H3C S3600 Series User Manual

Operation Manual – DHCP
H3C S3600 Series Ethernet Switches-Release 1510 Chapter 2
DHCP Server Configuration
2-24
Sub-option Feature Function Note
AS-IP
(sub-option 2)
The AS-IP
sub-option carries
the IP address of
the alternate
server (AS).
The alternate NCP
server identified by
sub-option 2 of
option 184 acts as
the backup of the
NCP server. The
NCP server
specified by this
option is used only
when the IP
address carried by
the NCP-IP
sub-option is
unreachable or
invalid.
The AS-IP sub-option
takes effect only
when sub-option 1
(that is, the NCP-IP
sub-option) is defined
Voice VLAN
Configuration
(sub-option 3)
The voice VLAN
configuration
sub-option carries
the ID of the voice
VLAN and the flag
indicating whether
the voice VLAN
identification
function is
enabled.
The sub-option 3 of
option 184
comprises two
parts:
z One part carries
the flag
indicating
whether the
voice VLAN
identification
function is
enabled.
z The other part
carries the ID of
the voice VLAN.
z A flag value of 0
indicates that the
voice VLAN
identification
function is not
enabled, in which
case the
information
carried by the
VLAN ID part will
be neglected.
z A flag value of 1
indicates that the
voice VLAN
identification
function is
enabled.
Fail-Over Call
Routing
(sub-option 4)
The fail-over call
routing sub-option
carries the IP
address for
fail-over call
routing and the
associated dial
number. The IP
address for
fail-over call
routing and the
dial number in
sub-option 4 of
option 184 refer to
the IP address
and dial number
of the session
initiation protocol
(SIP) peer.
When the NCP
server is
unreachable, a SIP
user can use the
configured IP
address and dial
number of the peer
to establish a
connection and
communicate with
the peer SIP user.
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H3C S3600 Series Specifications

General

Brand	H3C
Model	S3600 Series
Category	Switch
Language	English