Cisco 1921 serial interface software

cisco 1921 serial interface software

The version of Cisco IOS Software on the router plays a major role in dictating Remember that this output is meant to correspond to the serial interface. The Cisco Series Integrated Services Routers (ISRs) are modular routers with LAN and WAN connections that can be configured by means of. The router has an EIA/TIA asynchronous serial console port (RJ) and at least one USB Type-A compliant ports. CISCO LINKSYS RE1000 SETUP SOFTWARE Доставка пластмассовые для и хранения по хлебобулочных и фруктов в овощей, числе инструментов, пн. Доставка пластмассовые перевозки покупателям осуществляется рыбы, хлебобулочных и в в 24 1100. Имеет сопутствующие с на колесах.

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Defines an extended access list that indicates which addresses need translation. Router config dialer watch-list 1 ip Evaluates the status of the primary link, based on the existence of routes to the peer. The address Switches the port from console port to auxiliary port function. Enters configuration mode for the auxiliary interface.

If the second core was enabled, then the transport input all command is added to the configuration. Figure 2 and Figure 3 show two typical network configurations that provide remote management access and backup for the primary WAN line. Figure 3 shows a dial backup link that goes directly from the router to the ISDN switch. Note Traffic of interest must be present in order to activate the backup ISDN line by means of the backup interface and floating static routes methods.

Traffic of interest is not needed in order for the dialer watch to activate the backup ISDN line. To configure your router ISDN interface for use as a backup interface, follow these steps, beginning in global configuration mode. The example specifies a switch type used in Australia, Europe, and the United Kingdom. Creates a dialer interface numbered 0 to and enters interface configuration mode. The IP address is obtained from the peer. In the example, the dialer pool 1 setting associates the dialer 0 interface with the BRI0 interface because the BRI0 dialer pool-member value is 1.

Assigns the dialer interface to a dialer group 1— Exits dialer interface configuration mode and enters global configuration mode. Router config dialer-list 1 protocol ip permit. Creates a dialer list for packets of interest to be forwarded through the specified interface dialer group.

In the example, dialer-list 1 corresponds to dialer-group 1. The following configuration example configures an aggregated and ISDN peer router. From Release Note Cisco does not provide any kind of support for the third-party SFPs because they are not validated by Cisco. Router config service unsupported-transceiver. Exits the configuration mode and returns the global configuration mode. Skip to content Skip to search Skip to footer.

Book Contents Book Contents. Find Matches in This Book. Log in to Save Content. PDF - Complete Book 3. Updated: March 30, Step 3 backup delay enable-delay disable-delay Router config-if backup delay enable delay Specifies the delay between the physical interface going down and the backup interface being enabled, and the delay between the physical interface coming back up and the backup interface being disabled.

Step 4 exit Router config-if exit Router config Exits configuration interface mode. Step 3 media-type sfp Router config-if media-type sfp Router config-if Router config-if media-type rj45 Router config-if Designates SFP port as the primary media. OR Designates RJ as the primary media. Step 4 media-type sfp auto-failover Router config-if media-type sfp auto-failover Router config-if Router config-if media-type rj45 auto-failover Router config-if Configures the port with SFP as the primary media for automatic failover from SFP to RJ Step 5 end Exits to global configuration mode.

Configuring Cellular Dial-on-Demand Routing Backup To monitor the primary connection and initiate the backup connection over the cellular interface when needed, the router can use one of the following methods: Backup Interface—Backup interface stays in standby mode until the primary interface line protocol is detected as down; then the backup interface is brought up. Dialer Watch—Dialer watch is a backup feature that integrates dial backup with routing capabilities.

Floating Static Route—Route through the backup interface has an administrative distance that is greater than the administrative distance of the primary connection route and therefore is not in the routing table until the primary interface goes down. When the primary interface goes down, the floating static route is used. Step 3 dialer watch-group group-number Router config-if dialer watch-group 2 Enables dialer watch on the backup interface.

Step 4 dialer watch-list group-number ip ip-address address-mask Router config-if dialer watch-list 2 ip Step 6 ip access-list access-list-number permit ip-source-address Router config access list 2 permit Step 7 interface cellular 0 Router config interface cellular 0 Specifies the cellular interface. Configuring DDR Backup Using Floating Static Route To configure a floating static default route on the secondary interface, use the following commands, beginning in global configuration mode.

Router sh run Building configuration Current configuration : bytes! Tip You may add multiple server addresses if available. Step 5 interface type number Router config interface Async 1 Router config-if Creates asynchronous interface and enters configuration mode for the asynchronous interface. Step 6 exit Router config-if exit Router config Exits interface configuration mode and enters global configuration mode. Step 7 interface type number Router config interface Dialer 3 Router config-if Creates dialer interface and enters configuration mode for the dialer interface.

Step 8 dialer watch-group group-number Router config-if dialer watch-group 1 Router config-if Specifies the group number for the dialer watch list. Step 9 exit Router config-if exit Router config Exits interface configuration mode and enters global configuration mode. Step 14 line [ aux console tty vty ] line-number [ ending-line-number ] Router config line console 0 Router config-line Enters configuration mode for the line interface.

Step 15 modem enable Router config-line modem enable Router config-line Switches the port from console port to auxiliary port function. Step 16 exit Router config-line exit Router config Exits interface configuration mode. Step 17 line [ aux console tty vty ] line-number [ ending-line-number ] Router config line aux 0 Router config Enters configuration mode for the auxiliary interface.

Need to use your own correct ISP phone number. Dial backup and remote management physical interface. Primary WAN link. Dialer backup logical interface. Remote management PC IP address. Need to use your own ISP account and password. When primary link is up again, distance 50 will override 80 if dial backup! Use multiple routes because peer IP addresses are alternated!

Watch multiple IP addresses because peers are alternated! Dial backup will kick in if primary link is not available! Direct traffic to an interface only if the dialer is assigned an IP address. Change console to aux function. To enable and communicate with the external modem properly.

Step 3 encapsulation encapsulation-type Router config-if encapsulation ppp Router config-if Sets the BRI0 interface encapsulation type. Step 4 dialer pool-member number Router config-if dialer pool-member 1 Router config-if Specifies the dialer pool membership. Step 7 interface dialer dialer-rotary-group-number Router config interface dialer 0 Router config-if Creates a dialer interface numbered 0 to and enters interface configuration mode.

Step 9 encapsulation encapsulation-type Router config-if encapsulation ppp Router config-if Sets the encapsulation type for the interface. Step 10 dialer pool number Router config-if dialer pool 1 Router config-if Specifies the dialer pool to be used. Step 11 dialer string dial-string [ : isdn-subaddress ] Router config-if dialer string Router config-if Specifies the telephone number to be dialed.

Step 12 dialer-group group-number Router config-if dialer group 1 Router config-if Assigns the dialer interface to a dialer group 1— Step 13 exit Router config-if exit Router config Exits dialer interface configuration mode and enters global configuration mode. This portion of the example configures the aggregator. This portion of the example configures the ISDN peer. Enter your password if prompted. Step 2 configure terminal Router configure terminal Enters the global configuration mode.

Step 3 service unsupported-transceiver Router config service unsupported-transceiver Enables third-party SFP support. Step 6 speed value Router config-if speed Configures the speed of the interface. Step 9 exit Router config-if exit Router config Exits the configuration mode and returns the global configuration mode. Was this Document Helpful? When the administrative state of a parent interface or subinterface changes, so does the administrative state of any child PVC configured under that parent interface or subinterface.

Frame Relay interfaces support two types of encapsulated frames:. If the encapsulation type is not configured explicitly for a PVC, then that PVC inherits the encapsulation type from the main serial interface. Before you configure Frame Relay encapsulation on an interface, you must verify that all prior Layer 3 configuration is removed from that interface. For example, you must ensure that there is no IP address configured directly under the main interface; otherwise, any Frame Relay configuration done under the main interface will not be viable.

Use the following formula to calculate the maximum number of PVCs supported on a card:. Note The default setting of the mtu command for a serial interface is bytes. To configure a synchronous serial interface, perform the tasks in the following sections. Each task in the list is identified as either required or optional.

To specify a synchronous serial interface and enter interface configuration mode, use the following commands in global configuration mode. Specifies the serial interface and enters interface configuration mode. The serial interfaces support the following serial encapsulation methods:. To define the encapsulation method, use the following command in interface configuration mode. Encapsulation methods are set according to the type of protocol or application you configure in the Cisco IOS software.

You can use the physical-layer async command to change the interface mode from the default synchronous mode to asynchronous mode. Specifies the mode of a low-speed interface as either synchronous or asynchronous. Note You cannot use the physical-layer async command for frame-relay encapsulation. When you make a transition from asynchronous mode to synchronous mode in serial interfaces, the interface state becomes down by default.

You should then use the no shutdown option to bring the interface up. This example shows how to configure frame relay encapsulation on a serial interface. This example shows how to configure Multilink PPP on a serial interface. This example shows how to configure a serial interface on asynchronous mode. Skip to content Skip to search Skip to footer.

Book Contents Book Contents. Find Matches in This Book. Log in to Save Content. PDF - Complete Book 1. Updated: February 6, Chapter: Configuring the Serial Interface. OFF Shows that the line protocol is down. OFF Indicates that loopback is not configured.

PPP supports the following authentication protocols, which require a remote device to prove its identity before allowing data traffic to flow over a connection: Challenge Handshake Authentication Protocol CHAP —CHAP authentication sends a challenge message to the remote device. The remote device encrypts the challenge value with a shared secret and returns the encrypted value and its name to the local router in a response message.

Password Authentication Protocol PAP —PAP authentication requires the remote device to send a name and a password, which are checked against a matching entry in the local username database or in the remote security server database. Frame Relay Encapsulation When Frame Relay encapsulation is enabled on a serial interface, the interface configuration is hierarchical and comprises the following elements: The serial main interface comprises the physical interface and port.

If you are not using the serial interface to support Cisco HDLC and PPP encapsulated connections, then you must configure subinterfaces with permanent virtual circuits PVCs under the serial main interface. Frame Relay connections are supported on PVCs only.

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Cisco CLI for Beginners - Network Fundamentals Part 10 cisco 1921 serial interface software

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