进入Juniper SSG防火墙用get event查看日志如下:
SSG520-> get event
Total event entries = 3072
Date Time Module Level Type Description
2014-06-18 16:35:12 system notif 00767 Cannot allocate SIP call because
device is fielding too many calls.
2014-06-18 16:35:12 system notif 00767 Cannot allocate SIP call because
device is fielding too many calls.
2014-06-18 16:35:11 system notif 00767 Cannot allocate SIP call because
device is fielding too many calls.
2014-06-18 16:35:11 system notif 00767 Cannot allocate SIP call because
device is fielding too many calls.
上述日志确定,SIP资源不足无法创建。
SSG520-> get sip setting
SIP ALG : enabled
Maximum number of SIP Calls : 192
Maximum Call Duration : 43200 seconds
Inactive Media timeout : 120 seconds
T1 interval : 500 milli seconds
T4 interval : 5 seconds
C interval : 3 minutes
SIP hold retain resource : Disabled
SIP Application Screen Configuration
-------------------------------------
Unidentified messages in nat mode : dropped
Unidentified messages in route mode : passed
SIP denial of service protect timeout : 5
SIP global denial of service protect : Disabled
SIP denial of service protect server IP :
查看最大会话为192.
SSG520-> get sys-cfg | in sip
default sip call num number: 192
max sip call num number: 384
默认为192.最大SIP 呼叫为384.