Configuration Overview
Page 10 7210 SAS M, T, X, R6, R12, Mxp Interface Configu-
ration Guide
Configuration Overview
NOTE: This document uses the term preprovisioning in the context of preparing or preconfiguring
entities such as chassis slots, Line cards (for example, SF/CPM - Switch Fabric and Control Plane
Module, IMMs - Integrated Media Modules), and media dependent adapters (MDAs), ports, and
interfaces, prior to initialization. These entities can be installed but not enabled. When the entity is
in a no shutdown state (administratively enabled), then the entity is considered to be provisioned.
The 7210 SAS-M and its variants (that is, 7210 SAS-M 24F, 7210 SAS-M 24F 2XFP, 7210 SAS-
M 24F 2XFP ETR), is a platform with a fixed port configuration and an additional expansion slot
that accepts supported MDAs. 7210 software inherits the concept for CPM, IOM and MDA from
7x50 to represent the hardware logically. The software creates 2 logical cards, to represent the
CPM and IOM and these are pre-provisioned on bootup. The IOM card, is modelled with 2 MDAs.
One of the MDA, a non-removable logical entity, represents the fixed ports available on the
platform, and it is pre-provisioned on bootup. The second MDA, represents the physical
removable MDA that can be plugged into the available expansion slot and it must be provisioned
by the user depending on the MDA they plan to use (see below for more information on
provisioning MDA for the expansion slot on 7210 SAS-M). Ports and interfaces can also be pre-
provisioned.
The 7210 SAS-X, 7210 SAS-T, and 7210 SAS-Mxp and its variants, are platforms with a fixed
port configuration, and no expansion slots. 7210 software inherits the concept of CPM, IOM and
MDA from 7x50 to represent the hardware logically. These are fixed and are not removable. The
software creates 2 logical cards, to represent the CPM and IOM and these are pre-provisioned on
bootup. The IOM card, is modelled with a single MDA, a logical entity to represent the fixed ports
on the system. This MDA is auto-provisioned on bootup and user does not need to provision them.
Ports and interfaces can also be pre-provisioned.
The 7210 SAS-R6 is a chassis-based platforms that have 6 IMM slots that can accept media cards
used for service delivery and 2 CPM slots that provide control-plane redundancy. The chassis slots
must be provisioned to accept a specific line card and set the relevant configurations before the
equipment is actually installed. The pre-provisioning ability allows you to plan your
configurations as well as monitor and manage your router hardware inventory. Ports and interfaces
can also be pre-provisioned. When the functionality is needed, the card(s) can be inserted into the
appropriate chassis slots when required.
The 7210 SAS-R12 is a chassis-based platforms that have 12 IMM slots that can accept media
cards used for service delivery and 2 CPM slots that provide control-plane redundancy. The
chassis slots must be provisioned to accept a specific line card and set the relevant configurations
before the equipment is actually installed. The pre-provisioning ability allows you to plan your
configurations as well as monitor and manage your router hardware inventory. Ports and interfaces
can also be pre-provisioned. When the functionality is needed, the card(s) can be inserted into the
appropriate chassis slots when required.
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