VP-12, VP-12P IP phones. Operation manual
24
Phase
2
During the second step, key data is generated; hosts negotiate on the utilized policy. This mode—also called as
'quick mode'—differs from the phase 1 in that it may be established after the first step only, when all the phase
2 packets are encrypted.
•
IKE Authentication Algorithm
– select an authentication algorithm from the list: HMAC - MD5, HMAC-
SHA1, DES, 3DES;
•
IKE Encryption Algorithm
– select an encryption algorithm from the list: DES, 3DES, Blowfish;
•
Diffie Hellman Group
– select Diffie-Hellman group;
•
IPSec SA Lifetime, s
– time that should pass for the data encryption key changeover (other name 'IPSec
SA lifetime'). Default value is 60 minutes (3600 seconds).
2.2.1.2 «QoS» submenu
In the 'QoS' submenu you may configure traffic processing priority and queue type.
•
Flow control
– enabling/disabling a mechanism of data flow management by using TCP;
•
Priority decision
–
select traffic prioritization way:
•
DSCP
– classification mechanism of traffic control and providing quality of service by priorities;
•
802.1p –
attribute (
CoS – Class of Service
) is attached to egress IP packets. The value is from 0
(the least priority) to 7 (the highest priority).
•
Queue type
– select service procedure of queues:
•
Strict
– service procedure of queues when traffic with lowest priority is transmitted only after
transmitting queues with higher priority;
To apply a new configuration and store settings into the non-volatile memory, click
'Apply'
button. To
discard changes, click
'Cancel'
button.
Settings of the priorities are not available when flow control is enabled.
