Gre Over Ipsec; Asynchronous Digital Subscriber Line (Adsl); Dial Service - Enterasys X-Pedition XSR-1850 Getting Started Manual

GRE over IPSec

• ToS bit preservation
• IP helper on VPN interfaces
• IETF/Microsoft-compatible NAT traversal for L2TP
• QoS over VPN

Asynchronous Digital Subscriber Line (ADSL)

• POTS and ISDN circuit support
• ATM Frame UNI (FUNI) data framing format
• OAM cells: AIS, RDI, CC, Loopback over F4 and F5 flows
• Up to 30 ATM Permanent Virtual Circuits (PVCs)
• ATM UBR traffic class
• ATM Adaption Layers 0, 5
• PDU encapsulation types:
• PPP over ATM (PPPoA) (routed)
• IP over ATM (routed)
• PPP over Ethernet over ATM (PPPoE) (routed)
• Responds to inverse ARP requests
• Maintenance of SNMP Interface and Interface Stack tables
• Remote Auto Install over ADSL

Dial Service

• Asynchronous serial support through an external modem
• Synchronous serial
• Outbound calling
• Unnumbered Interface Addressing
• PPP encapsulation
• Authentication from XSR's database for PAP & CHAP
• Dialer profile support
• Configurable redialer
• ISDN callback
• Dialer watch
• Dialer interface spoofing
• Incoming call support for analog modems
System Description
XSR Getting Started Guide 1-9