Cisco Systemsメーカー7600 SERIESの使用説明書/サービス説明書
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CH A P T E R 23-1 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 23 Configuring Network Security This chapter contains n etwork security information unique to the .
23-2 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Hardware and Software ACL Support Wi t h t h e ip unr eachable s comm.
23-3 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Guidelines and Restrictio ns for Using Layer 4 Operators in ACLs • Flo ws that require logging are processed in software witho ut impacting nonlog ged flo w processing in hardware.
23-4 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring the Cisco IOS Firewall Feature Set Determining Logical Operation Unit Usage Logical operation units (LOUs) are registers that st ore operator-operand cou ples.
23-5 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring the Cisco IO S Firewall Feature Se t • Fire wall Configu.
23-6 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring the Cisco IOS Firewall Feature Set Note Cisco 7600 series router s support the Intrusi on Detection System Module (ID SM) (WS-X6381-IDS).
23-7 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring MAC Address-Based Tra ffic Blocking Router(config-if)# exi.
23-8 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring VLAN ACLs This exampl e sho ws ho w to block all traf fic to or from MA C address 0050.3e8d.6400 in VLAN 12: Router# configure terminal Router(config)# mac-address-table static 0050.
23-9 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs is first checked against the output ACL applied to the routed interface and, if permitt ed, the VACL configured for the destinat ion VLAN is applied.
23-10 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring VLAN ACLs Routed Packets Figure 23-2 sh ow s ho w A CLs are applied on routed and Layer 3-switched pack ets.
23-11 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs Multicast Packets Figure 23-3 sho ws how A CLs are applied on packets that need multicast e xpansion.
23-12 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring VLAN ACLs • VLAN Access Map Conf iguration and V e rif.
23-13 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs When defini ng a VLAN access map, note the follo wing syntax information: • T o insert or modify an entry , specify the map sequence number .
23-14 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring VLAN ACLs Configuring an Action Clause in a VLAN Access .
23-15 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs When applying a VLAN access map, note the follow ing syntax informati o n: • Y ou can apply the VLAN access map to on e or more VLANs or W AN interfaces.
23-16 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring VLAN ACLs This exampl e sho ws how to def ine and apply a VLAN ac cess map to forward IP packets.
23-17 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs When config uring a capture port, note th e follo wing syntax information: • W ith Release 12.1(13)E and later releases, you can co nfigure an y port as a capture port.
23-18 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring TCP Interc ept These restrictions apply to V A CL logging: • Supported only with Su pervisor Engine 2.
23-19 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring Unicast Re verse Path Forwarding Configuring Unicast Reve.
23-20 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring Unicast Re verse Path Forwarding This e xample sho ws ho.
23-21 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring Unicast Flood Protection This example sho ws how to enabl.
23-22 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring MAC Move Notification When config uring unicast flood pr.
23-23 Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E 78-14064-04 Chapter 23 Con figuring Network Security Configuring MAC Move Notification This exampl e sho ws ho w to enable.
23-24 Cisco 7600 Series Router Cisco IOS Software C onfiguration Guide—12.1E 78-14064-04 Chapter 23 Configur ing Network Security Configuring MAC Move Notification.
デバイスCisco Systems 7600 SERIESの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Cisco Systems 7600 SERIESをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはCisco Systems 7600 SERIESの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Cisco Systems 7600 SERIESの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Cisco Systems 7600 SERIESで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Cisco Systems 7600 SERIESを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はCisco Systems 7600 SERIESの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Cisco Systems 7600 SERIESに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちCisco Systems 7600 SERIESデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。