ZyXEL Communications ZyWALL 1050 Release Note page 61

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8. [Enhancement]
NAT-T HW acceleration
In previous version, IPSec processing is software based when NAT-T is enabled. With this
enhancement, no matter NAT-T is enabled or not, IPSec module will use hardware engine to
accelerate traffic processing.
9. [BUG FIX] 070621293
Symptom:
4 SIP clients in LAN and 2 clients make 2 calls at the same time, one client cannot hear
voice
Condition:
4 sip clients in LAN: A:p2302, B:p2000w ,C:p2002 ,D:p2002
step1: B make a call to A
step2: C make a call to D
step3: D answer the call
step4: A answer the call
result: A,C,D can hear the voice, but B cannot hear the voice
10. [BUG FIX] 070206491
Symptom:
SIP pass through fail
Condition:
1. Load the configuration
2. Both SIP clients are X-Lite V3.0
3. Make SIP phone call from WAN to LAN, but SIP from WAN to LAN fail
11. [ITS] 070803309
Symptom:
DDNS supports IP update from HA interface in case link of primary interface is down. But
if ping check fails on the primary interface, HA interface may not be able to perform IP
update.
12. [BUG FIX] 070803309
Symptom:
Dial-backup idle timeout fail when have broadcast packet in WAN side.
Condition:
1. Edit web＞ Interface＞ Auxiliary, set related fields for dial backup and the Idle
timeout=30.
2. Dial up the dial backup modem.
3. There is NO traffic out in 30 seconds, DUT still not disconnect aux connection.
4. Issue command "packet-trace interface aux" in console, get broadcast packet from WAN
side.
13. [FEATURE CHANGE] 070806406
Symptom:
Able to modify myzyxel.com server
Condition:
Should be able to modify myZyXEL.com update/license server
14. [Enhancement]
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