLCI) to a specified Frame Relay subinterface on the router or access server, use the frame-relay interface-dlci interface configuration command. To remove this assignment, use the no form of this command.
frame-relay interface-dlci dlci [ietf | cisco]| dlci | DLCI number to be used on the specified subinterface. |
| ietf | cisco | (Optional) Encapsulation type: Internet Engineering Task Force (IETF) Frame Relay encapsulation or Cisco Frame Relay encapsulation. |
| protocol ip ip-address | (Optional) Indicates the IP address of the main interface of a new router or access server onto which a router configuration file is to be automatically installed over a Frame Relay network. Use this option only when this device will act as the BOOTP server for automatic installation over Frame Relay. |
Use the frame-relay intf-type interface configuration command to configure a Frame Relay switch type. Use the no form of this command to disable the switch.
frame-relay intf-type [dce | dte | nni]| dce | (Optional) Router or access server functions as a switch connected to a router. |
| dte | (Optional) Router or access server is connected to a Frame Relay network. This is the default. |
| nni | (Optional) Router or access server functions as a switch connected to a switch--supports Network-to-Network Interface (NNI) connections. |
If the Inverse Address Resolution Protocol (Inverse ARP) was previously disabled on a router or access server configured for Frame Relay, use the frame-relay inverse-arp interface configuration command to reenable Inverse ARP on a specified interface or subinterface. Use the no form of this command to disable this feature.
frame-relay inverse-arp [protocol] [dlci]| protocol | Supported protocols: appletalk, decnet, ip, ipx, vines, and xns. |
| dlci | One of the DLCI numbers used on the interface. Acceptable numbers are integers in the range 16 through 1007. |
To configure an interface to ensure that the associated PVC will always carry outgoing Transmission Control Protocol/Internet Protocol (TCP/IP) headers in compressed form, use the frame-relay ip tcp header-compression interface configuration command. To disable compression of TCP/IP packet headers on the interface, use the no form of this command.
frame-relay ip tcp header-compression [passive]| passive | (Optional) Compresses the outgoing TCP/IP packet header only if an incoming packet had a compressed header. |
To resume the default setting of sending the Frame Reject (FRMR) frame at the LAPF Frame Reject procedure after having set the option of not sending the frame, use the frame-relay frmr command. To set the option of not sending the Frame Reject (FRMR) frame at the LAPF Frame Reject procedure, use the no frame-relay lapf frmr interface configuration command.
frame-relay frmrTo set the Link Access Procedure for Frame Relay (LAPF) window size k, use the frame-relay lapf k interface configuration command. To reset the maximum window size k to the default value, use the no form of this command
frame-relay lapf k number| number | Maximum number of Information frames that are either outstanding for transmission or are transmitted but unacknowledged, in the range 1 through 127. Default is 7 frames. |
To set the LAPF maximum retransmission count N200, use the frame-relay lapf n200 interface configuration command. To reset the maximum retransmission count to the default of 3, use the no form of this command.
frame-relay lapf n200 retries| retries | Maximum number of retransmissions of a frame. Default is 3 retransmissions. |
To set the LAPF N201 value (the maximum length of the Information field of the LAPF I frame), use the frame-relay lapf n201 interface configuration command. To reset the maximum length of the Information field to the default of 260 bytes (octets), use the no form of this command.
frame-relay lapf n201 bytes| bytes | Maximum number of bytes in the Information field of the LAPF I frame, in the range 1 through 16384. Default is 260 bytes. |
To set the LAPF retransmission timer value T200, use the frame-relay lapf t200 interface configuration command. To reset the T200 timer to the default value of 15, use the no form of this command.
frame-relay lapf t200 tenths-of-a-second| tenths-of-a-second | Time, in tenths of a second, in the range 1 through 100. Default is 15 tenths of a second (1.5 seconds). |
To set the LAPF link idle timer value T203 of DLCI 0, use the frame-relay lapf t203 interface configuration command. To reset the link idle timer to the default value, use the no form of this command.
frame-relay lapf t203 seconds| seconds | Maximum time allowed with no frames exchanged, in the range 1 through 65535 seconds. Default is 30 seconds. |
To set a full status polling interval, use the frame-relay lmi-n391dte interface configuration command. To restore the default interval value, assuming an LMI has been configured, use the no form of this command.
frame-relay lmi-n391dte keep-exchanges| keep-exchanges | Number of keep exchanges to be done before requesting a full status message. Acceptable value is a positive integer in the range 1 through 255. |
To set the DCE and the Network-to-Network Interface (NNI) error threshold, use the frame-relay lmi-n392dce interface configuration command. To remove the current setting, use the no form of this command.
frame-relay lmi-n392dce threshold| threshold | Error threshold value. Acceptable value is a positive integer in the range 1 through 10. Default is 2 errors. |
To set the error threshold on a DTE or NNI interface, use the frame-relay lmi-n392dte interface configuration command. To remove the current setting, use the no form of this command.
frame-relay lmi-n392dte threshold| threshold | Error threshold value. Acceptable value is a positive integer in the range 1 through 10. Default is 3 errors. |
To set the DCE and NNI monitored events count, use the frame-relay lmi-n393dce interface configuration command. To remove the current setting, use the no form of this command.
frame-relay lmi-n393dce events| events | Monitored events count value. Acceptable value is a positive integer in the range 1 through 10. Default is 2 events. |
To set the monitored event count on a DTE or NNI interface, use the frame-relay lmi-n393dte interface configuration command. To remove the current setting, use the no form of this command.
frame-relay lmi-n393dte events| events | Monitored events count value. Acceptable value is a positive integer in the range 1 through 10. Default is 4 events. |
To set the polling verification timer on a DCE or NNI interface, use the frame-relay lmi-t392dce interface configuration command. To remove the current setting, use the no form of this command.
frame-relay lmi-t392dce seconds| seconds | Polling verification timer value, in seconds. Acceptable value is a positive integer in the range 5 through 30. Default is 15 seconds. |
To select the Local Management Interface (LMI) type, use the frame-relay lmi-type interface configuration command. To return to the default LMI type, use the no form of this command.
frame-relay lmi-type {ansi | cisco | q933a}| ansi | Annex D defined by American National Standards Institute (ANSI) standard T1.617. |
| cisco | LMI type defined jointly by Cisco and three other companies. |
| q933a | ITU-T Q.933 Annex A. |
To set the source DLCI for use when the LMI is not supported, use the frame-relay local-dlci interface configuration command. To remove the DLCI number, use the no form of this command.
frame-relay local-dlci number| number | Local (source) DLCI number to be used. |
To define the mapping between a destination protocol address and the DLCI used to connect to the destination address, use the frame-relay map interface configuration command. Use the no form of this command to delete the map entry.
frame-relay map protocol protocol-address dlci [broadcast] [ietf | cisco]| protocol | Supported protocol, bridging, or logical link control keywords: appletalk, decnet, dlsw, ip, ipx, llc2, rsrb, vines and xns. |
| protocol-address | Destination protocol address. |
| dlci | DLCI number used to connect to the specified protocol address on the interface. |
| broadcast | (Optional) Forwards broadcasts to this address when multicast is not enabled (see the frame-relay multicast-dlci command for more information about multicasts). This keyword also simplifies the configuration of Open Shortest Path First (OSPF). |
| ietf | (Optional) Internet Engineering Task Force (IETF) form of Frame Relay encapsulation. Used when the router or access server is connected to another vendor's equipment across a Frame Relay network. |
| cisco | (Optional) Cisco encapsulation method. |
| payload-compress packet-by-packet | (Optional) Packet-by-packet payload compression using the Stacker method. |
| payload-compress frf9 stac | (Optional) Enables FRF.9 compression using the Stacker method.
· If the router contains a compression service adapter (CSA), compression is performed in the CSA hardware (hardware compression). · If the CSA is not available, compression is performed in the software installed on the VIP2 (distributed compression). · If the VIP2 is not available, compression is performed in the router's main processor (software compression). |
| hardware-options | (Optional) One of the following keywords:
distributed--Specifies that compression is implemented in the software that is installed in a VIP2. If the VIP2 is not available, compression is performed in the router's main processor (software compression). This option applies only to the Cisco 7500 series. software--Specifies that compression is implemented in the Cisco IOS software installed in the router's main processor. csa csa_number--Specifies the CSA to use for a particular interface. This option applies only to Cisco 7200 series routers. |
To specify that broadcasts are to be forwarded during bridging, use the frame-relay map bridge interface configuration command. Use the no form of this command to delete the map entry.
frame-relay map bridge dlci [broadcast] [ietf]| dlci | DLCI number to be used for bridging on the specified interface or subinterface. |
| broadcast | (Optional) Broadcasts are forwarded when multicast is not enabled. |
| ietf | (Optional) IETF form of Frame Relay encapsulation. Use when the router or access server is connected to another vendor's equipment across a Frame Relay network. |
To forward broadcasts when ISO CLNS is used for routing, use the frame-relay map clns interface configuration command. Use the no form of this interface configuration command to delete the map entry.
frame-relay map clns dlci [broadcast]| dlci | DLCI number to which CLNS broadcasts are forwarded on the specified interface. |
| broadcast | (Optional) Broadcasts are forwarded when multicast is not enabled. |
To assign header compression characteristics to an IP map that differ from the compression characteristics of the interface with which the IP map is associated, use the frame-relay map ip tcp header-compression interface configuration command. To remove the IP map, use the no form of this command.
frame-relay map ip ip-address dlci [broadcast] [cisco | ietf] [nocompress]| ip-address | IP address. |
| dlci | DLCI number. |
| broadcast | (Optional) Forwards broadcasts to the specified IP address. |
| cisco | (Optional) Uses Cisco's proprietary encapsulation. This is the default. |
| ietf | (Optional) Uses RFC 1490 encapsulation. No TCP/IP header compression is done if IETF encapsulation is chosen for the IP map or the associated interface. |
| nocompress | (Optional) Disables TCP/IP header compression for this map. |
| active | Compresses the header of every outgoing TCP/IP packet. |
| passive | Compresses the header of an outgoing TCP/IP packet only if an incoming TCP/IP packet had a compressed header. |
To specify the minimum acceptable incoming or outgoing committed information rate (CIR) for a Frame Relay virtual circuit, use the frame-relay mincir map-class configuration command. To reset the minimum acceptable CIR to the default, use the no form of this command.
frame-relay mincir {in | out} bps| in | out | Incoming or outgoing. |
| bps | Committed information rate, in bits per second. Default is 56000 bps. |
Use the frame-relay multicast-dlci interface configuration command to define the DLCI to be used for multicasts. Use the no form of this command to remove the multicast group.
frame-relay multicast-dlci number| number | Multicast DLCI. |
Use the frame-relay payload-compress interface configuration command to enable Stacker payload compression on a specified point-to-point interface or subinterface, To disable payload compression on a specified point-to-point interface or subinterface, use the no form of this command.
frame-relay payload-compress {packet-by-packet | frf9 stac [hardware-options]}| packet-by-packet | Packet-by-packet payload compression, using the Stacker method. |
| frf9 stac | Optional) Enables FRF.9 compression using the Stacker method.
· If the router contains a compression service adapter (CSA), compression is performed in the CSA hardware (hardware compression). · If the CSA is not available, compression is performed in the software installed on the VIP2 (distributed compression). · If the VIP2 is not available, compression is performed in the router's main processor (software compression). |
| hardware-options | (Optional) One of the following keywords:
distributed--Specifies that compression is implemented in the software that is installed in a VIP2. If the VIP2 is not available, compression is performed in the router's main processor (software compression). This option applies only to the Cisco 7500 series. software--Specifies that compression is implemented in the Cisco IOS software installed in the router's main processor. csa csa_number--Specifies the CSA to use for a particular interface. This option applies only to Cisco 7200 series routers. |
To prioritize multiple DLCIs based on the type of Frame Relay traffic, use the frame-relay priority-dlci-group interface configuration command. Associate the DLCIs to their perspective groups and define their priority levels. This command is used for multiple DLCIs, where the source and destination endpoints are the same (parallel paths). This command should not be used on a main interface, or point-to-point subintereface, where only a single DLCI is configured.
frame-relay priority-dlci-group group-number high-dlci medium-dlci normal-dlci low-dlci| group-number | Specific group number. |
| high-dlci | DLCI that is to have highest priority level. |
| medium-dlci | DLCI that is to have medium priority level. |
| normal-dlci | DLCI that is to have normal priority level. |
| low-dlci | DLCI that is to have lowest priority level. |
To assign a priority queue to virtual circuits associated with a map class, use the frame-relay priority-group map-class configuration command. To remove the specified queuing from the virtual circuit and cause it to revert to the default first-come-first-served queuing, use the no form of this command.
frame-relay priority-group list-number| list-number | Priority-list number to be associated with the specified map class. |
Use the frame-relay qos-autosense interface configuration command to enable Enhanced Local Management Interface on the Cisco router. Use the no form of this command to disable Enhanced Local Management Interface on the Cisco router.
frame-relay qos-autosenseUse the frame-relay route interface configuration command to specify the static route for PVC switching. Use the no form of this command to remove a static route.
frame-relay route in-dlci out-interface out-dlci| in-dlci | DLCI on which the packet is received on the interface. |
| out-interface | Interface that the router or access server uses to transmit the packet. |
| out-dlci | DLCI that the router or access server uses to transmit the packet over the specified out-interface. |
To enable Frame Relay SVC operation on the specified interface, use the frame-relay svc interface configuration command. To disable SVC operation on the specified interface, use the no form of this command
frame-relay svcUse the frame-relay switching global configuration command to enable PVC switching on a Frame Relay DCE or an NNI. Use the no form of this command to disable switching.
frame-relay switchingTo configure all the traffic shaping characteristics of a virtual circuit in a single command, use the frame-relay traffic-rate map-class configuration command. To remove the specified traffic shaping from the map class, use the no form of this command.
frame-relay traffic-rate average [peak]| average | Average rate, in bits per second; equivalent to specifying the contracted CIR. |
| peak | (Optional) Peak rate, in bits per second; equivalent to CIR + Be/Tc = CIR (1 + Be/Bc) = CIR + EIR. |
To enable both traffic shaping and per-virtual circuit queuing for all PVCs and SVCs on a Frame Relay interface, use the frame-relay traffic-shaping interface configuration command. To disable traffic shaping and per-virtual circuit queuing, use the no form of this command.
frame-relay traffic-shapingTo enable the Local Management Interface (LMI) mechanism for serial lines using Frame Relay encapsulation, use the keepalive interface configuration command. Use the no form of this command to disable this capability.
keepalive numberTo specify a map class to define quality of service (QOS) values for an SVC, use the map-class frame-relay global configuration command.
map-class frame-relay map-class-name| frame-relay | Keyword specifying the type of map class. |
| map-class-name | Name of this map class. |
To associate a map list with a specific interface, use the map-group interface configuration command.
map-group group-name| group-name | Name used in a map-list command. |
To specify a map group and link it to a local E.164 or X.121 source address and a remote E.164 or X.121 destination address for Frame Relay SVCs, use the map-list global configuration command. To delete a previous map-group link, use the no form of this command.
map-list map-group-name source-addr {e164 | x121} source-address dest-addr {e164 | x121}| map-group-name | Name of the map group. This map group must be associated with a physical interface. |
| source-addr {e164 | x121} | Type of source address. |
| source-address | Address of the type specified (E.164 or X.121). |
| dest-addr {e164 | x121} | Type of destination address. |
| destination-address | Address of the type specified (E.164 or X.121). |
To display statistics and TCP/IP header compression information for the interface, use the show frame-relay ip tcp header-compression EXEC command.
show frame-relay ip tcp header-compressionTo display information about the status of the internals of Frame Relay Layer 2 (LAPF) if SVCs are configured, use the show frame-relay lapf EXEC command.
show frame-relay lapfTo display statistics about the Local Management Interface (LMI), use the show frame-relay lmi EXEC command.
show frame-relay lmi [type number]| type | (Optional) Interface type; it must be serial. |
| number | (Optional) Interface number. |
To display the current map entries and information about the connections, use the show frame-relay map EXEC command.
show frame-relay mapTo display statistics about PVCs for Frame Relay interfaces, use the show frame-relay pvc EXEC command.
show frame-relay pvc [type number [dlci]]| type | (Optional) Interface type. |
| number | (Optional) Interface number. |
| dlci | (Optional) One of the specific DLCI numbers used on the interface. Statistics for the specified PVC display when a DLCI is also specified. |
Use the show frame-relay qos-autosense EXEC command to show the QOS values sensed from the switch.
show frame-relay qos-autosense [interface number]| interface number | (Optional) Indicates the number of the physical interface for which you want to display QOS information. |
Use the show frame-relay route EXEC command to display all configured Frame Relay routes, along with their status.
show frame-relay routeTo display all the SVCs under a specified map list, use the show frame-relay svc maplist EXEC command.
show frame-relay svc maplist name| name | Name of the map list. |
To display the global Frame Relay statistics since the last reload, use the show frame-relay traffic EXEC command.
show frame-relay trafficUse the show interfaces serial EXEC command to display information about a serial interface. When using the Frame Relay encapsulation, use the show interfaces serial command to display information about the multicast DLCI, the DLCIs used on the interface, and the DLCI used for the Local Management Interface (LMI).
show interfaces serial number| number | Interface number. |
|
|