【正文】
面對(duì)急需發(fā)展的企業(yè)信息化,中小型企業(yè)應(yīng)該盡快建設(shè)成一個(gè)低成本,高性能,滿足企業(yè)發(fā)展需求的企業(yè)網(wǎng)絡(luò) . 參考資料:( 1) 思科提供給中小型企業(yè)的網(wǎng)絡(luò)安全解決方案 (2)。 ISAshow running Building configuration... Current configuration : 873 bytes ! version no service passwordencryption 17 ! hostname ISA ! ! ! ! ! ip ssh version 1 no ip domainlookup ! ! interface FastEther0/0 ip address ip accessgroup 100 in duplex auto speed auto ! interface FastEther1/0 ip address duplex auto speed auto ! 18 interface Serial2/0 ip address ! interface Serial3/0 no ip address shutdown ! interface FastEther4/0 no ip address shutdown ! interface FastEther5/0 no ip address shutdown ! router ospf 100 logadjacencychanges work area 0 work area 0 work area 0 ! ip classless 19 ! ! accesslist 100 deny tcp host eq accesslist 100 permit ip any any ! ! ! line con 0 line vty 0 4 login ! ! End Router1show running Building configuration... Current configuration : 712 bytes ! version no service passwordencryption ! 20 hostname Router1 ! ! ! ! ! ip ssh version 1 ! ! interface FastEther0/0 no ip address duplex auto speed auto shutdown ! interface FastEther1/0 no ip address duplex auto speed auto shutdown ! interface Serial2/0 21 ip address clock rate 2021000 ! interface Serial3/0 ip address clock rate 2021000 ! interface FastEther4/0 no ip address shutdown ! interface FastEther5/0 no ip address shutdown ! router ospf 100 logadjacencychanges work area 0 work area 0 ! ip classless ! 22 ! ! ! ! line con 0 line vty 0 4 login ! ! End Router2sh running Building configuration... Current configuration : 692 bytes ! version no service passwordencryption