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JunosE 11.2.x IP Services Configuration Guide
Packet Discard Rules
Before You Begin
Configuring a NAT License
license nat
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For all supported types of traffic (TCP, UDP, ICMP, and GRE), NAT discards packets in
the following cases:
When the translation table is full (that is, no more entries can be added).
When the address pool is exhausted for outbound packets with inside source dynamic
translation.
When no match can be found for the destination addresses of inbound packets.
When the address pool is exhausted for inbound packets with outside source dynamic
translation.
In addition, NAT discards GRE packets under the following conditions:
When the GRE packets match an NAPT rule.
When Firewall is functioning.
You can configure certain IP interfaces to participate in Network Address Translation.
This chapter discusses how to configure NAT to function for certain IP interfaces. For
information about general IP interface configuration, see Configuring IP in JunosE IP, IPv6,
and IGP Configuration Guide.
You must configure a NAT license before you can use any NAT commands on the ERX
router.
Use to specify a NAT license.
Purchase a NAT license to allow NAT configuration on the ERX router.
NOTE: Acquire the license from Juniper Networks Customer Services and Support or
from your Juniper Networks sales representative.
Example
host1(config)#license nat license-value
Use the no version to disable the license.
See license nat.
Copyright © 2010, Juniper Networks, Inc.
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