Cisco NM-1A-T3 - 1port Ds3 Atm Network Module Support and Manuals
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Popular Cisco NM-1A-T3 Manual Pages
User Guide - Page 1
To reach links to specific feature documentation in this module and to see the "Feature Information for each feature is supported on page 26. You do not need an account on a T3 or E3 connection. The ATM T3/E3 network module is supported, see a list of the releases in which each connection.
All rights reserved.
Configuring the Cisco NM-1A-T3/E3 Network Module
OL-10215-01 First ...
User Guide - Page 2
... remote hosts and routers. A VC is not supported on the ATM T3/E3 network module. Restrictions for the Cisco ATM T3/E3 Network Module
Configuring the Cisco NM-1A-T3/E3 Network Module
• SVCs, page 11 • Customizing the ATM T3/E3 Network Module, page 15 • Configuration Example, page 16 • Recommendations for Watermark Settings, page 16 • Additional References, page...
User Guide - Page 3
... the PVC in both the router and the ATM switch. These switching features can be turned off by using interface configuration commands. Some ATM switches might have point-to -multipoint PVC can write these PVCs into NVRAM; PVCs remain active until the circuit is reloaded. Configuring the Cisco NM-1A-T3/E3 Network Module
Information About the Cisco ATM T3/E3 Network Module
-
User Guide - Page 4
...real-time (VBR-nrt) and real-time (VBR-rt).
How to Configure the ATM T3/E3 Network Module
Configuring the Cisco NM-1A-T3/E3 Network Module
Classes of service:
• Constant Bit Rate (CBR): This class emulates circuit switching. The ATM T3/E3 network module supports four classes of Service
ATM resources can be specified dynamically on the availability of user information.
•...
User Guide - Page 9
... non-real-time VBR. Configuring the Cisco NM-1A-T3/E3 Network Module
How to Configure the ATM T3/E3 Network Module
Configuring the AAL and Encapsulation Type
To configure the ATM adaptation layer (AAL) and encapsulation type on a VC, use the following command, beginning in interface-ATM-VC configuration mode:
Command
Router(config-if-atm-vc)# encapsulation {aal2 | aal5auto | aal5autoppp virtual...
User Guide - Page 10
... following command in the SAR queues reach the high watermark level, the SAR stops processing the ATM cells on the PVCs, use the following command in response to Configure the ATM T3/E3 Network Module
Configuring the Cisco NM-1A-T3/E3 Network Module
Command
Router(config-if-atm-vc)# vbr-rt peak-rate average-rate burst
Purpose Configures real-time VBR. How to flow...
User Guide - Page 11
...:
Router(config-if)# pvc cisco 0/16 ilmi
Purpose Creates an ILMI PVC on ATM subinterfaces. Configuring the Cisco NM-1A-T3/E3 Network Module
SVCs
SVCs
To use the following command in interface configuration mode:
Command
Router(config-if)# atm ilmi-keepalive [seconds]
Example:
Router(config-if)# atm ilmi-keepalive 6
Purpose
Enables ILMI keepalives and sets the interval between keepalives...
User Guide - Page 12
... communicate with the local switch. workstations A, B, and C can be set up only on an ATM main interface, not on ATM subinterfaces. The signaling that uses SVCs. Cisco IOS Release 12.4(15)T
12
SVCs
Configuring the Cisco NM-1A-T3/E3 Network Module
Configuring the PVC That Performs SVC Call Setup
ATM uses out-of -band signaling, a signaling PVC must be configured consistently...
User Guide - Page 13
...and configuring the router with the atm esi-address command negates the atm nsap-address setting. pvc [name] 0/16 ilmi 2.
exit 3. For information about using the atm esi-address command. Configuring the Cisco NM-1A-T3/E3 Network Module
SVCs
Configuring the NSAP Address
Every ATM interface involved with signaling must be configured with a network service access point (NSAP) address. The...
User Guide - Page 15
... cbitplcp. The no form of this command removes T3 ATM framing. Configuring the Cisco NM-1A-T3/E3 Network Module
Customizing the ATM T3/E3 Network Module
Customizing the ATM T3/E3 Network Module
You can customize have default values that will probably suit your system configuration and the protocols you can customize the ATM T3/E3 network module.
However, you might need to be changed...
User Guide - Page 16
Configuration Example
Configuring the Cisco NM-1A-T3/E3 Network Module
Setting the Loopback Mode
To loop all packets back to your ATM interface instead of the Router Configuration Used for Watermark Testing, page 18.
Table 1
Ideal Watermark Settings for watermark settings on the ATM T3/E3 module with a single VC.
For an example of the router configuration, see Traffic Pattern, ...
User Guide - Page 17
... for simulating racing condition.
• Average latency is calculated based on two to ATM cell conversion overhead.
• 64B frame size IXIA traffic streams includes CRC. Configuring the Cisco NM-1A-T3/E3 Network Module
Recommendations for Watermark Settings
Traffic Pattern • The following rates were used: 350 for 1 Mbps; 700 for 2 Mbps; 1750 for 5 Mbps;
and 1500 for 10...
User Guide - Page 18
...bc 625000 conform-action set-dscp-transmit 0 exceed-action set -dscp-transmit 0
policy-map Parent_Map1 class COSQ_NBIP_LABS_TC1_EF priority 5000 625000 service-policy Child_Map3 class COSQ_NBIP_LABS_TC1_COS4...
! !
Cisco IOS Release 12.4(15)T
18
Recommendations for Watermark Settings
Configuring the Cisco NM-1A-T3/E3 Network Module
Example of the Router Configuration Used for the ...
User Guide - Page 19
...)
interface ATM1/0 mtu 1500 bandwidth 5000 no ip address ip virtual-reassembly load-interval 30 atm scrambling cell-payload no ip http secure-server ! ip http server no atm ilmi-keepalive
! Configuring the Cisco NM-1A-T3/E3 Network Module
Additional References
Table 2
Example of network modules
Document Title Cisco Network Modules Hardware Installation Guide
Cisco IOS Release 12.4(15)T
19
User Guide - Page 20
..., such as the Product Alert Tool (accessed from Field Notices), the Cisco Technical Services Newsletter, and Really Simple Syndication (RSS) Feeds. feature, and support for troubleshooting and resolving technical issues with Cisco products and technologies.
Additional References
Configuring the Cisco NM-1A-T3/E3 Network Module
Standards
Standard
Title
No new or modified standards are...
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