SMDS Commands

This chapter describes the function and displays the syntax for Switched Multimegabit Data Service (SMDS) commands. For more information about defaults and usage guidelines, see the corresponding chapter of the Wide-Area Networking Command Reference.

arp

Use the following variation of the arp global configuration command to enable Address Resolution Protocol (ARP) entries for static routing over the SMDS network. Use the no form of this command to disable this capability.

arp ip-address smds-address smds
no arp ip-address smds-address smds

ip-address	IP address of the remote router.
smds-address	12-digit SMDS address in the dotted notation nnnn.nnnn.nnnn (48 bits long).
smds	Enables ARP for SMDS.

encapsulation smds

Use the encapsulation smds interface configuration command to enable SMDS service on the desired interface.

encapsulation smds

interface serial multipoint

To define a logical subinterface on a serial interface to support multiple logical IP subnetworks over SMDS, use the interface serial multipoint interface configuration command.

interface serial interface.subinterface multipoint

interface	Interface number.
subinterface	Number for this subinterface; values in the range 0 to 255.

show arp

Use the show arp privileged EXEC command to display the entries in the ARP table.

show arp

show smds addresses

Use the show smds addresses privileged EXEC command to display the individual addresses and the interface they are associated with.

show smds addresses

show smds map

To display all SMDS addresses that are mapped to higher-level protocol addresses, use the show smds map privileged EXEC command.

show smds map

show smds traffic

To display statistics about SMDS packets the router has received, use the show smds traffic privileged EXEC command.

show smds traffic

smds address

To specify the SMDS individual address for a particular interface, use the smds address interface configuration command. To remove the address from the configuration file, use the no form of this command.

smds address smds-address
no smds address smds-address

smds-address

Individual address provided by the SMDS service provider. This address is protocol independent.

smds dxi

To enable the Data Exchange Interface (DXI) version 3.2 support, use the smds dxi interface configuration command. To disable the DXI 3.2 support, use the no form of this command.

smds dxi
no smds dxi

smds enable-arp

To enable dynamic Address Resolution Protocol (ARP), use the smds enable-arp interface configuration command. The multicast address for ARP must be set before this command is issued. Once ARP has been enabled, use the no form of this command to disable the interface.

smds enable-arp
no smds enable-arp

smds glean

To enable dynamic address mapping for IPX over SMDS, use the smds glean interface configuration command. To disable dynamic address mapping for IPX over SMDS, use the no form of this command.

smds glean protocol [timeout-value] [broadcast]
no smds glean protocol

protocol	Protocol type. Only IPX is supported.
timeout-value	(Optional) Time to live (TTL) value. Value can be from 1 to 65535 minutes. The default is 5 minutes. This value indicates how long a gleaned dynamic map is stored in the SMDS map table.
broadcast	(Optional) Marks the gleaned protocol address as a candidate for broadcast packets. All broadcast requests are sent to the unicast SMDS address.

smds multicast

To assign a multicast SMDS E.164 address to a higher-level protocol, use the smds multicast interface configuration command. To remove an assigned multicast address, use the no form of this command with the appropriate address.

smds multicast protocol smds-address
no smds multicast protocol smds-address

protocol	Protocol type.
smds-address	SMDS address. Because SMDS does not incorporate broadcast addressing, a group address for a particular protocol must be defined to serve the broadcast function.

smds multicast arp

To map the SMDS address to a multicast address, use the smds multicast arp interface configuration command. Use the no form of this command to disable this feature.

smds multicast arp smds-address [ip-address mask]
no smds multicast arp smds-address [ip-address mask]

smds-address	SMDS address in E.164 format.
ip-address	(Optional) IP address.
mask	(Optional) Subnet mask for the IP address.

smds multicast bridge

To enable spanning tree updates, use the smds multicast bridge interface configuration command. Use the no form of this command to disable this function.

smds multicast bridge smds-address
no smds multicast bridge smds-address

smds-address

SMDS multicast address in E.164 format.

smds multicast ip

To map an SMDS group address to a secondary IP address, use the smds multicast ip interface configuration command. Use the no form of this command to remove the address map.

smds multicast ip smds-address [ip-address mask]
no smds multicast ip smds-address [ip-address mask]

smds-address	SMDS address in E.164 format.
ip-address	(Optional) IP address.
mask	(Optional) Subnet mask for the IP address.

smds static-map

To configure a static map between an individual SMDS address and a higher-level protocol address, use the smds static-map interface configuration command. Use the no form of this command with the appropriate arguments to remove the map.

smds static-map protocol protocol-address smds-address [broadcast]
no smds static-map protocol protocol-address smds-address [broadcast]

protocol	Higher-level protocol. It can be one of the following values: appletalk, clns, decnet, ip, ipx, vines, or xns.
protocol-address	Address of the higher-level protocol.
smds-address	SMDS address, to complete the mapping.
broadcast	(Optional) Marks the specified protocol address as a candidate for broadcast packets. All broadcast requests are sent to the unicast SMDS address.