- Cisco 10000 Series Router Line Card Configuration Guide
Table Of Contents
1-Port OC-12 ATM Line Card Configuration
Checking Hardware and Software Compatibility
Shaped UBRs on the OC-12 ATM Line Card
Interface Configuration Samples
Interface and Subinterface Commands
Creating and Entering Subinterfaces
Attaching an ATM VC Class to an Interface
Activating ATM ILMI PVC Discovery
Specifying the ATM ILMI Keepalive Rate
Controlling ATM Alarm Reporting
Specifying the ATM Alarm Thresholds
Controlling the S1 SONET Overhead Byte
Attaching an ATM VC Class to a PVC
Enabling OAM Loopback Cell Generation and Management
1-Port OC-12 ATM Line Card Configuration
This chapter describes procedures for configuring the Cisco 10000 series 1-Port OC-12 ATM line card, hereafter known as the 1-Port OC-12 ATM line card.
The 1-Port OC-12 ATM line card is a trunk uplink for the Cisco 10000series routers that provides IP packet routing over ATM virtual circuit connections using a single-mode fiber intermediate reach SC connector.
This chapter contains the following sections:
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Interface Configuration Samples
Software Support
Table 3-1 shows the minimum Cisco IOS release on each release train that supports the 1-Port OC-12 ATM line card.
Checking Hardware and Software Compatibility
The PRE installed in the Cisco 10000 series router chassis must support the Cisco IOS software running on the router. Use the show version command to check the PRE version installed.
To see if a feature is supported by a Cisco IOS release, to locate the software document for that feature, or to check the minimum software requirements of Cisco IOS software with the hardware installed on your router, Cisco maintains the Software Advisor tool on Cisco.com at http://www.cisco.com/pcgi-bin/Support/CompNav/Index.pl
This tool does not verify whether line cards within a system are compatible, but does provide the minimum Cisco IOS requirements for individual hardware line cards, modules, or options.
You must be a registered user on Cisco.com to access this tool.
Default Values
Table 3-2 lists default configuration values for the 1-Port OC-12 ATM line card. This table also includes the command used to modify a default value, and provides information about values to set on the remote end of the connection.
Line Card VC Limitations
The Cisco 10000 series router supports four ATM service categories for virtual circuits (VCs):
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The segmentation and reassembly (SAR) mechanism configures priority and additional traffic management parameters for the various ATM service categories. Table 3-3 lists the priority levels the SAR sets for the service categories.
Table 3-3 ATM Service Categories
Priority
0
1
2
3
None
The number of SAR priority levels and the service categories supported at each priority level vary from line card to line card. For example, the 1-port OC-12/STM-1 line card supports the four levels of priority and the service categories listed in Table 3-4.
The ATM line cards support a maximum number of VCs per priority. That VC limit depends on the VC limit of the SAR (SAR limit) and the number of priority levels configured. Table 3-4 describes how to determine the VC limit per priority level for the 1-port OC-12/STM-1 line card.
Configuring more channels or VCs than there are available priority locations can cause random channels or VCs to get stuck in the SAR. This occurs when an active channel tries to reschedule itself, but no priority locations are available. Therefore, the channel cannot find a place to reschedule itself, which results in a lost event for the channel, and the channel becomes stuck in the SAR.
On the PRE2, when a VC becomes stuck in the SAR, the PRE2 scheduler stops forwarding traffic on only the VC that is stuck in the SAR; the other VCs still carry traffic. On the PRE3, the PRE3 scheduler stops forwarding traffic on all the VCs configured on that ATM line card.
Shaped UBRs on the OC-12 ATM Line Card
On an OC-12 ATM line card, when you configure UBR PVCs with a shaped value (UBR-PCR) and the shaped value is greater than one-half of the line rate (for example, 299,520 Kbps), the following limitations apply:
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16,384 > (number of VCs at 299,520 and above * 2) + (number of VCs below 299,520)
At any time, if more VCs are active than the allowed number above, the SAR on the line card leaks buffers, which results in a reduced buffer pool for active VCs and the SAR might fail if enough buffers are lost. To recover the lost buffers, reboot the system.
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If you change the shaping rate from 599,040 to a lower rate, the LP shaper in VTMS allows the average rate to be met. However, during traffic bursts, ATM-level shaping is not accurate.
Interface Syntax
To specify an interface number in a configuration command, use the syntax in Table 3-5 to identify interfaces on the 1-Port OC-12 ATM line card.
Table 3-5 1-Port OC-12 ATM Interface Syntax
Main interface
1 to 8/
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Subinterface
1 to 8/
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1 to 4294967295
Examples:
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Router(config)# interface atm 2/0/0Router(config-if)# pvc 0/200Router(config-if-atm-vc)#•
Router(config)# interface atm 7/0/0.1Router(config-subif)# pvc 0/101Router(config-if-atm-vc)#Interface Configuration Samples
This section provides sample procedures for creating subinterfaces, permanent virtual circuits (PVCs), virtual circuit (VC) classes, and for enabling Integrated Local Management Interface (ILMI).
Creating a Subinterface
Use the following procedure to create a subinterface.
Step 1
In the following example, multipoint subinterface number 1 is created on an 1-Port OC-12 ATM line card in slot 2.
Router(config)# interface atm 2/0/0.1 multipointRouter(config-subif)#Step 2
Router(config-subif)# ip address 172.27.48.209 255.255.0.0Router(config-subif)#You have created interface 2/0/0.1. To enter this interface, use the following command:
Router(config)# interface atm 2/0/0.1Router(config-subif)#
Creating a PVC
You can create up multiple PVCs on the 1-Port OC-12 ATM line card interface. You can create PVCs on the main interface or on a subinterface.
To create a PVC
Step 1
Use the pvc command to specify a virtual path identifier (VPI) value between 0 and 255 and a virtual channel identifier (VCI) value between 0 and 65535. The following example creates a PVC with a VPI value of 0 and VCI value of 100 on a subinterface.
Router(config-subif)# pvc 0/100Router(config-if-atm-vc)#Step 2
Router(config-if-atm-vc)# protocol ip 172.16.32.49Router(config-if-atm-vc)#
Creating a VC Class
This procedure demonstrates how to create an ATM VC class. An ATM VC class is a PVC boilerplate—a PVC description that you can apply to one or more PVCs.
Step 1
Router(config)# vc-class atm bostonRouter(config-vc-class)#Step 2
Router(config-vc-class)# encaps aal5mux ipRouter(config-vc-class)# vbr-nrt 30000 20000 128Router(config-vc-class)# exitRouter(config)#You have created a VC class named boston. The next procedure describes how to apply this class to a PVC or subinterface.
Applying a VC Class
You can apply a VC class (created in the previous procedure) to a PVC or an interface.
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Router(config)# interface atm 5/0/0.1Router(config-subif)# class-int bostonRouter(config-subif)#•
Router(config)# interface atm 5/0/0.2Router(config-subif)# pvc 0/102Router(config-if-atm-vc)# class-vc bostonRouter(config-if-atm-vc)#You have completed the steps for assigning a VC class to a PVC.
Enabling ILMI PVC Discovery
You can enable ILMI to automatically discover PVCs on neighboring switches and duplicate those PVC entries on the 1-Port OC-12 ATM line card.
To enable ILMI
Step 1
Router(config)# interface atm 5/0/0Router(config-if)# pvc 0/16 ilmiRouter(config-if-atm-vc)# exitRouter(config-if)#Step 2
Router(config-if)# atm ilmi-pvc-discoveryYou have completed the steps required for running ILMI PVC discovery. You can use the show atm pvc command to display the PVCs on the Cisco 10000 series router.
Completing a Configuration
This section offers general information on completing a configuration of an 1-Port OC-12 ATM line card.
Step 1
Step 2
Step 3
Router# copy running-config startup-configThe system displays an OK message when the configuration is stored. After you have completed your configuration, you can check it by using show commands.
Commands
The 1-Port OC-12 ATM line card consists of a single OC-12 interface. You can put all the PVCs on this interface, or you can create subinterfaces. This section describes the principal commands for customizing interfaces and PVCs:
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Global Configuration Command
A PVC boilerplate is a PVC description that you can apply to one or more PVCs or interfaces
To create a PVC boilerplate, use the global configuration mode vc-class atm command.
vc-class atm class_name
Where class_name is any word that describes the class.
After you create the class, you enter VC class configuration mode. In this mode, you describe the action you want the class to take by entering commands and arguments. These commands and arguments are described in the "ATM PVC Commands" section.
In the following example, an ATM VC class named cambridge is created and defined. This example shows how to specify that the class uses AAL5+MUX encapsulation and a VBR-NRT PVC.
Router(config)# vc-class atm cambridgeRouter(config-vc-class)# encaps aal5mux ipRouter(config-vc-class)# vbr-nrt 30000 20000 128Router(config-vc-class)# exitRouter(config)#For information on applying a VC class name, see the "Attaching an ATM VC Class to an Interface" section and the "Attaching an ATM VC Class to a PVC" section.
Interface and Subinterface Commands
This section describes principal commands for configuring ATM interfaces and subinterfaces. This section describes the following global configuration commands:
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Creating and Entering Subinterfaces
Use the interface command to divide the 1-Port OC-12 ATM line card interface into multiple subinterfaces to simplify management of the card, create interfaces with different MTU sizes, and create connections to different networks.
interface atm slot/subslot/port.subinterface typeno interface atm slot/subslot/port.subinterface typeWhere:
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To enter the subinterface at a later time, you do not need to specify the type.
To remove a subinterface and its PVCs, use the no interface command. To change a subinterface type, you must first remove the subinterface.
Examples:
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Router(config)# interface atm 1/0/0.1 point-to-pointRouter(config-subif)#•
Router(config)# interface atm 1/0/0.1Router(config-subif)#•
If you want multiple PVCs to go to the same network, you must create a multipoint subinterface. For example:
Router(config)# interface atm 4/0/0.2 multipointRouter(config-subif)#After creating the subinterface, you can create PVCs that go to the same network. Figure 3-1 shows a multipoint subinterface on a fully meshed network. Fully meshed indicates that any workstation can communicate with any other workstation.
Figure 3-1 Multipoint ATM Configuration
Table 3-6 provides the configuration commands used to configure the multipoint connections in the network shown in Figure 3-1.
Attaching an ATM VC Class to an Interface
To attach an ATM VC class to an interface, use the class-int command. If you customize a PVC, its customization takes precedence over the interface class.
class-int class_nameWhere class_name is the name of the class created using the global configuration class-vc atm command.
In the following example, a VC class named cambridge is created and attached to subinterface 3/0/0.1.
Router(config)# vc-class atm cambridgeRouter(config-vc-class)# encaps aal5mux ipRouter(config-vc-class)# vbr-nrt 30000 20000 128Router(config-vc-class)# exitRouter(config)# interface atm 3/0/0.1Router(config-subif)# class-int cambridgeCreating ATM PVPs
To create a permanent virtual path (PVP) used to multiplex one or more VBR-NRT VCs, use the atm pvp interface configuration command.
atm pvp vpi peak-rate [no-f4-oam]no atm pvp vpiWhere:
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To verify the configuration of a PVP, use the show atm vp EXEC command.
The following example shows how to create a PVP with a peak rate of 50000 Kbps. The subsequent VCs created are multiplexed onto this virtual path.
Router(config)# interface atm 7/0/0Router(config-if)# atm pvp 25 50000Router(config-if)# pvc 25/100Router(config-if-atm-vc)# vbr-nrt 10000 5000 16Router(config-if-atm-vc)# exitRouter(config-if)# pvc 25/101Router(config-if-atm-vc)# vbr-nrt 10000 5000 16Router(config-if-atm-vc)# exitRouter(config-if)# pvc 25/102Router(config-if-atm-vc)# vbr-nrt 10000 5000 16Router(config-if-atm-vc)# exitCreating a PVC
You can create a unspecified bit rate (UBR) PVC by entering the pvc command:
pvc [word] [vpi_value/]{vci_value} [ilmi]Where:
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By default, the pvc command creates a UBR PVC; to create a VBR-NRT PVC, see the "Configuring VBR-NRT" section.
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Examples:
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Router(config)# interface atm 5/0/0Router(config-if)# pvc 105Router(config-if-atm-vc)•
Router(config)# interface atm 5/0/0.1Router(config-subif)# pvc 2/102Router(config-if-atm-vc)#Enabling ATM ILMI
Use the atm ilmi-enable interface configuration command to enable the ILMI on a port.
atm ilmi-enableno atm ilmi-enableThe default is ILMI is enabled, but you should disable the ILMI if the peer does not support ILMI. In order for peers to exchange ILMI information, you must create PVC 0/16, using the ilmi argument.
The following example disables ILMI:
Router(config)# interface atm 5/0/0Router(config-if)# no atm ilmi-enableActivating ATM ILMI PVC Discovery
To activate ATM PVC discovery, use the atm ilmi-pvc-discovery interface configuration command. This command causes ILMI-compliant devices to propagate PVCs.
atm ilmi-pvc-discovery [subinterface]no atm ilmi-pvc-discovery [subinterface]Where:
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Note
The following example shows how to enable PVC Discovery on the ATM main interface 7/0/0 on an 1-Port OC-12 ATM line card that has ILMI enabled.
Router(config)# interface atm 7/0/0Router(config-if)# pvc 0/16 ilmiRouter(config-if-atm-vc)# exitRouter(config-if)# atm ilmi-pvc-discoverySpecifying the ATM ILMI Keepalive Rate
To specify the ILMI keepalive rate, enter the atm ilmi-keepalive command.
atm ilmi-keepalive [seconds [retry counts]]Where:
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The default value for seconds is 5000 and for retry counts is 4.
The following example shows how to enable ILMI keepalives for the ATM interface 5/0/0:
Router(config)# interface atm 5/0/0Router(config-if)# atm ilmi-keepalive 10000 retry 3Configuring ATM Clock
To configure the clock source as internal, use the atm clock internal command:
atm clock internalno atm clock internalThe default clock setting is no atm clock internal, which means that clocking is derived from the line.
In the following example, clocking is set from the router.
Router(config)# interface atm 5/0/0Router(config-if)# atm clock internalSpecifying the ATM Flag
To specify the ATM flag value for the s1s0 bit, use the atm flag s1s0 command. This command is typically used to meet a standards requirement or to ensure interoperability with another vendor's equipment.
atm flag s1s0 valueWhere:
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The default s1s0 value is 0.
The following example assigns a value of 2 to the ATM flag:
Router(config)# interface atm 5/0/0Router(config-if)# atm flag s1s0 2Controlling ATM Alarm Reporting
To control selected SONET alarms so that they are logged to the console for an ATM interface, use the atm report interface configuration command.
atm report {b1-tca | b2-tca | b3-tca | lais | lcd | lrdi | pais | plop | prdi | rdool | sd-ber | sf-ber | slof | slos}no atm report {b1-tca | b2-tca | b3-tca | lais | lcd | lrdi | pais | plop | prdi | rdool | sd-ber | sf-ber | slof | slos}Where:
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To disable logging of select SONET alarms, use the no form of this command.
Reporting an alarm means that the alarm can be logged to the console. Not all alarms are logged. SONET alarm hierarchy rules dictate that only the most severe alarm of an alarm group is reported. Whether an alarm is reported or not, you can view the current state of a defect by checking the Active Defects line from the show controllers atm command output. A defect is a problem indication that is a candidate for an alarm.
The following example shows how to enable reporting of SD-BER and LAIS alarms on the interface:
Router(config)# interface atm 3/0/0Router(config-if)# atm report sd-berRouter(config-if)# atm report laisRouter(config-if)# endRouter#Specifying the ATM Alarm Thresholds
Specify the bit error rate (BER) threshold by using the atm threshold command:
atm threshold {b1-tca | b2-tca | b3-tca | sd-ber | sf-ber} valueWhere:
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The default for all thresholds, except sf-ber, is 10-6. The default for sf-ber is 10-3.
The following example shows how to specify the B1 BER threshold crossing alarm value of 4:
Router(config)# interface atm 5/0/0Router(config-if)# atm threshold b1-tca 4Controlling the S1 SONET Overhead Byte
On Cisco 10000 series routers, ATM line cards run over SONET. In most situations, the default value for the S1 SONET overhead byte (0x0) does not need to be changed. Refer to the SONET standards for information about the possible values for the S1 SONET overhead byte and the definition of each value.
Controlling a Transmitted S1 Overhead Byte
In Cisco IOS Release 12.2(28)SB, use the pos flag s1-byte tx command in interface configuration mode to control the transmission of the S1 SONET overhead byte.
pos flag s1-byte tx value
Where:
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In the following example the S1 SONET overhead byte is set to 0xF:
pos flag s1-byte tx 0xFReacting to a Received S1 Overhead Byte
In Cisco IOS Release 12.2(28)SB, use the pos flag s1-byte rx-communicate command to direct the router to switch the clock source to internal when it receives an S1 SONET overhead byte with a value of 0xF. When the S1 SONET overhead byte changes from 0xF to any other value, the clock source reverts back to the clock source specified in the user configuration.
The S1 overhead byte is ignored by the receiving router unless the pos flag s1-byte rx-communicate command is issued.
pos flag s1-byte rx-communicate
no pos flag s1-byte rx-communicate
The following example directs the router to switch to internal clocking when it receives an S1 SONET overhead byte with a value of 0xF:
pos flag s1-byte rx-communicateThe default for the pos flag s1-byte rx-communicate command is disabled or off.
Running Loopbacks
You can run a loopback by using the loopback command:
loopback {line | diagnostic {parallel | path | serial}}no loopback {line | diagnostic {parallel | path | serial}}Where:
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The following example shows hot to run the diagnostic serial loopback:
Router(config)# interface atm 5/0/0Router(config-if)# loopback diagnostic serialATM PVC Commands
After you create a PVC using the pvc command, you can customize the PVC or a VC class by using the commands described in this section.
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Specifying a Protocol
Use the protocol ip command in interface-ATM-VC configuration mode or VC-class configuration mode to do one or both of the following:
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protocol ip {protocol-address | inarp} [[no] broadcast]no protocol ip {protocol-address | inarp} [[no] broadcast]Where:
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For PVCs created under point-to-point subinterfaces, broadcast is enabled by default. For PVCs created under multipoint subinterfaces, you should use the broadcast argument if you want to propagate IP routes.
Use the no form of this command to remove a static map or disable Inverse ARP.
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The following example shows how to specify IP protocol on an ATM PVC:
Router(config)# interface atm 5/0/0Router(config-if)# pvc 0/105Router(config-if-atm-vc)# protocol ip 172.16.32.49Configuring a Broadcast
To configure broadcast packet duplication and transmission for an ATM PVC or VC class, use the broadcast command.
The broadcast command is not used to enable ATM cell-level multicast, broadcast, replication, or to set up the broadcast of user level traffic. The broadcast command indicates which PVC (or PVCs) sends out broadcast traffic. This is typically limited to traffic associated with routing protocols and routing updates (for example, OSPF hello packets).
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Use the default form of this command to restore the default behavior described below.
broadcastno broadcastThe default is broadcast.Use the no form of this command to disable transmission of broadcast packets.For PVCs created under point-to-point subinterfaces, broadcast is enabled by default. For PVCs created under multipoint subinterfaces, you should use the broadcast command if you want to propagate IP routes (only the first PVC on a multipoint interface receives broadcast traffic).
The following example shows how to use the broadcast command to restore the default behavior:
Router(config)# interface atm 5/0/0.4Router(config-subif)# pvc 0/105Router(config-if-atm-vc)# broadcastRouter(config-if-atm-vc)#Configuring Inverse ARP
To configure the Inverse ARP time period for an ATM PVC or VC class, use the inarp command in interface-ATM-VC configuration mode or VC-class configuration mode.
inarp minutesno inarp minutesWhere minutes is the Inverse ARP frequency from 1 to 60 minutes.
The default frequency is 15 minutes.Use the no form of this command to restore the default Inverse ARP time period behavior.
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The following example shows how to specify an Inverse ARP frequency of 40 minutes on an ATM PVC:
Router(config)# interface atm 5/0/0Router(config-if)# pvc 0/105Router(config-if-atm-vc)# inarp 40Attaching an ATM VC Class to a PVC
To attach an ATM VC class to a PVC, use the class-vc command.
class-vc nameWhere:
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The following example shows how to assign an ATM VC class named boston to an ATM PVC:
Router(config)# interface atm 5/0/0.4Router(config-subif)# pvc 2/100Router(config-if-atm-vc)# class-vc bostonConfiguring VBR-NRT
To configure the variable bit rate-nonreal time (VBR-NRT) traffic management type and specify output peak cell rate, output sustainable cell rate, and output maximum burst cell size for an ATM PVC or VC class, use the vbr-nrt command. Use vbr-nrt in interface-ATM-VC configuration mode or VC-class configuration mode.
vbr-nrt peak_cell_rate sustainable_cell_rate maximum_burst_sizeno vbr-nrt peak_cell_rate sustainable_cell_rate maximum_burst_sizeWhere:
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The default class of service is unspecified bit rate (UBR) running at the maximum line rate of the physical interface.
Use the no form of this command to remove the VBR-NRT parameters and return the PVC to its default of unspecified bit rate (UBR).
You can create up to 254 VBR-NRT PVCs on an 1-Port OC-12 ATM line card.
The following example shows how to configure the VBR-NRT traffic parameters on an ATM PVC:
Router(config)# interface atm 5/0/0Router(config-if)# pvc 0/105Router(config-if-atm-vc)# vbr-nrt 50000 20000 200Specifying Encapsulation
To specify the ATM adaptation layer (AAL) and encapsulation type for an ATM PVC or VC class, use the encapsulation command in interface-ATM-VC configuration mode or VC-class configuration mode.
encapsulation {aal5mux ip | aal5snap}no encapsulation {aal5mux ip | aal5snap}Where:
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Use the no form of this command to remove an encapsulation from a PVC or VC class.
The following example shows how to specify aal5mux ip encapsulation for an ATM PVC:
Router(config)# interface atm 5/0/0.4Router(config-subif)# pvc 0/105Router(config-if-atm-vc)# encaps aal5mux ipEnabling ILMI Management
To enable ILMI management on an ATM PVC, use the ilmi manage command in interface-ATM-VC configuration mode or VC-class configuration mode. This command changes the convergence of higher-level protocols based on link-state changes.
ilmi manageno ilmi manageUse the no form of this command to disable ILMI management.The following example shows how to enable ILMI management on an ATM PVC:
Router(config)# interface atm 5/0/0Router(config-if)# pvc 0/105Router(config-if-atm-vc)# ilmi manageConfiguring OAM Retry
To configure OAM retry, use the oam retry command in interface-ATM-VC configuration mode or VC-class configuration mode.
oam retry up_value [down_value frequency]no oam retry up_value [down_value frequency]Where:
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Default is 3 retries.
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Default is 5 retries.
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Default is 1 second.
Use the no form of the command to remove oam retry parameters.
The following example shows how to configure OAM retry to an ATM PVC:
Router(config)# interface atm 5/0/0Router(config-if)# pvc 0/105Router(config-if-atm-vc)# oam retry 10 10 5Enabling OAM Loopback Cell Generation and Management
To enable end-to-end F5 OAM loopback cell generation and OAM management for an ATM PVC or VC class, use the oam-pvc command in interface-ATM-VC configuration mode or VC-class configuration mode.
oam-pvc [manage] [frequency]no oam-pvc [manage] [frequency]Where:
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The default value is 10 seconds.
Use the no form of this command to disable generation of OAM loopback cells and OAM management.
The following example enables OAM loopback cell and OAM management to an ATM PVC:
Router(config)# interface atm 5/0/0Router(config-if)# pvc 0/105Router(config-if-atm-vc)# oam-pvc 300Useful show Commands
show atm vc
Use the show atm vc command to display information about the VCs on the interface.
Router# show atm vcVCD / Peak Avg/Min BurstInterface Name VPI VCI Type Encaps Kbps Kbps Cells Sts2/0/0 1 0 16 PVC ILMI 599040 UP2/0/0 9 0 100 PVC MUX 599040 UP2/0/0.2 7 2 32 PVC SNAP 599040 UP2/0/0 8 2 33 PVC SNAP 599040 UP2/0/0 18 2 100 PVC SNAP 599040 UP2/0/0.2 6 4 24 PVC SNAP 599040 UP2/0/0 2 25 3 PVC F4-OAM 50000 UP2/0/0 3 25 4 PVC F4-OAM 50000 UP2/0/0 14 25 100 PVC SNAP 50000 50000 0 UP2/0/0 16 25 101 PVC SNAP 50000 50000 0 UP2/0/0 17 25 102 PVC SNAP 50000 50000 0 UP2/0/0 10 26 3 PVC F4-OAM 50000 UP2/0/0 11 26 4 PVC F4-OAM 50000 UP2/0/0 12 27 3 PVC F4-OAM 50000 UP2/0/0 13 27 4 PVC F4-OAM 50000 UP2/0/0 19 33 100 PVC SNAP 10000 8000 10 UPRouter#show atm vp
Use the show atm vp command to display information about the VPs on the interface.
Router# show atm vpData CES Peak CESInterface VPI VCs VCs Kbps Kbps StatusATM2/0/0 25 3 0 50000 0 ACTIVEATM2/0/0 26 0 0 50000 0 ACTIVEATM2/0/0 27 0 0 50000 0 ACTIVERouter#show atm pvc
Use the show atm pvc vpi_number/vci_number command to display detailed information about a specific PVC.
Router# show atm pvc 0/100ATM2/0/0: VCD: 9, VPI: 0, VCI: 100UBR, PeakRate: 599040AAL5-MUX, etype:0x800, Flags: 0xC23, VCmode: 0x0OAM frequency: 0 second(s), OAM retry frequency: 1 second(s)OAM up retry count: 3, OAM down retry count: 5OAM Loopback status: OAM DisabledOAM VC state: Not ManagedILMI VC state: Not ManagedInARP DISABLEDInPkts: 0, OutPkts: 0, InBytes: 0, OutBytes: 0InPRoc: 0, OutPRoc: 0, Broadcasts: 0InFast: 0, OutFast: 0, InAS: 0, OutAS: 0InPktDrops: 0, OutPktDrops: 0Out CLP=1 Pkts: 0OAM cells received: 0F5 InEndloop: 0, F5 InSegloop: 0, F5 InAIS: 0, F5 InRDI: 0OAM cells sent: 0F5 OutEndloop: 0, F5 OutSegloop: 0, F5 OutRDI: 0OAM cell drops: 0PVC Discovery: NOT_VERIFIEDStatus: UPRouter#
