J-series Services Router Features

This section describes the new J-series Services Routers features, available with the JUNOS 8.0R4 release. For more information, see the following manuals:

• J2300, J4300, and J6300 Services Router Getting Started Guide
• J4350 and J6350 Services Router Getting Started Guide
• J-series Services Router Basic LAN and WAN Access Configuration Guide
• J-series Services Router Advanced WAN Access Configuration Guide
• J-series Services Router Administration Guide

For more information about the JUNOS Internet software that runs on Services Routers, see the manuals listed in Table 5.

Interfaces and Chassis

• Two new J-series Services Router models—The new J4350 and J6350 Services Routers have identical dimensions. Each router chassis fits into a 19-inch rack using 2 rack units (RUs) of vertical space. Each chassis contains four built-in Gigabit Ethernet ports with link speeds of 10/100/1000 Mbps over a copper interface and six slots for field-replaceable Physical Interface Modules (PIMs). Additional features include:
  • Hardware-based IPSec acceleration (optional on J4350 routers).
  • Support for existing J-series PIMs in all six PIM slots.
  • Support for new Gigabit Ethernet and 4-port Fast Ethernet ePIMs in PCI Express (high-speed) slots. J4350 routers have two PCI Express slots (slots 3 and 6), and J6350 routers have four PCI Express slots (slots 2, 3, 5, and 6).
  • New slot numbering—In contrast to the existing J-series routers, the slots on the new J4350 and J6350 Services Routers are numbered consecutively from top to bottom and left to right. The slots on the left side are 1, 2, and 3 from the top down, and the slots on the right side are 4, 5, and 6.
• New high-speed Ethernet ePIMs—The new J4350 and J6350 Services Routers support the following new Ethernet ePIMs in PCI Express slots:
  • 1-port Copper Gigabit Ethernet ePIM.
  • 1-port SFP Gigabit Ethernet ePIM. The SFP Gigabit Ethernet ePIM supports 1000Base-LX and 1000Base-SX small form-factor pluggable transceivers (SFPs) only, and does not support 1000Base-LH or 1000Base-TX SFPs.
  • 4-port 10/100Base-T Fast Ethernet ePIM.

  The new high-speed Ethernet ePIMs do not support SNMP, nor are they intended for use in J2300, J4300, and J6300 Services Routers.

• LFI and MLPPP support on serial interfaces—Link fragmentation and interleaving (LFI) and Multilink Point-to-Point protocol (MLPPP) support has been extended to serial interfaces. Support on serial interfaces is the same as the existing LFI and MLPPP support on T1 and E1 interfaces.

Services Router User Interface and Configuration

• Capturing and viewing packets with the J-Web Interface—The J-Web graphical user interface enables you to capture packets and display them partially decoded in near real time. You can also construct simple filters to capture only certain packets based on expressions used by tcpdump and the monitor traffic command line interface (CLI) command. The captured packets can also be saved to a file for offline analysis.
• J-Web support for multilink interfaces—The J-Web interface provides new Quick Configuration pages to configure Multilink Point-to-Point Protocol (MLPPP) and Multilink Frame Relay (MLFR) bundles on the link services ls-0/0/0 interface, an internal interface on the Services Router. The link services interface consists of services provided by the following interfaces on M-series and T-series routing platforms: multilink services interface (ml-fpc/pic/port), link services interface (ls-fpc/pic/port), and link services intelligent queuing interface (lsq-fpc/pic/port).

  Multilink bundles provide additional bandwidth, load balancing, and redundancy by aggregating multiple T1, T3, E1, E3, or serial interfaces into a single logical link as follows:

  • Bundle multiple Point-to-Point Protocol (PPP) links into a single MLPPP logical link
  • Bundle multiple Frame Relay data-link connection identifiers (DLCIs) into a single MLFR logical link

  To configure services bundles using Quick Configuration, navigate to Configuration>Quick Configuration>Interfaces and click the link services interface name—ls-0/0/0.

• J-Web support for Gigabit Ethernet interfaces—The J-Web interface provides new Quick Configuration pages to configure Gigabit Ethernet interfaces.

  To configure Gigabit Ethernet interfaces using Quick Configuration, navigate to Configuration>Quick Configuration>Interfaces and click the Gigabit Ethernet interface name—for example, ge-0/0/0.