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3/6/2018
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6.3.3 Dual Stack Router
In dual stack configuration, eRouter will have both an IPv4 and IPv6address.This can be
utilized with a dual stack for the cable modem to make sure that the gateway can support a
mix of devices that support IPV4 and IPv6.
To set eRouter in Dual IP stack (IPv4 and IPv6), set TLV 202 to Dual or set
rdkbRgDeviceMode to dualstack (5).
6.3.4 eSAFE
The eRouter is specified as an Embedded Service/Application Functional Entity (eSAFE)
device as defined in DOCSIS specifications and is implemented in conjunction with a
DOCSIS cable modem device. The below MIBs object provides visibility to control over the
initialization Mode and a mechanism to soft reset DOCSIS eRouter eSAFE element:
•
esafeErouterInitModeControl - The esafeErouterInitModeControl object is used
to change the eRouter Mode after the eRouter has initialized.Whenever the value of
esafeErouterInitModeControl is changed from the default of
honoreRouterInitMode (5) via an SNMP SET, the eRouter MUST override the
eRouter Initialization Mode encoding encapsulated in the CM configuration file and
use the value of the esafeErouterInitModeControl. The other possible values for
esafeErouterInitModeControl are ipDisabled (1), ipv4Only (2), ipv6Only (3) and
ipv4AndIpv6 (4).
•
esafeErouterSoftReset - Setting esafeErouterSoftReset to true (1) causes the
eRouter to perform a soft reset. An SNMP GET/GETNEXT of this object always
returns a value of false (2).
•
esafeErouterOperMode - This object provides visibility to the current mode of
operation of the DOCSIS eRouter eSAFE element. If the value of this object is
disabled (1), the eRouter eSAFE element has been administratively Disabled. If the
value of this object is ipv4OnlyFwding(2), the eRouter eSAFE element is currently
operating with the IPv4 protocol stack operational, is forwarding IPv4 traffic, and is
not running an IPv6 protocol stack and not forwarding IPv6 traffic. If the value of this
object is ipv6OnlyFwding(3), the eRouter eSAFE element is currently operating with
the IPv6 protocol stack operational, is forwarding IPv6 traffic, and is not running an
IPv4 protocol stack and not forwarding IPv4 traffic. If the value of this object is
ipv4AndIpv6Fwding(4), the eRouter eSAFE element is currently operating with both
the IPv4 protocol stack and IPv6 protocol stack operational, and is forwarding IPv4
and IPv6 traffic. If the value of this object is noIpv4AndNoIpv6Fwding (5), the eRouter
is currently operating with neither the IPv4 nor IPv6 protocol stack running.