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Syslog
Message
Format
96
Header
97
Structured
Data
98
MSG
98
Netflow
v9
Support
100
NetFlow
Record
Format
100
Frequently
Asked
Questions
(F
AQs)
115
Cisco IOS XR Carrier Grade NA
T Configuration Guide for the Cisco CRS Router
, Release 5.2.x
OL-32659-01
vii
Contents
6
8
Table of Contents
Default Chapter
3
Table of Contents
3
Preface
9
Changes to this Document
9
Obtaining Documentation and Submitting a Service Request
9
CHAPTER 1 New and Changed Carrier Grade NAT Feature Information
11
New and Changed Carrier Grade NAT Features
11
Chapter:
12
CHAPTER 2 Implementing Carrier Grade NAT on Cisco IOS XR Software
13
Carrier Grade NAT Overview and Benefits
13
Carrier Grade NAT Overview
13
Benefits of Carrier Grade NAT
14
Ipv4 Address Shortage
14
NAT and NAPT Overview
14
Network Address and Port Mapping
14
Translation Filtering
15
Prerequisites for Implementing the Carrier Grade NAT
15
Cgse Plim
16
CGSE Multi-Chassis Support
17
CGSE Plus PLIM
17
Information about Carrier Grade NAT
17
Implementing NAT with ICMP
17
ICMP Query Session Timeout
17
Implementing NAT with TCP
18
Address and Port Mapping Behavior
18
Externally Initiated Connections
18
Internally Initiated Connections
18
Implementing NAT 44 over ISM
18
Implementing NAT 64 over ISM
21
Double NAT 444
24
Address Family Translation
24
Cisco Carrier NAT Applications
24
Ipv4/Ipv6 Stateless Translator
24
Ipv6 Rapid Deployment
25
Stateful NAT64
25
Dual Stack Lite
25
Port Control Protocol
26
Policy Functions
26
Application Level Gateway
26
Ftp-Alg
26
Rtsp-Alg
26
Pptp-Alg
27
TCP Maximum Segment Size Adjustment
27
Static Port Forwarding
27
1:1 Redundancy
28
Back-To-Back Deployment
28
Intelligent Port Management
28
Throughput Measurement
29
High Availability on the Data Path Service Virtual Interface (SVI)
30
External Logging
31
Netflow V9 Support
31
Syslog Support
31
Bulk Port Allocation
31
Destination-Based Logging
31
Implementing Carrier Grade NAT on Cisco IOS XR Software
32
Getting Started with the Carrier Grade NAT
32
Configuring the Service Role
32
Configuring the Service Instance and Location for the Carrier Grade NAT
33
Configuring the Infrastructure Service Virtual Interface
34
Configuring the Service Virtual Interfaces
34
Configuring the Application Service Virtual Interface
36
Configuring the Service Type Keyword Definition
37
Configuring an Inside and Outside Address Pool Map
38
Configuring the Policy Functions for the Carrier Grade NAT
40
Configuring Port Limit Per Subscriber
40
Configuring the Timeout Value for the ICMP Protocol
42
Configuring the Timeout Value for the Protocol
42
Configuring the Timeout Value for the TCP Session
43
Configuring the Timeout Value for the UDP Session
45
Configuring the FTP ALG for NAT44 Instance
46
Configuring the RTSP ALG for NAT44 Instance
48
Configuring the PPTP ALG for a NAT44 Instance
49
Configuring the TCP Adjustment Value for the Maximum Segment Size
51
Configuring the Refresh Direction for the Network Address Translation
52
Configuring the Carrier Grade NAT for Static Port Forwarding
54
Configuring the Dynamic Port Ranges for NAT44
56
Configuring 1:1 Redundancy
57
Configuring Multiple Public Address Pools
58
Configuring Port Limit Per VRF
60
Configuring same Address Pool for Different NAT Instances
62
Configuring High Availability of Data Path Service Virtual Interface (SVI)
65
Configuring the Export and Logging for the Network Address Translation Table Entries
67
Configuring the Server Address and Port for Netflow Logging
67
Configuring the Path Maximum Transmission Unit for Netflow Logging
69
Configuring the Refresh Rate for Netflow Logging
71
Configuring Session-Logging for a NAT44 or DS-Lite Instance
73
Configuring the Timeout for Netflow Logging
75
Configuring the Carrier Grade Service Engine
77
Bringing up the CGSE Board
77
Configuring Ipv4/Ipv6 Stateless Translator (XLAT)
79
XLAT Serviceapp Configuration
79
XLAT Instance Configuration
80
Line Card Upgrade
81
UPGRADE FROM_ UBOOT to 559 & MANS FPGA to 0.41014
81
Configuring Ipv6 Rapid Development
82
Enable Additional 6Rd Features
85
Ping to BR Anycast Address
85
Configuring Dual Stack Lite Instance
87
Configuring PCP Server for NAT44 Instance
91
Configuring PCP Server for DS-Lite Instance
92
Configuration Examples for Implementing the Carrier Grade NAT
94
Configuring a Different Inside VRF Map to a Different Outside VRF: Example
94
Configuring a Different Inside VRF Map to a same Outside VRF: Example
95
Configuring ACL for a Infrastructure Service Virtual Interface: Example
96
NAT44 Configuration: Example
96
NAT64 Stateless Configuration: Example
98
Predefined NAT Configuration: Example
99
DS Lite Configuration: Example
100
DS Lite Configuration
100
Ipv4 Serviceapp and Static Route Configuration
100
Ipv6 Serviceapp and Static Route Configuration
100
Bulk Port Allocation and Syslog Configuration: Example
101
PPTP ALG Configuration: Example
101
NAT44 Instance
101
DBL Configuration: Example
101
DS-Lite Instance
101
PCP Server Configuration: Example
101
DS-Lite Instance
102
Services Redundancy Configuation (Active/Standby): Example
102
Configuration of Multiple Address Pools: Example
102
Configuration of Port Limit Per VRF: Example
102
Configuration of same Public Address Pool Across Different NAT Instances: Example
103
High Availability on Data Path SVI: Example
103
Chapter 3 External Logging
105
Bulk Port Allocation
105
Restrictions for Bulk Port Allocation
105
Session Logging
106
Syslog Logging
106
Restrictions for Syslog
106
Syslog Message Format
106
Header
107
Msg
108
Structured Data
108
Netflow V9 Support
110
Netflow Record Format
110
Frequently Asked Questions (Faqs)
125
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Cisco GRS Specifications
General
Brand
Cisco
Model
GRS
Category
Network Router
Language
English
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