Juniper MX2010, Hardware Manual, Page: 33 / 825

NOTE: You can configure MX Series routers to provide simultaneous support for Layer 2 and
Layer 3 Ethernet services. In many cases, Layer 2 protocols run on some interfaces, and Layer 3
protocols run on others.
The Junos OS Layer 2 Switching and Bridging Library topic discusses Layer 2 configurations on
supported routers, including Layer 2 statement summaries and configuration statement examples.
For more complete Layer 2 configuration examples for MX Series routers, see the Ethernet
Networking Feature Guide for MX Series Routers.
For more information about configuring Layer 3 features and functions (such as class of service),
see the relevant Junos configuration guides.
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MX2010 Chassis Description
The router chassis is a rigid sheet metal structure that houses all the other router components (see
Figure 1 on page 8 , Figure 2 on page 10 , and Figure 3 on page 11 ). The chassis measures
59.50 in. (151.13 cm) high, 36.20 in. (91.95 cm) deep, and 19 in. (48.26 cm) wide. The chassis can be
installed in a standard 19-in. open-frame rack, four-post rack, or an enclosed cabinet.
NOTE: There must be a minimum of 34-U of usable rack space when installing the MX2010
router into a 34-U rack.
NOTE: If you are installing the MX2010 router into a network cabinet, make sure that no
hardware, device, rack, or cabinet component obstructs the 34-U rack space from access during
installation.
The chassis includes the following features (see Figure 1 on page 8 , Figure 2 on page 10 , and
Figure 3 on page 11 ).
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Front-mounting flanges for mounting in a four-post rack or cabinet.
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