Key Features: • Li Linu nuxx®-based router stack optimized for the AR7 platform enabling addition of functional blocks for
Product Brief
AR7 ADSL Network Support Package (NSP) Texas Instruments’ Ins truments’
highly interoperable solution to
(TI) Network Support
modem manufacturers worldwide.
Package (NSP) is a
Three different configurations are
®
Linux -based router
available from a base router solution
software stack for the AR7 cus-
up to a high-end VoIP Residential
tomer premises ADSL reference
Gateway with 802.11b/g WLAN solu-
designs, providing the network
tion giving developers the right mix
protocols, bridging, gateway,
of features needed for their products.
routing and management features needed to quickly and easily
functionality to the system. Inbound
design feature-rich customer
and outbound Quality of Service is
premises modems.
now available that optimizes the
The NSP recently added new
NSP includes optimizations to
CPU for the most important traffic.
extract the maximum performance
The infrastructure for DSL Forum’s
from a Linux based router solu-
TR-069 is included in the release
tion. It includes an advanced QoS
package so manufacturers can easily
implementation which allows it to
extend the management parameters
meet ADSL/ADSL2/ADSL2+ data
and objects needed by Service
rates. The optimizations include
Providers. AR7-powered solutions
specific enhancements to ensure
are stronger than ever.
sustained high quality voice even
TI’s AR7 product line provides a
under heavy data traffic. It is a robust software package with an
complete ADSL router reference design solution, from the industry
optimized architecture easily con-
leading AR7 silicon, to field-proven
figured for high volume deploy-
reference designs, to a comprehensive
ments. In addition to the many
software stack. The NSP runs on
standard Gateway Routing features
TI’s Residential Gateway processors
it supports, the NSP can also be
which share a common architecture
used in conjunction with TI
with TI’s other broadband
Wireless 802.11 AP and Voice over
products enabling manufacturers
IP software.
additional flexibility and design
Developed by TI, the NSP takes
reuse, thus making it the perfect
advantage of software core compe-
platform for the one-box home
tencies to offer a field-proven and
networking solution.
increased system differentiation • Included in AR7 Reference Design Package made up of the AR7 Evaluation Module, ADSL physical layer (PHY) firmware, device drivers, network processor drivers and network layer management software • Seamless integration integration with TI VoIP offering an extensive voice CODEC family and field-proven VolP solutions • Seamless integration integration with TI Wireless 802.11 b/g Access Point • Support for many basic Residential Residential Gateway features including – Network Address Translation and SPI firewall, – Full range of protocols (PPPoA, PPPoE, RFC2684 and IPoA) – 802.1d bridging bridging with with bridge groups and IGMP snooping – Policy and port-based routing, RIP and static routes – Flexib Flexible le QoS framework framework that blends Layer 2/3 QoS – Video ready ready functions functions like multicast IP and IGMP proxy/snooping – PVC multiplex multiplexing ing • Unified management management with support for user and standards-based management: Web pages, SNMP, CLI, DSL Forum TR-69 • Footprint and performance optimized optimized
User Management
Standards-Based Management
TR-69
SNMP v1/v2
UPnP IGD 1.0
MIB-II
Gateway Services IGMP v2 Proxy
FTP/TFTP
Web Page Pagess
CLI
HTTP/ HTTPS
Telnet w/ SSH v2
syslog
DNS Relay
SNTP
Dynamic DNS
DHCP C/S/R
VolP
TI Configuration Manager
WAN Protocols P S N
Security/Address Translation
Packet Backbone
PPPoA
PPPoE
SSH
SPI Firewall
Packet Filtering
ICMP
UDP
2684
1577
SSL
Policy Database
Content Filtering
TCP
HTTP
Port Forwarding
IPSec Passthru
NAT/NAPT
WAN Multiplexing
AAL5
8 PVC PVCss
UBR CBR
VBR OAM
ACLs
QoS
Port Routing
Static Routes
Quality of Service Framework
802.1d Bridging ABR
RIP v1/v2
IPv4
UPnP IGD NAT NA T Traversal
ATM
Policy Routing
Linux Kernel
Bridge Groups
IGMP Snooping
UART
Boot Loader
BSP
Flash
ADSL
P S P
TI.413
992.1
992.2
A, B, C
Ethernet Switch G.hs
USB 1.0
802.11 AP
stats
HAL Hardware Platforms: AR7, AR7W, AR7VW
The AR7 Network Support Package functional diagram
2
VLYNQ™
GPIO
Clock
INTC
EMIF
Router Software Stack Features Packet Backbone
WAN Protocol
Protocols v1/v2 and Multicast Multicast – IC ICMP MP – IGMP v1/v2 – IP IPv4 v4 – UDP – TCP QoS Framework – Ingress Packet Inspection Inspection and Classification based on a configurable Payload Priority Database (PPDb) with early Packet discard based on System Congestion Notification – Egress HTB Shaping or WRR per interface scheduling with Priority Queues – Supports DiffServ DSCP, DSCP, ToS at IP layer (PPDb) – Mark or re-mark re-mark packets to make make QoS work across different Domains – Maps between layer 3 and layer 2 QoS schemes to maintain end to end QoS – Support for Trusted Trusted and Un-trusted Interfaces Interfaces – DSL Forum TR-059 TR-059 compatible compatible – Optimized to sustain Voice Voice Quality under heavy data traffic traffic – Common Linux Kernel bottlenecks removed or optimized
Protocols – RFC 2684 2684 Routed or Bridged Bridged – RFC 2516 PPP over over Ethernet Ethernet – RFC 2364 LLC or Vc Mux PPP over ATM – RFC 1577 CLIP CLIP over ATM ATM PVC Multiplexing with ability to multiplex m ultiplex different connection types over a single PVC PPO On-Demand support with Traffic Traffic Selection capabilities Network Management User and Standard Based Management Applications – CLI Telnet Telnet (Remote and Local) – Web pages pages with HTTP/HTTPS HTTP/HTTPS server – RFC 3164 3164 Syslog for for logging – UPn UPnP™ P™ IGD 1.0 – DSL Forum Forum TR-69 – SNMP v1,v2, v2c Agent with MIB II Groups Groups • Sy Syst stem em • Interface Control Control Message Protocol (ICMP) • Inte Internet rnet Protocol Protocol (IP) • Int Interf erface ace TI Configuration Manager with XML database for comprehensive management Tech Support account for remote access DSL Forum TR-068-specified Access Control List for management access Extensive policy database: connection, servers, applications, game servers Flash ROM upgradeable Image disaster recovery Expanded test and diagnostics Detailed Statistics
Bridging – 802.1d Source Transparent Transparent Bridge with support for for 255 MAC addresses – Multiple bridge groups for physical DMZ’s or port isolation – Layer 2 Access Control Lists for Permit/Deny by port, MAC address and frame type – IGMP snooping to control multicast flooding – Bridge traffic participates in overall QoS Routing – IP forwar forwarding ding – RIP v1/v v1/v22 – Policy routin routing g
Gateway Services DHCP Client/Relay/Server DNS Relay/Proxy Dynamic DNS (DynDNS and TZO) Simple Network Time Protocol (SNTP) IGMP v2 Proxy/Snooping Support for TI VoIP (SIP/MGCP/App Service) software and CODEC’s Firewall/Security
– Ability to map LAN ports ports to PVC’s PVC’s Address Translation
NAT Options – Bas Basic ic NAT NAT – Bi-Dir Bi-Direction ectional al NAT – Static port port mappings mappings – Port Forwarding with NAT NAT DMZ port
Stateful Packet Inspection Firewall (SPI) Extensive firewall rule database for well known applications SSL support via OpenSSL Secure Shell (SSH) v2 Denial of Service protection from common attacks Digital signature for firmware upgrades
Policy database with port/protocol information for common applications – Upgrad Upgradeable eable – Same information used for firewall UPnP IGD 1.0 NAT Traversal Application Layer Gateways – F TP – TF TFTP TP – H.323 Point Point to Point Point
Other Features LED API Software support for hardware reset to default Boot loader with POST (Flash warning LED)
– IRC – Tal alkk – PPT PPTP P w/GRE w/GRE – IPsec Tunnels Tunnels 3
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