tailieunhanh - cisco press ccna portable command guide 2nd edition 640 802 phần 4

- Tạo tin nhắn ngày (motd) banner - Tạo một biểu ngữ đăng nhập - Thiết lập khu vực đồng hồ thời gian - Phân công một tên máy chủ địa phương đến một địa chỉ IP - không có lĩnh vực tra cứu lệnh ip - các lệnh đăng nhập đồng bộ Thật vậy, thực tế thời gian | Configuration Example EIGRP 89 Houston config-if clock rate 56000 Sets the clock rate. Houston config-if no shutdown Enables the interface. Houston config-if interface fastethernet 0 1 Enters interface configuration mode. Houston config-if ip address Assigns the IP address and netmask. Houston config-if no shutdown Enables the interface. Houston config-if router eigrp 100 Enables EIGRP routing. Houston config-router no auto-summary Disables auto-summarization. Houston config-router eigrp log -neighbor-changes Changes with neighbors will be displayed. Houston config-router network Advertises directly connected networks classful address only . Houston config-router key chain eddie Identifies a key chain name which must match the name configured in interface configuration mode. Houston config-keychain key 1 Identifies the key number. Houston config-keychain-key key-string tower Identifies the key string. Houston config-keychain-key accept-lifetime 06 30 00 Apr 19 2007 infinite Specifies the period during which the key can be received. Houston config-keychain-key send-lifetime 06 30 00 Apr 19 2007 09 45 00 Apr 19 2007 Specifies the period during which the key can be sent. Houston config-keychain-key exit Returns to global configuration mode. Houston config exit Returns to privileged mode. Houston copy running-config startupconfig Saves the configuration to NVRAM. This page intentionally left blank CHAPTER 10 Single Area OSPF This chapter provides information and commands concerning the following topics Configuring OSPF Mandatory commands Using wildcard masks with OSPF areas Configuring OSPF Optional commands Loopback interfaces Router ID DR BDR elections Modifying cost metrics Authentication Simple Authentication Using MD5 encryption Timers Propagating a default route Verifying OSPF configuration Troubleshooting OSPF Configuration example Single area OSPF Configuring OSPF Mandatory Commands Router config router ospf 123 Starts OSPF