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Network Administration for the Solaris 9 Operating Environment SA-399 Student Guide phần 5

Làm việc trên một hệ thống phi-router, sử dụng tiện ích ping để cố gắng liên hệ với một hệ thống phi-router trên một trong các mạng con khác. sys12 # ping sys23 ICMP Host Unreachable từ cổng sys12 (192.168.1.2) cho icmp từ sys12 (192.168.1.2) đến sys23 (192.168.2.3 phản ứng từ các tiện ích ping là gì? ICMP Unreachable chủ nhà từ cổng. | Exercise Solutions Individually Working on Non-Router Systems 35. Working on a non-router system use the ping utility to attempt to contact a non-router system on one of the other subnets. sys12 ping sys23 ICMP Host Unreachable from gateway sys12 192.168.1.2 for icmp from sys12 192.168.1.2 to sys23 192.168.2.3 What is the response from the ping utility ICMP Host Unreachable from gateway. Subnet Group Working on Your Router System 36. Manually add routes by using the route utility to the remote subnets. sys11 route add net add net 192.168.2.0 sys11 route add net add net 192.168.3.0 sys11 route add net add net 192.168.3.0 sys11 192.168.2.0 192.168.30.32 gateway 192.168.30.32 192.168.3.0 192.168.30.33 gateway 192.168.30.33 192.168.4.0 192.168.30.34 gateway 192.168.30.34 Individually Working on Non-Router Systems 37. Manually add routes by using the route utility to the remote subnets. sys12 route add net 192.168.30.0 192.168.1.1 add net 192.168.30.0 gateway 192.168.1.1 sys12 route add net 192.168.2.0 192.168.1.1 add net 192.168.2.0 gateway 192.168.1.1 sys12 route add net 192.168.3.0 192.168.1.1 add net 192.168.3.0 gateway 192.168.1.1 sys12 route add net 192.168.4.0 192.168.1.1 add net 192.168.4.0 gateway 192.168.1.1 sys12 Configuring Routing 7-67 Copyright 2002 Sun Microsystems Inc. All Rights Reserved. Enterprise Services Revision A Exercise Solutions Individually Working on All Systems 38. Working on all systems observe the route tables. On non-router systems sys12 netstat -r Routing Table IPv4 Flags Ref Use Interface Destination Gateway 192.168 1.0 sys12 U 1 0 hme0 192.168.2.0 sys11 UG 1 0 192.168.3.0 sys11 UG 1 0 192.168.4.0 sys11 UG 1 0 192.168.30.0 sys11 UG 1 0 224.0.0.0 sys12 U 1 0 hme0 localhost localhost UH 2 6 lo0 sys12 On router systems sys11 netstat -r Routing Table IPv4 Flags Ref Use Interface Destination Gateway 192.168.1.0 sys11 U 1 16 qfe0 192.168.2.0 sys21ext UG 1 0 192.168.3.0 sys31ext UG 1 0 192.168.3.0 sys41ext UG 1 0 192.168.30.0 sys11ext U 1 14 .