| Internet Protocols
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IPv4
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IPv6 routing and forwarding
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| Routing and Multicast
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Open Shortest Path First (OSPF)
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Border Gateway Protocol (BGP)
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License required for advanced BGP
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Routing Information Protocol version 1 (RIPv1) and RIPv2
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Static routes
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Intermediate System-to-Intermediate System (IS-IS)
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Connectionless Network Services (CLNS):
- End system-to-Intermediate system (ES-IS) protocol
- IS-IS extensions
- BGP extensions
- Static routes
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Multiprotocol Label Switching (MPLS):
- Layer 2 and Layer 3 virtual private networks (VPNs)
- VPN routing and forwarding (VRF) table labels
- Traffic engineering protocols:
- Label Distribution Protocol (LDP)
- Resource Reservation Protocol (RSVP)
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Multicast:
- Internet Group Management Protocol version 3 (IGMPv3)
- Protocol Independent Multicast (PIM)
- Distance Vector Multicast Routing Protocol (DVMRP)
- Single-source multicast
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| IP Address Management
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Static addresses
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Dynamic Host Configuration Protocol (DHCP)
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| Encapsulation
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Ethernet:
- Media access control (MAC) encapsulation
- 802.1p tagging
- Point-to-Point Protocol over Ethernet (PPPoE)
- Asynchronous Transfer Mode (ATM) for asymmetrical digital subscriber
line (ADSL)
- Circuit cross-connect (CCC)
- Translational cross-connect (TCC)
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Synchronous Point-to-Point Protocol (PPP)
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Frame Relay
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High-level Data Link Control (HDLC)
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Serial encapsulation over RS-232, RS-449, X.21, V.35, and EIA-530 connections
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802.1Q filtering and forwarding
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Multilink Frame Relay
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Multilink PPP
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| Traffic Management
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Policing and shaping
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Class-based queuing with prioritization
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Weighted random early detection (WRED)
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Queuing by virtual LAN (VLAN), data link connection identifier (DLCI),
interface, or bundle
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| Security |
Network attack detection
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Denial-of-service (DoS) and distributed DoS protection
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Generic routing encapsulation (GRE), IP-over-IP, and IP Security (IPSec)
tunnels
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License required for IPSec
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56-bit Data Encryption Standard (DES) and 168-bit 3DES encryption
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MD5 and Secure Hash Algorithm (SHA-1) authentication
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Replay attack prevention
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Stateful firewall packet filters
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License required
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| Voice Support |
Compressed Real-Time Transport Protocol (CRTP)
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| High Availability
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Virtual Router Redundancy Protocol (VRRP)
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Graceful restart according to IETF standards
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Redundant interfaces
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| System Management
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JUNOScope network manager
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J-Web browser interface—for Services Router configuration and
management
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JUNOScript XML application programming interface (API)
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JUNOS command-line interface (CLI)—for Services Router configuration
and management through the console, telnet, or SSH
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Simple Network Management Protocol version 1 (SNMPv1) and SNMPv2
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| Traffic Analysis
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J-Flow flow monitoring and accounting
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License required for J-Flow
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Real-time performance monitoring (RPM)
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| Activity Logging and Monitoring
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System log
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Traceroute
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| Administration
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Supports the following external administrator databases:
- RADIUS
- Lightweight Directory Access Protocol (LDAP)
- SecurID
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Autoinstallation
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Configuration rollback
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Button-operated configuration rescue (CONFIG)
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Confirmation of configuration changes
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Software upgrades
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