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... a Service Request 14 Getting Started Basic Router Configuration 1 Interface Port Labels 1 Viewing the Default Configuration 2 Information Needed for Configuration 4 Configuring Basic Parameters 5 Configure Global Parameters 5 Configure Fast Ethernet LAN Interfaces 6 Configure WAN Interfaces 6 Configure the Fast Ethernet WAN Interface 6 Configure the ATM WAN Interface 7 Configure the Wireless Interface 7 Configuring a Loopback Interface 8 Configuration Example 8 Verifying Your Configuration 9 Configuring Command-Line Access to the Router 9 Configuration Example 11 Configuring Static Routes 11...
... a Service Request 14 Getting Started Basic Router Configuration 1 Interface Port Labels 1 Viewing the Default Configuration 2 Information Needed for Configuration 4 Configuring Basic Parameters 5 Configure Global Parameters 5 Configure Fast Ethernet LAN Interfaces 6 Configure WAN Interfaces 6 Configure the Fast Ethernet WAN Interface 6 Configure the ATM WAN Interface 7 Configure the Wireless Interface 7 Configuring a Loopback Interface 8 Configuration Example 8 Verifying Your Configuration 9 Configuring Command-Line Access to the Router 9 Configuration Example 11 Configuring Static Routes 11...
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... to configure LAN and WAN interfaces, routing, Network Address Translation (NAT), firewalls, VPNs, and other SDM documentation, go /sdm and click the Technical Documentation link. You can use the Cisco Router and Security Device Manager (SDM)-a web-based configuration tool that network administrators with minimal familiarity with Cisco routers use this guide, and the text and command conventions used throughout the guide. Cisco 857 DSL Access Router • Cisco 870 Series Routers - Cisco 871 Ethernet Access Router - OL-5332-01 Cisco 850 Series and Cisco 870 Series Access Routers...
... to configure LAN and WAN interfaces, routing, Network Address Translation (NAT), firewalls, VPNs, and other SDM documentation, go /sdm and click the Technical Documentation link. You can use the Cisco Router and Security Device Manager (SDM)-a web-based configuration tool that network administrators with minimal familiarity with Cisco routers use this guide, and the text and command conventions used throughout the guide. Cisco 857 DSL Access Router • Cisco 870 Series Routers - Cisco 871 Ethernet Access Router - OL-5332-01 Cisco 850 Series and Cisco 870 Series Access Routers...
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... Interface Fast Ethernet LAN Fast Ethernet WAN Wireless LAN Port Label LAN (top), FE0-FE3 (bottom) WAN (top), FE4 (bottom) (no label) OL-5332-01 Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 1-1 For complete information on the commands used in Appendix A, "Cisco IOS Basic Skills." For more information on how to access global configuration mode, see the Cisco IOS Release 12.3 documentation set. Interface Port Labels Table 1-1 lists the interfaces supported for Configuration • Configuring Basic Parameters • Configuring Static Routes...
... Interface Fast Ethernet LAN Fast Ethernet WAN Wireless LAN Port Label LAN (top), FE0-FE3 (bottom) WAN (top), FE4 (bottom) (no label) OL-5332-01 Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 1-1 For complete information on the commands used in Appendix A, "Cisco IOS Basic Skills." For more information on how to access global configuration mode, see the Cisco IOS Release 12.3 documentation set. Interface Port Labels Table 1-1 lists the interfaces supported for Configuration • Configuring Basic Parameters • Configuring Static Routes...
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... boot-end-marker ! Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 1-2 OL-5332-01 All of the LAN and WAN interfaces have been created, console and VTY ports are configured, and the inside interface for Network Address Translation has been assigned. Example 1-1 Cisco 851 Default Configuration on Startup Router# show running -config Building configuration... Viewing the Default Configuration Chapter 1 Basic Router Configuration Table 1-1 Supported Interfaces and Associated Port Labels by Cisco Router (continued) Router Cisco 871 Cisco 857 Cisco...
... boot-end-marker ! Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 1-2 OL-5332-01 All of the LAN and WAN interfaces have been created, console and VTY ports are configured, and the inside interface for Network Address Translation has been assigned. Example 1-1 Cisco 851 Default Configuration on Startup Router# show running -config Building configuration... Viewing the Default Configuration Chapter 1 Basic Router Configuration Table 1-1 Supported Interfaces and Associated Port Labels by Cisco Router (continued) Router Cisco 871 Cisco 857 Cisco...
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... the appropriate line from your service provider. DNS server IP address and default gateways • If you and the network administrator must provide you may use DHCP to obtain your IP address, or you with a static IP address. Determine the number of PVCs that the G.SHDSL line conforms to the ITU G.991.2 standard and supports Annex A (North America) or Annex B (Europe). Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 1-4 OL-5332...
... the appropriate line from your service provider. DNS server IP address and default gateways • If you and the network administrator must provide you may use DHCP to obtain your IP address, or you with a static IP address. Determine the number of PVCs that the G.SHDSL line conforms to the ITU G.991.2 standard and supports Annex A (North America) or Annex B (Europe). Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 1-4 OL-5332...
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... 5 30 Router(config)# Step 5 line [aux | console | tty | vty] line-number Example: Router(config)# line vty 0 4 Router(config)# Step 6 password password Example: Router(config)# password aldf2ad1 Router(config)# Step 7 login Example: Router(config)# login Router(config)# Step 8 end Example: Router(config)# end Router# Purpose Enables password checking at the virtual terminal session login. For complete information about the command line commands, see the Cisco IOS Release 12.3 documentation set. 1-10 Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide OL...
... 5 30 Router(config)# Step 5 line [aux | console | tty | vty] line-number Example: Router(config)# line vty 0 4 Router(config)# Step 6 password password Example: Router(config)# password aldf2ad1 Router(config)# Step 7 login Example: Router(config)# login Router(config)# Step 8 end Example: Router(config)# end Router# Purpose Enables password checking at the virtual terminal session login. For complete information about the command line commands, see the Cisco IOS Release 12.3 documentation set. 1-10 Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide OL...
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... changes, the static route must be set . Configuring Static Routes Static routes provide fixed routing paths through the network. Static routes are private routes unless they are manually configured on the Cisco 850 and Cisco 870 series routers is optional. For complete information on static routing, see the Cisco IOS IP Command Reference, Volume 2 of 4: Routing Protocols. You do not need to configure static routes, beginning in the configuration file generated when you use the show running-config command. ! line con 0 exec-timeout 10 0 password 4youreyesonly login...
... changes, the static route must be set . Configuring Static Routes Static routes provide fixed routing paths through the network. Static routes are private routes unless they are manually configured on the Cisco 850 and Cisco 870 series routers is optional. For complete information on static routing, see the Cisco IOS IP Command Reference, Volume 2 of 4: Routing Protocols. You do not need to configure static routes, beginning in the configuration file generated when you use the show running-config command. ! line con 0 exec-timeout 10 0 password 4youreyesonly login...
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... configuration example shows RIP version 2 enabled in global configuration mode: Step 1 Command router eigrp as-number Example: Router(config)# router eigrp 109 Router(config)# Purpose Enters router configuration mode, and enables EIGRP on the router. RIP, M - mobile, B - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - IS-IS inter area, * - per-user static route o - OSPF, IA - OSPF NSSA external type 1, N2 - periodic downloaded static route Gateway of last resort is not set 10.0.0.0/24 is subnetted, 1 subnets C 10.108.1.0 is used to configure...
... configuration example shows RIP version 2 enabled in global configuration mode: Step 1 Command router eigrp as-number Example: Router(config)# router eigrp 109 Router(config)# Purpose Enters router configuration mode, and enables EIGRP on the router. RIP, M - mobile, B - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - IS-IS inter area, * - per-user static route o - OSPF, IA - OSPF NSSA external type 1, N2 - periodic downloaded static route Gateway of last resort is not set 10.0.0.0/24 is subnetted, 1 subnets C 10.108.1.0 is used to configure...
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... external type 2 i - per-user static route o - Configuration Example The following example. router eigrp 109 network 192.145.1.0 network 10.10.12.115 ! You should see verification output similar to be applied, using the IP address of the network of directly connected networks. OSPF inter area N1 - IS-IS, su - IS-IS level-1, L2 - Execute the show running-config command from privileged EXEC mode to see the Cisco IOS Release 12.3 documentation set...
... external type 2 i - per-user static route o - Configuration Example The following example. router eigrp 109 network 192.145.1.0 network 10.10.12.115 ! You should see verification output similar to be applied, using the IP address of the network of directly connected networks. OSPF inter area N1 - IS-IS, su - IS-IS level-1, L2 - Execute the show running-config command from privileged EXEC mode to see the Cisco IOS Release 12.3 documentation set...
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... Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 3-5 Tip Using a dialer group controls access to a specific destination subnetwork. For details about this command and additional parameters that can be set, see the Cisco IOS Security Command Reference. Step 8 exit Exits the dialer 0 interface configuration. Step 10 ip route prefix mask {interface-type interface-number} Example: Router(config)# ip route 10.10.25.2 255.255.255.255 dialer 0 Router(config)# Sets the IP route for the default gateway for the dialer 0 interface. Packets are then forwarded...
... Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 3-5 Tip Using a dialer group controls access to a specific destination subnetwork. For details about this command and additional parameters that can be set, see the Cisco IOS Security Command Reference. Step 8 exit Exits the dialer 0 interface configuration. Step 10 ip route prefix mask {interface-type interface-number} Example: Router(config)# ip route 10.10.25.2 255.255.255.255 dialer 0 Router(config)# Sets the IP route for the default gateway for the dialer 0 interface. Packets are then forwarded...
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... Services. Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 3-6 OL-5332-01 For details about enabling static translation, see the Cisco IOS IP Command Reference, Volume 1 of global IP addresses for either static or dynamic address translations. Packets that can configure NAT for NAT. Example: Router(config)# ip nat pool pool1 192.168.1.0 192.168.2.0 netmask 255.255.252.0 Router(config)# Step 2 Step 3 ip nat inside source {list access-list-number} Enables dynamic translation of addresses on which the Fast Ethernet LAN interfaces...
... Services. Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 3-6 OL-5332-01 For details about enabling static translation, see the Cisco IOS IP Command Reference, Volume 1 of global IP addresses for either static or dynamic address translations. Packets that can configure NAT for NAT. Example: Router(config)# ip nat pool pool1 192.168.1.0 192.168.2.0 netmask 255.255.252.0 Router(config)# Step 2 Step 3 ip nat inside source {list access-list-number} Enables dynamic translation of addresses on which the Fast Ethernet LAN interfaces...
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VLANs The Cisco 870 series access routers support four Fast Ethernet ports on which you have not performed these steps to configure your router for DHCP operation, beginning in this network scenario: • Configure DHCP • Configure VLANs Note The procedures in global configuration mode: Step 1 Command ip domain name name Example: Router(config)# ip domain name smallbiz.com Router(config)# Purpose Identifies the default domain that the router uses to use for your router. If you have already configured basic...
VLANs The Cisco 870 series access routers support four Fast Ethernet ports on which you have not performed these steps to configure your router for DHCP operation, beginning in this network scenario: • Configure DHCP • Configure VLANs Note The procedures in global configuration mode: Step 1 Command ip domain name name Example: Router(config)# ip domain name smallbiz.com Router(config)# Purpose Identifies the default domain that the router uses to use for your router. If you have already configured basic...
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... Routers Software Configuration Guide 7-5 See the Cisco IOS Security Configuration Guide and the Cisco IOS Security Command Reference for details. You could also use a RADIUS server for this . During IKE negotiations, the peers search in global configuration mode: Step 1 Command or Action aaa new-model Purpose Enables the AAA access control model. Example: Router(config)# aaa new-model Router(config)# Step 2 Step 3 Step 4 aaa authentication login {default | list-name} Specifies AAA authentication of all level | reverse-access | configuration} {default | network-related service...
... Routers Software Configuration Guide 7-5 See the Cisco IOS Security Configuration Guide and the Cisco IOS Security Command Reference for details. You could also use a RADIUS server for this . During IKE negotiations, the peers search in global configuration mode: Step 1 Command or Action aaa new-model Purpose Enables the AAA access control model. Example: Router(config)# aaa new-model Router(config)# Step 2 Step 3 Step 4 aaa authentication login {default | list-name} Specifies AAA authentication of all level | reverse-access | configuration} {default | network-related service...
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...based on Cisco IOS software, the Cisco routers act as access points, and are Wi-Fi certified, IEEE 802.11a/b/g-compliant wireless LAN transceivers. This chapter describes how to configure the router using the command-line interface (CLI), the browser-based management system, or Simple Network Management Protocol (SNMP). CH A P T E R 9 Configuring a Wireless LAN Connection The Cisco 850 and Cisco 870 series routers support a secure, affordable, and easy-to-use wireless LAN solution that follows, a remote user is accessing the Cisco 850 or Cisco 870 series access router using a wireless...
...based on Cisco IOS software, the Cisco routers act as access points, and are Wi-Fi certified, IEEE 802.11a/b/g-compliant wireless LAN transceivers. This chapter describes how to configure the router using the command-line interface (CLI), the browser-based management system, or Simple Network Management Protocol (SNMP). CH A P T E R 9 Configuring a Wireless LAN Connection The Cisco 850 and Cisco 870 series routers support a secure, affordable, and easy-to-use wireless LAN solution that follows, a remote user is accessing the Cisco 850 or Cisco 870 series access router using a wireless...
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...access to allow changes or updates to Cisco IOS configurations Configuration Tasks Perform these steps to configure dial backup and remote management for these routers, beginning in DHCP pool configuration mode, see the "Configuration Example" section on the router and enters DHCP pool configuration mode. serves as a failover link for providing backup to Internet service provider series router 2 Modem B Dial backup; For sample commands you can be a string or an integer. • Configure the DHCP address pool. primary connection to the primary WAN line. Chapter 13 Configuring...
...access to allow changes or updates to Cisco IOS configurations Configuration Tasks Perform these steps to configure dial backup and remote management for these routers, beginning in DHCP pool configuration mode, see the "Configuration Example" section on the router and enters DHCP pool configuration mode. serves as a failover link for providing backup to Internet service provider series router 2 Modem B Dial backup; For sample commands you can be a string or an integer. • Configure the DHCP address pool. primary connection to the primary WAN line. Chapter 13 Configuring...
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... the Cisco IOS Debug Command Reference. Caution Debugging is assigned a high priority in privileged EXEC mode. • To view debugging messages on the network is on your router, enter the terminal monitor command. Physical layer interface module (PLIM) type. Example 14-4 Viewing ATM Errors Router# debug atm errors ATM errors debugging is not adversely affected. Configured maximum number of this reason, use debug commands only to troubleshoot specific problems. The best time to display ATM errors. You...
... the Cisco IOS Debug Command Reference. Caution Debugging is assigned a high priority in privileged EXEC mode. • To view debugging messages on the network is on your router, enter the terminal monitor command. Physical layer interface module (PLIM) type. Example 14-4 Viewing ATM Errors Router# debug atm errors ATM errors debugging is not adversely affected. Configured maximum number of this reason, use debug commands only to troubleshoot specific problems. The best time to display ATM errors. You...
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Appendix A Cisco IOS Software Basic Skills Understanding Command Modes Table A-2 Command Modes Summary Mode User EXEC Access Method Begin a session with a specific interface, such as interface atm 0) from global configuration mode. Router (config-if)# Exit and Entrance Method About This Mode To exit a router session, enter Use this mode for these tasks: mode, enter the disable • Configure your router. To prevent unauthorized changes to your exit or end command, or router as described in "Enable Secret Passwords and Enable Passwords" later in this...
Appendix A Cisco IOS Software Basic Skills Understanding Command Modes Table A-2 Command Modes Summary Mode User EXEC Access Method Begin a session with a specific interface, such as interface atm 0) from global configuration mode. Router (config-if)# Exit and Entrance Method About This Mode To exit a router session, enter Use this mode for these tasks: mode, enter the disable • Configure your router. To prevent unauthorized changes to your exit or end command, or router as described in "Enable Secret Passwords and Enable Passwords" later in this...
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... Authentication Protocols • TACACS+ • Network Interfaces • Dial Backup • NAT • Easy IP (Phase 1) • Easy IP (Phase 2) • QoS • Access Lists ADSL is always on and always connected, increasing bandwidth and lowering the costs compared with always-on access (which eliminates call setup), makes ADSL ideal for Internet and intranet surfing, video on demand, and remote LAN access. For information on local loops created within...
... Authentication Protocols • TACACS+ • Network Interfaces • Dial Backup • NAT • Easy IP (Phase 1) • Easy IP (Phase 2) • QoS • Access Lists ADSL is always on and always connected, increasing bandwidth and lowering the costs compared with always-on access (which eliminates call setup), makes ADSL ideal for Internet and intranet surfing, video on demand, and remote LAN access. For information on local loops created within...
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... Series and Cisco 870 Series Access Routers Software Configuration Guide C-1 You can use the ROM monitor, you must be using a terminal or PC that is connected to boot up or reset. ROM Monitor C A P P E N D I X The ROM monitor firmware runs when the router is powered up in ROM monitor mode the next time it is rebooted. Step 1 Command enable Step 2 Step 3 configure terminal config-reg 0x0 Purpose Enters privileged EXEC mode. If there is no Cisco IOS software image loaded...
... Series and Cisco 870 Series Access Routers Software Configuration Guide C-1 You can use the ROM monitor, you must be using a terminal or PC that is connected to boot up or reset. ROM Monitor C A P P E N D I X The ROM monitor firmware runs when the router is powered up in ROM monitor mode the next time it is rebooted. Step 1 Command enable Step 2 Step 3 configure terminal config-reg 0x0 Purpose Enters privileged EXEC mode. If there is no Cisco IOS software image loaded...
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...3 remote configuration 10 verify configuration 11 EIGRP configuration example 15 configuring 14 overview 2, 3 enable password recovering 12 setting 5 enable secret password recovering 12 setting 5 encapsulation 6 Enhanced Interior Gateway Routing Protocol See EIGRP error messages, configuration 6 error reporting, ROM monitor 8 errors, ATM, displaying 6 Ethernet 5 events, ATM, displaying 7 experience, user 11 extended access list, overview 11 F Fast Ethernet LAN interfaces, configuring 6 Fast Ethernet WAN interface, configuring 6, 3 filtering See access lists firewalls access list configuration...
...3 remote configuration 10 verify configuration 11 EIGRP configuration example 15 configuring 14 overview 2, 3 enable password recovering 12 setting 5 enable secret password recovering 12 setting 5 encapsulation 6 Enhanced Interior Gateway Routing Protocol See EIGRP error messages, configuration 6 error reporting, ROM monitor 8 errors, ATM, displaying 6 Ethernet 5 events, ATM, displaying 7 experience, user 11 extended access list, overview 11 F Fast Ethernet LAN interfaces, configuring 6 Fast Ethernet WAN interface, configuring 6, 3 filtering See access lists firewalls access list configuration...