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Maximizing ALG Sessions
Integrated Convergence Services Not Supported
Copyright © 2011, Juniper Networks, Inc.
Known Limitations in Junos OS Release 10.4 for SRX Series Services Gateways and J
Series Services Routers on page 142
Changes in Default Behavior and Syntax in Junos OS Release 10.4 for SRX Series
Services Gateways and J Series Services Routers on page 118
Issues in Junos OS Release 10.4 for SRX Series Services Gateways and J Series Services
Routers on page 152
Upgrade and Downgrade Instructions for Junos OS Release 10.4 for SRX Series Services
Gateways and J Series Services Routers on page 186
Errata and Changes in Documentation for Junos OS Release 10.4 for SRX Series Services
Gateways and J Series Services Routers on page 172
On SRX3400, SRX3600, SRX5600, and SRX5800 devices, by default, the session
capacity number for RTSP, FTP, and TFTP ALG sessions is 10,000 per flow SPU. The
option enables you to increase defaults as follows:
maximize-alg-sessions
RTSP, FTP, and TFTP ALG session capacity: 25,000 sessions per flow SPU
TCP Proxy connection capacity: 40,000 sessions per flow SPU
NOTE: Flow session capacity will be reduced to half per flow SPU and the
above capacity numbers will not change on the central point SPU.
You can configure maximum ALG sessions as follows:
security {
forwarding-process {
application-services {
maximize-alg-sessions;
}
}
}
You must reboot the device (and its peer in the chassis cluster) for the configuration to
take effect.
Integrated Convergence Services is no longer supported. The Media-Gateway (MGW)
versions of SRX Series low-end devices have been discontinued and are no longer
supported. If you have an ICS-supported SKU, please contact Juniper Networks for further
guidance.
Maximizing ALG Sessions
185
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