📘 ❞ Configuration Guide Release ❝ كتاب

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اسم الكاتب:
Cisco IOS
IP
Configuration Guide
Release

About Cisco IOS Software Documentation xxix
Documentation Objectives xxix
Audience xxix
Documentation Organization xxix
Documentation Modules xxix
Master Indexes xxxii
Supporting Documents and Resources xxxii
New and Changed Information xxxiii
Document Conventions xxxiii
Obtaining Documentation xxxv
World Wide Web xxxv
Documentation CD-ROM xxxv
Ordering Documentation xxxv
Documentation Feedback xxxv
Obtaining Technical Assistance xxxvi
Cisco.com xxxvi
Technical Assistance Center xxxvi
Contacting TAC by Using the Cisco TAC Website xxxvi
Contacting TAC by Telephone xxxvii
Using Cisco IOS Software xxxix
Understanding Command Modes xxxix
Getting Help xl
Example: How to Find Command Options xli
Using the no and default Forms of Commands xliii
Saving Configuration Changes xliv
Filtering Output from the show and more Commands xliv
Identifying Supported Platforms xlv
Using Feature Navigator xlv
Using Software Release Notes xlv
IP Overview IPC-1
IP Addressing and Services IPC-1
IP Routing Protocols IPC-2
Contents
iv
Cisco IOS IP Configuration Guide
Determining a Routing Process IPC-2
Interior and Exterior Gateway Protocols IPC-2
Interior Gateway Protocols IPC-3
Exterior Gateway Protocols IPC-3
Multiple Routing Protocols IPC-3
IP Multicast IPC-4
IP ADDRESSING AND SERVICES
Configuring IP Addressing IPC-7
IP Addressing Task List IPC-7
Assigning IP Addresses to Network Interfaces IPC-7
Assigning Multiple IP Addresses to Network Interfaces IPC-9
Enabling Use of Subnet Zero IPC-9
Disabling Classless Routing Behavior IPC-10
Enabling IP Processing on a Serial Interface IPC-11
Configuring Address Resolution Methods IPC-12
Establishing Address Resolution IPC-12
Defining a Static ARP Cache IPC-13
Setting ARP Encapsulations IPC-14
Enabling Proxy ARP IPC-14
Configuring Local-Area Mobility IPC-15
Mapping Host Names to IP Addresses IPC-15
Assigning Host Names to IP Addresses IPC-16
Specifying the Domain Name IPC-16
Specifying a Name Server IPC-17
Enabling the DNS IPC-17
Using the DNS to Discover ISO CLNS Addresses IPC-17
Configuring HP Probe Proxy Name Requests IPC-18
Configuring the Next Hop Resolution Protocol IPC-18
The Cisco Implementation of NHRP IPC-18
Protocol Operation IPC-20
NHRP Configuration Task List IPC-20
Enabling NHRP on an Interface IPC-21
Configuring a Static IP-to-NBMA Address Mapping for a Station IPC-21
Statically Configuring a Next Hop Server IPC-21
Configuring NHRP Authentication IPC-22
Controlling the Triggering of NHRP IPC-22
Triggering NHRP Based on Traffic Thresholds IPC-23
Controlling the NHRP Packet Rate IPC-25
Contents
v
Cisco IOS IP Configuration Guide
Suppressing Forward and Reverse Record Options IPC-26
Specifying the NHRP Responder Address IPC-26
Changing the Time Period NBMA Addresses Are Advertised as Valid IPC-26
Configuring a GRE Tunnel for Multipoint Operation IPC-27
Configuring NHRP Server-Only Mode IPC-27
Enabling IP Routing IPC-27
Routing Assistance When IP Routing Is Disabled IPC-28
Proxy ARP IPC-28
Default Gateway IPC-28
ICMP Router Discovery Protocol IPC-29
Enabling IP Bridging IPC-30
Enabling Integrated Routing and Bridging IPC-30
Configuring a Routing Process IPC-30
Configuring Broadcast Packet Handling IPC-31
Enabling Directed Broadcast-to-Physical Broadcast Translation IPC-31
Forwarding UDP Broadcast Packets and Protocols IPC-32
Establishing an IP Broadcast Address IPC-33
Flooding IP Broadcasts IPC-33
Speeding Up Flooding of UDP Datagrams IPC-34
Configuring Network Address Translation IPC-35
NAT Applications IPC-35
Benefits IPC-35
NAT Terminology IPC-36
NAT Configuration Task List IPC-36
Translating Inside Source Addresses IPC-37
Configuring Static Translation IPC-38
Configuring Dynamic Translation with an Access List IPC-38
Configuring Dynamic Translation with a Route Map IPC-39
Overloading an Inside Global Address IPC-39
Translating Overlapping Addresses IPC-41
Configuring Static Translation IPC-43
Configuring Dynamic Translation IPC-43
Providing TCP Load Distribution IPC-43
Changing Translation Timeouts IPC-45
Monitoring and Maintaining NAT IPC-46
Deploying NAT Between an IP Phone and Cisco CallManager IPC-46
Monitoring and Maintaining IP Addressing IPC-47
Clearing Caches, Tables, and Databases IPC-47
Specifying the Format of Network Masks IPC-47
Contents
vi
Cisco IOS IP Configuration Guide
Displaying System and Network Statistics IPC-48
Monitoring and Maintaining NHRP IPC-49
IP Addressing Examples IPC-49
Creating a Network from Separated Subnets Example IPC-50
Serial Interfaces Configuration Example IPC-50
IP Domains Example IPC-51
Dynamic Lookup Example IPC-51
HP Hosts on a Network Segment Example IPC-51
Logical NBMA Example IPC-51
NHRP over ATM Example IPC-53
Changing the Rate for Triggering SVCs Example IPC-55
Applying NHRP Rates to Specific Destinations Example IPC-57
NHRP on a Multipoint Tunnel Example IPC-58
Broadcasting Examples IPC-59
Flooded Broadcast Example IPC-59
Flooding of IP Broadcasts Example IPC-60
Helper Addresses Example IPC-60
NAT Configuration Examples IPC-61
Dynamic Inside Source Translation Example IPC-61
Overloading Inside Global Addresses Example IPC-62
Translating Overlapping Address Example IPC-62
TCP Load Distribution Example IPC-63
ping Command Example IPC-63
Configuring DHCP IPC-65
DHCP Server Overview IPC-65
DHCP Client Overview IPC-67
DHCP Relay Agent Overview IPC-67
DHCP Configuration Task List IPC-68
Enabling the Cisco IOS DHCP Server and Relay Agent Features IPC-68
Configuring a DHCP Database Agent or Disabling DHCP Conflict Logging IPC-69
Excluding IP Addresses IPC-69
Configuring a DHCP Address Pool IPC-69
Configuring the DHCP Address Pool Name and Entering DHCP Pool Configuration Mode IPC-69
Configuring the DHCP Address Pool Subnet and Mask IPC-70
Configuring the Domain Name for the Client IPC-70
Configuring the IP Domain Name System Servers for the Client IPC-70
Configuring the NetBIOS Windows Internet Naming Service Servers for the Client IPC-70
Configuring the NetBIOS Node Type for the Client IPC-71
Configuring the Default Router for the Client IPC-71
Contents
vii
Cisco IOS IP Configuration Guide
Configuring the Address Lease Time IPC-71
Configuring Manual Bindings IPC-71
Configuring a DHCP Server Boot File IPC-73
Configuring the Number of Ping Packets IPC-73
Configuring the Timeout Value for Ping Packets IPC-73
Enabling the Cisco IOS DHCP Client on Ethernet Interfaces IPC-73
Configuring DHCP Server Options Import and Autoconfiguration IPC-74
Configuring the Relay Agent Information Option in BOOTREPLY Messages IPC-75
Configuring a Relay Agent Information Reforwarding Policy IPC-75
Enabling the DHCP Smart-Relay Feature IPC-75
Monitoring and Maintaining the DHCP Server IPC-75
Configuration Examples IPC-76
DHCP Database Agent Configuration Example IPC-77
DHCP Address Pool Configuration Example IPC-77
Manual Bindings Configuration Example IPC-78
Cisco IOS DHCP Client Example IPC-78
DHCP Server Options Import and Autoconfiguration Example IPC-79
Configuring IP Services IPC-81
IP Services Task List IPC-81
Managing IP Connections IPC-81
Enabling ICMP Protocol Unreachable Messages IPC-82
Enabling ICMP Redirect Messages IPC-82
Enabling ICMP Mask Reply Messages IPC-83
Understanding Path MTU Discovery IPC-83
Setting the MTU Packet Size IPC-84
Enabling IP Source Routing IPC-84
Configuring Simplex Ethernet Interfaces IPC-85
Configuring a DRP Server Agent IPC-85
Enabling the DRP Server Agent IPC-86
Limiting the Source of DRP Queries IPC-86
Configuring Authentication of DRP Queries and Responses IPC-86
Filtering IP Packets Using Access Lists IPC-87
Creating Standard and Extended Access Lists Using Numbers IPC-88
Creating Standard and Extended Access Lists Using Names IPC-91
Specifying IP Extended Access Lists with Fragment Control IPC-93
Benefits of Fragment Control in an IP Extended Access List IPC-95
Enabling Turbo Access Control Lists IPC-96
Configuring Turbo ACLs IPC-96
Verifying Turbo ACLs IPC-97
Contents
viii
Cisco IOS IP Configuration Guide
Applying Time Ranges to Access Lists IPC-97
Including Comments About Entries in Access Lists IPC-98
Applying Access Lists IPC-98
Controlling Access to a Line or Interface IPC-99
Controlling Policy Routing and the Filtering of Routing Information IPC-99
Controlling Dialer Functions IPC-99
Configuring the Hot Standby Router Protocol IPC-100
Enabling HSRP IPC-101
Configuring HSRP Group Attributes IPC-102
Changing the HSRP MAC Refresh Interval IPC-102
Enabling HSRP MIB Traps IPC-103
Enabling HSRP Support for MPLS VPNs IPC-103
Defining VPNs IPC-104
Enabling HSRP IPC-104
Verifying HSRP Support for MPLS VPNs IPC-105
Enabling HSRP Support for ICMP Redirect Messages IPC-105
Redirects to Active HSRP Routers IPC-105
Redirects to Passive HSRP Routers IPC-107
Redirects to Non-HSRP Routers IPC-107
Passive HSRP Router Advertisements IPC-107
Redirects Not Sent IPC-107
Configuring HSRP Support for ICMP Redirect Messages IPC-108
Configuring IP Accounting IPC-108
Configuring IP MAC Accounting IPC-109
Configuring IP Precedence Accounting IPC-110
Configuring TCP Performance Parameters IPC-110
Compressing TCP Packet Headers IPC-111
Expressing TCP Header Compression IPC-111
Changing the Number of TCP Header Compression Connections IPC-112
Setting the TCP Connection Attempt Time IPC-112
Enabling TCP Path MTU Discovery IPC-112
Enabling TCP Selective Acknowledgment IPC-113
Enabling TCP Time Stamp IPC-114
Setting the TCP Maximum Read Size IPC-114
Setting the TCP Window Size IPC-114
Setting the TCP Outgoing Queue Size IPC-115
Configuring IP over WANs IPC-115
Configuring the MultiNode Load Balancing Forwarding Agent IPC-115