NAT Overview
IMPORTANT:
IMPORTANT:
IMPORTANT:
IMPORTANT:
Platform Requirements
License Requirements
NAT Realms
IMPORTANT:
Card Type | No. of SMGRs | No. of NAT Translations per SMGR | No. of Active Cards | Total no. of NAT Translations | ||
---|---|---|---|---|---|---|
PSC
|
7
|
317000
|
12
|
26628000 (26.628M)
|
||
PSC2
|
16
|
270000
|
12
|
51840000 (51.84M)
|
||
PSC3
|
24
|
400000
|
12
|
115200000(115.2M)
|
NAT IP Pool Groups
NAT IP Address Allocation and Deallocation
NAT IP Address Allocation
NAT IP Address Deallocation
NAT Port-chunk Allocation and Deallocation
NAT Port-chunk Allocation
NAT Port-chunk Deallocation
NAT Binding Timer
TCP 2MSL Timer
Flow Mapping Timer
NAT Binding Records
NAT Binding Updates
CoA NAT Query
IMPORTANT:
IMPORTANT:
IMPORTANT:
Firewall-and-NAT Policy
IMPORTANT:
IMPORTANT:
IMPORTANT:
Disabling NAT Policy
IMPORTANT:
Updating Firewall-and-NAT Policy in Mid-session
IMPORTANT:
IMPORTANT:
Target-based NAT Configuration
IMPORTANT:
NAT Application Level Gateway
Supported NAT ALGs
H323 ALG Support
NAT Aware H323 Clients
EDRs and UDRs
Bulk Statistics
Alarms
Session Recovery and ICSR
Category | Event | Impacted | Details | ||
---|---|---|---|---|---|
One-to-One NAT | Session | No | Session recovered. | ||
New Traffic | No | NAT will be applied. | |||
Ongoing Traffic | Yes | Cannot differentiate between ongoing traffic and unsolicited traffic. A rule-match is done and if allowed, NAT will be applied accordingly on the packet. | |||
Unsolicited Traffic (downlink packets) | Yes | Cannot differentiate between ongoing traffic and unsolicited traffic. Translation will be done and packet action taken based on the rule-match. | |||
Many-to-One NAT | Session | No | Session recovered. | ||
New Traffic | No | NAT will be applied. | |||
Ongoing Traffic | TCP | Yes | Packet will be dropped. | ||
UDP | Yes and No | If it is downlink packet, it will be dropped. If it is uplink packet, NAT will be applied with a new port. | |||
ICMP | Yes and No | If it is downlink packet, it will be dropped. If it is uplink packet, NAT will be applied with a new port. | |||
Unsolicited Traffic (downlink packets) | No | Packet will be dropped. | |||
Bypass NAT | Session | No | Session recovered. | ||
New Traffic | No | Traffic will be NAT bypassed. | |||
Ongoing Traffic | No | Traffic will be NAT bypassed. | |||
Unsolicited Traffic (downlink packets) | No | Traffic will be NAT bypassed. |
Supported Standards
IMPORTANT:
IMPORTANT: