Alcatel Omni Switch/Router, Руководство пользователя

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The WAN Port Software Menu
Page 28-33
Clocking
This field displays either
External
,
Internal
, or
Split
. For a more detailed discussion of
clocking, see Clocking under Modifying a Port on page 28-14.
Receive Clock
Often, due to delays added to timestamps in when running through switch hardware, the
receive clock time is significantly different than expected from the transmitting data
source. To correct the problem, it is possible to set the receive clock to invert the delay
information. The following options are available:
Protocol Type
The protocol type can be set to either Frame Relay or Point to Point Protocol (PPP). The
default setting is Frame Relay.
TOS for Voice Data
Shows the priority for voice data streams. The value must be entered in hexadecimal
format translated from binary, and can use either IP Precedence or Differentiated Services
Code Point (DSCP). See
Type of Service (ToS)
on page 28-2 above for a more detailed
explanation of ToS.
TOS for Voice Signaling Data
Shows the priority for voice signaling data streams. The value must be entered in hexa-
decimal format translated from binary, and can use either IP Precedence or Differentiated
Services Code Point (DSCP). See
Type of Service (ToS) on page 28-2 above for a more
detailed explanation of ToS.
TOS Mask for both TOS Value
Shows the mask bits for both voice data and signaling data.
Signaling IP Address
When a data frame cannot be identified by the ToS voice data or ToS signaling data, the
Signaling IP Address is checked. Matched frames are loaded on a High Priority Software
Queue and a Nominal Hardware Queue.
Signaling IP Mask
The mask associated with the Signaling IP Address described above.
KeepAlive Up Count
If the switch detects that a port may be down, it will generate echo message requests to
the far end of the connection. The KeepAlive Up Count is the number of requests sent
from the port when the port transitions from Down to Up, to verify the status of the port.
KeepAlive Down Count
If the switch detects that a port may be down, it will generate echo message requests to
the far end of the connection. The KeepAlive Down Count is the number of requests sent
from the port when the port transitions from Up to Down, to verify the status of the port.
This only displays if the port is using PPP as its encapsulation type.
KeepAlive Timeout
The number of 100 millisecond increments between generated echo message requests.
This only displays if the port is using PPP as its encapsulation type.