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This chapter describes the function and displays the syntax of each dial-on-demand routing command. For more information about defaults and usage guidelines, see the corresponding chapter of the Router Products Command Reference publication.
[no] backup delay {enable-delay | never} {disable-delay | never}
To define how much time should elapse before a secondary line status changes after a primary line status has changed, use the backup delay interface configuration command. To return to the default, which means as soon as the primary fails, the secondary is brought up without delay, use the no form of this command.
enable-delay | Number of seconds that elapse after the primary line goes down before the router activates the secondary line. The default is 0 seconds. |
disable-delay | Number of seconds that elapse after the primary line goes up before the router deactivates the secondary line. The default is 0 seconds. |
never | Prevents the secondary line from being activated or deactivated. |
[no] backup interface type number
To configure the serial interface as a secondary or dial backup line, use the backup interface interface configuration command. To disable this feature, use the no form of this command.
type | Interface type. It must be serial. |
number | Serial port to be set as the secondary line. |
[no] backup load {enable-threshold | never} {disable-load | never}
To set traffic load threshold for dial backup service, use the backup load interface configuration command. To return to the default value, use the no form of this command.
enable-threshold | Percentage of the primary line's available bandwidth. |
disable-load | Percentage of the primary line's available bandwidth. |
never | Sets the secondary line to never be activated due to traffic load. |
[no] chat-script script-name expect-send
Use the chat-script global configuration command to create a script that will place a call over a modem. Use the no form of this command to disable the specified chat script.
script-name | Name of the chat script. |
expect-send | Content of the chat script. |
clear dialer [interface type number]
clear dialer [interface serial slot/port] (Cisco 7000 series only)
To clear the values of dialer statistics for one or more serial or BRI interfaces configured for DDR, use the clear dialer privileged EXEC command.
interface | (Optional) Indicates that one interface will be specified. |
type | Interface type, either serial or bri. |
number | Interface number. |
slot/port | On the Cisco 7000 series, specifies the slot and port numbers. |
clear snapshot quiet-time interface
To end the quiet period on a client router within two minutes, use the clear snapshot quiet-time EXEC command.
interface | Interface type and number. |
To configure caller ID screening, use the dialer caller interface configuration command. To disable this feature, use the no form of this command.
number | Telephone number for which to screen. Specify an x to represent a single "don't-care" character. The maximum length of each number is 25 characters. |
[no] dialer dtr
To enable DDR on an interface and specify that the serial line is connected by non-V.25bis modems using EIA signaling only (the data terminal ready [DTR] signal), use the dialer dtr interface configuration command. To disable dial-on-demand routing for the interface, use the no form of this command.
dialer enable-timeout seconds
no dialer enable-timeout
seconds | Time in seconds that the router waits before the next call can occur on the specific interface. Acceptable values are positive, nonzero integers. The default is 15 seconds. |
dialer fast-idle seconds
no dialer fast-idle
seconds | Idle time, in seconds, that must occur on an interface before the line is disconnected. Acceptable values are positive, nonzero integers. The default is 20 seconds. |
dialer hold-queue packets
no dialer hold-queue [packets]
To allow "interesting" outgoing packets to be queued until a modem connection is established, use the dialer hold-queue interface configuration command. To disable a dialer hold queue, use the no form of this command.
packets | Number of packets, in the range 0 to 100 packets, to hold in the queue. This argument is optional with the no form of this command. |
dialer idle-timeout seconds
no dialer idle-timeout
seconds | Idle time, in seconds, that must occur on an interface before the line is disconnected. Acceptable values are positive, nonzero integers. The default is 120 seconds. |
dialer in-band [no-parity | odd-parity]
no dialer in-band
no-parity | (Optional) Indicates that no parity is to be applied to the dialer string that is sent out to the modem on synchronous interfaces. |
odd-parity | (Optional) Indicates that the dialed number has odd parity (7-bit ASCII characters with the eighth bit the parity bit) on synchronous interfaces. |
dialer load-threshold load
no dialer load-threshold
To configure bandwidth on demand by setting the maximum load before the dialer places another call to a destination, use the dialer load-threshold interface configuration command. To disable the setting, use the no form of this command.
load | Interface load beyond which the dialer will initiate another call to the destination. This argument is a number between 1 and 255. |
[no]dialer map protocol next-hop-address
[name hostname] [spc] [speed 56 | 64]
[broadcast]
[modem-script modem-regexp] [system-script
system-regexp]
[dial-string[:isdn-subaddress]]
[no] dialer map protocol next-hop-address [name
hostname] [spc]
[speed 56 | 64] [broadcast]
[dial-string[:isdn-subaddress]]
[no] dialer map bridge
[name hostname] [spc]
[broadcast] [dial-string[:isdn-subaddress]]
[no] dialer map protocol next-hop-address dial-string
[name hostname]
[modem-script modem-regexp] [system-script
system-regexp]
[broadcast]
To configure a serial interface or Integrated Services Digital Network (ISDN) interface to call one or multiple sites, use a form of the dialer map interface configuration command; all options are shown in the first form of the command. To configure a serial interface or ISDN interface to place a call to multiple sites and to authenticate calls from multiple sites, use the second form of the dialer map command. To configure a serial interface or ISDN interface to support bridging, use the third form of the command. To configure an asynchronous interface to place a call to a single site that has no modem script assigned or that requires a system script, or to multiple sites on a single line, on multiple lines, or on a dialer rotary group, use the fourth form of the dialer map command.To delete a particular dialer map entry, use a no form of this command.
protocol | Protocol keyword. See the "Dialer Map Command Supported Protocols" table in the Router Products Command Reference publication for a list of supported protocols and their keywords. |
next-hop-address | Protocol address used to match against addresses to which packets are destined. This argument is not used with the bridge protocol keyword. |
name | (Optional) Indicates the remote system with which the local router communicates. |
hostname | (Optional) Case-sensitive name or ID of the remote device (usually the host name). For routers with ISDN interfaces, if calling line identification (CLI/ANI/caller ID) is provided, the hostname field can contain the number that the calling line ID provides. |
spc | Specifies a semipermanent connection between customer equipment and the exchange; used only in Germany to configure connections between an ISDN BRI and a 1TR6 ISDN switch type. |
speed 56 | 64 | Keyword and value indicating the line speed to use. Used for ISDN only. The default is 64. |
broadcast | Indicates that broadcasts should be forwarded to this protocol address. |
modem-script | (Optional) Indicates the modem script to be used for the connection (for asynchronous interfaces). |
modem-regexp | (Optional) Regular expression to which a modem script will be matched (for asynchronous interfaces). No default scripts are defined for placing calls. |
system-script | (Optional) Indicates the system script to be used for the connection (for asynchronous interfaces). |
system-regexp | (Optional) Regular expression to which a system script will be matched (for asynchronous interfaces). |
dial-string | Telephone number sent to the dialing device when it recognizes packets with the specified next-hop-address that matches the access lists defined. |
:isdn-subaddress | (Optional) Subaddress number used for ISDN multipoint connections. |
dialer map snapshot sequence-number dial-string
no dialer map snapshot [sequence-number]
To define a dialer map for Cisco's snapshot routing protocol on a client router connected to a DDR interface, use the dialer map snapshot interface configuration command. To delete one or more previously defined snapshot routing dialer maps, use the no form of this command.
sequence-number | Number in the range from 1 to 254, inclusive, that uniquely identifies a dialer map. |
dial-string | Telephone number of a remote snapshot server to be called during an active period. |
dialer priority number
no dialer priority
To set the priority of an interface in a dialer rotary group use the dialer priority interface configuration command. Use the no form of this command to revert to the default setting.
number | Specifies the priority of an interface in a dialer rotary group; the highest number indicates the highest priority. A number from 0 to 255. The default value is 0. |
dialer rotary-group number
number | Number of the dialer interface in whose rotary group you want this interface included. An integer that you select that indicates the dialer rotary group; defined by the interface dialer command. A number from 0 to 255. |
dialer string dial-string
no dialer string
dial-string | String of characters to be sent to a DCE. |
dialer wait-for-carrier-time seconds
no dialer wait-for-carrier-time
seconds | Number of seconds that the interface waits for the carrier to come up when a call is placed. Acceptable values are positive, nonzero integers. The default is 30 seconds. |
dialer-group group-number
no dialer-group
To control access, use the dialer-group interface configuration command. To remove an interface from the specified dialer access group, use the no form of this command.
group-number | Number of the dialer access group to which the specific interface belongs. This access group is defined using the dialer-list command. Acceptable values are nonzero, positive integers between 1 and 10. |
[no] dialer-list dialer-group list access-list-number
To group access lists, use the dialer-list list global configuration command. To disable automatic dialing, use the no form of this command.
dialer-group | Specifies the number of a dialer access group identified in any dialer-group interface configuration command. |
access-list-number | Specifies the access list number specified in any IP or Novell IPX access lists including Novell IPX extended, Service Access Point (SAP) access lists and bridging type. See the "Dialer-List List Command Access List Types and Numbers" table in the Router Products Command Reference publication for the supported access list types and numbers. |
dialer-list dialer-group protocol protocol-name {permit | deny |
list access-list-number | access-group}
no dialer-list dialer-group [protocol protocol-name [list
access-list-number | access-group]]
To define a DDR dialer list to control dialing by protocol or by a combination of protocol and access list, use the dialer-list protocol global configuration command. To delete a dialer list, use the no form of this command.
dialer-group | Number of a dialer access group identified in any dialer-group interface configuration command. |
protocol-name | One of the following protocol keywords: appletalk, bridge, clns, clns_es, clns_is, decnet, decnet_router-L1, decnet_router-L2, decnet_node, ip, ipx, vines, or xns. |
permit | (Optional) Permits access to an entire protocol. |
deny | (Optional) Denies access to an entire protocol. |
list | Specifies that an access list will be used for defining a granularity finer than an entire protocol. |
access-list-number | Access list number. Access list numbers include any DECnet, Banyan VINES, IP, Novell IPX, or XNS standard or extended access lists, plus Novell IPX extended, Service Access Point (SAP) access lists and bridging types. See the "Dialer-List Supported Access List Types and Numbers" table in the Router Products Command Reference publication. |
access-group | Filter list name used in the clns filter-set and clns access-group commands. |
encapsulation ppp
interface dialer number
ppp authentication chap [if-needed]
no ppp authentication chap
To enable Challenge Handshake Authentication Protocol (CHAP) on a serial interface, use the ppp authentication chap interface configuration command. Use the no form of this command to disable this feature.
if-needed | (Optional) CHAP authentication is not done on this line if the user has already authenticated. |
ppp authentication pap [if-needed]
no ppp authentication pap
To enable Password Authentication Protocol (PAP) on a serial interface, use the ppp authentication pap interface configuration command. To disable this encapsulation, use the no form of this command.
if-needed | (Optional) PAP authentication is not done on this line if the user has already authenticated. |
script dialer regexp
no script dialer
To specify a default modem chat script, use the script dialer line configuration command. Use the no form of this command to disable this feature.
regexp | Specifies the set of modem scripts that might be executed. The first script that matches the argument regexp will be used. |
show dialer [interface type number]
To obtain a general diagnostic display for serial interfaces configured for DDR, use the show dialer EXEC command.
interface (Optional) Information for only the interface specified by the arguments type and number is to be displayed. type (Optional) Interface type. number (Optional) Interface unit number.
show snapshot [interface]
To display snapshot routing parameters associated with an interface, use the show snapshot EXEC command.
interface | (Optional) Interface type and number. |
[no] snapshot client active-time quiet-time
[suppress-statechange-updates] [dialer]
To configure a client router for snapshot routing, use the snapshot client interface configuration command. To disable a client router, use the no form of this command.
active-time | Amount of time, in minutes, that routing updates are regularly exchanged between the client and server routers. This can be an integer in the range 5 to 100. There is no default value. A typical value would be 5 minutes. |
quiet-time | Amount of time, in minutes, that routing entries are frozen and remain unchanged between active periods. Routes are not aged during the quiet period, so they remain in the routing table as if they were static entries. This argument can be an integer from 8 to 100000. There is no default value. The minimum quiet time is generally the active time plus 3. |
suppress-statechange- | (Optional) Disables the exchange of routing updates each time the line protocol goes from "down" to "up" or from "dialer spoofing" to "fully up." |
dialer | (Optional) Allows the client router to dial up the remote router in the absence of regular traffic. |
[no] snapshot server active-time [dialer]
To configure a server router for snapshot routing, use the snapshot server interface configuration command. To disable a server router, use the no form of this command.
active-time | Amount of time, in minutes, that routing updates are regularly exchanged between the client and server routers. This can be an integer in the range 5 to 100. There is no default value. A typical value would be 5 minutes. |
dialer | (Optional) Allows the client router to dial up the remote router in the absence of regular traffic. |
username name password secret
Posted: Mon Oct 21 11:22:19 PDT 2002
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