Juniper JUNOS 10.2, Руководство по модернизации

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M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus Routers
The following topics give a brief overview of the M Series, MX Series, T Series, TX
Matrix, and TX Matrix Plus routers.
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Hardware Overview (M Series, MX Series, T Series, and TX Matrix
Routers) on page 14
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Routing Engines and Storage Media Names (M Series, MX Series, T Series, TX
Matrix, and TX Matrix Plus Routers) on page 16
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Boot Sequence (M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus
Routers) on page 18
Hardware Overview (M Series, MX Series, T Series, and TX Matrix Routers)
Except for MX80 routers, the JUNOS Software is installed on both the CompactFlash
card and the hard drive. When installed, the internal CompactFlash card is the primary
boot device and the hard drive is the secondary boot device. When the internal
CompactFlash card is not installed, the hard drive is the primary boot device. Figure
2 on page 15 shows the standard layout of a typical Routing Engine. On MX80 routers,
the internal NAND flash devices (first
da0 , then da1 ) act as the primary and secondary
boot devices.
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M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus Routers
JUNOS Release 10.2 Software Installation and Upgrade Guide