... Router# show access- lists [ACL_#_or_name] Router# show ip access- list [ACL_#_or_name] Here is an example of the show access- lists command: Router# show access- lists Extended IPaccess list 100 ... _ 13 Which router command creates a standard named ACL called test? A B C D ip access- list test access- list test ip access- list standard test access- list standard test 14 Enter the router command ... 13 IPAccessListsStandardIP ACL Extended IP ACL Source address Yes Yes Destination address No Yes IP protocol (i.e., TCP or UDP) No Yes Protocol information (i.e., port number) Comparing Standard...
... U.U.U Router4 R4#show ip access- lists Extended IPaccess list INBOUND 10 permit ospf any any (1 match) 20 permit tcp any any eq telnet 30 Dynamic ACCESS permit ip any any 40 deny ip any any log Sau ... Router4 R4#show ip access- lists Extended IPaccess list INBOUND 10 permit ospf any any (43 matches) 20 permit tcp any any eq telnet (113 matches) 30 Dynamic ACCESS permit ip any any permit ip host 150.1.5.5 ... người dùng access- list 100 deny ip any any log thêm câu lệnh để kiếm soát xem có packets match với ACL Bước 4: Kiểm tra RouterA Trước telnet từ PCB Ra#show ip access- lists Extended IPaccess list...
... 10 Apply access list to the proper router interface a First remove the old access list application by typing no ip access- group in at the interface configuration mode b Apply the new access list ... _ Step Apply the Access list to the interface a At the FastEthernet interface mode prompt type the following: GAD(config-if) #ip access- group in Step Ping the router from ... _ Step Create a new access list a Now create an access list that will prevent the even numbered hosts from pinging but permit the odd numbered one b What will that access list look like? Finish...
... 10 Apply access list to the proper router interface a First remove the old access list application by typing no ip access- group in at the interface configuration mode b Apply the new access list ... Systems, Inc b What will that access list look like? Finish this command with an appropriate comparison IP address (aaa.aaa.aaa.aaa) and wildcard mask (www.www.www.www): ip access- list permit aaa.aaa.aaa.aaa ... and repeat until they are successful Step Prevent access to the Ethernet interface from the hosts a Create an access list that will prevent access to FastEthernet from the 192.168.14.0 network...
... rights reserved ICND v2.0—6-9 How to Identify AccessLists • StandardIPlists (1-99) test conditions of all IP packets from source addresses • Extended IPlists (100-199) test conditions of source ... configure standard and extended IPaccess lists, and NAT/PAT, given a functioning router • Use show commands to identify anomalies in standard and extended IPaccess lists, given an operational router ... addresses, specific TCP /IP protocols, and destination ports • StandardIPlists (1300-1999) (expanded range) • Extended IPlists (2000-2699) (expanded range) • Other access list number ranges...
... Las_Vegas(config-int) #ip access- group 101 in All administrators are located in Tulsa on network 172.16.4.0/24 Configure a StandardIPaccess list to allow access to the terminal lines only to that network: access- list ... Internet: access- list 102 deny icmp any any access- list 102 deny icmp any any 10 access- list 102 permit ip any any Apply access list 102 as an outbound access control list to the Dallas router interface ... Solution Configure an extended IPaccess list on the Las Vegas router The list should contain the following entry to allow access to the Time and Attendance application: access- list 101 permit tcp...
... Control access list logging standardStandardAccess List Router(config) #ip access- list standard ? StandardIP access- list number WORD Access- list name Router(config) #ip access- list standard ... Router(config)#int e1 Router(config-if) #ip access- group 110 out Named AccessLists 命名访问列表是创建标准和扩展访问列表的另外 种方法.它允许你使用命名的方法来创建 和应用标准或者扩展访问列表.使用 ip access- list 命令来创建,如下: Router(config) #ip access- list ? extended Extended ... 应用在接口上,之前说过了尽可能的把 IP 标准 ACL 放置在离目标地址近的地 方,所以使用 ip access- group 命令把 ACL 10 放在 E1 接口,方向为出,即 out.如下: Router(config)#int e1 Router(config-if) #ip access- group 10 out Controlling VTY(Telnet) Access 使用 IP 标准 ACL...
... types of accesslists for different network protocols use different ranges of access list numbers (e.g., IP uses 1-99 for standardaccesslists and 100-199 for extended access lists; IPX uses ... Page 45 Cisco IOS Accesslists 2.4 Building and maintaining accesslists So far, we have seen many examples of access lists, but I have not shown how standard and extended accesslists are entered ... route-filtering accesslists 151 Page Cisco IOS Accesslists Chapter Route Maps 155 6.1 Other access list types .156 6.1.1 Prefix lists 156 6.1.2 AS-path access lists...
... GAD(config) #access- list 101 deny tcp 192.168.14.0 0.0.0.255 any eq 80 GAD(config) #access- list 101 permit ip any any c Why is the second statement needed? Step Apply the access ... server function is active Step Prevent access to HTTP (port 80) the Ethernet interface from the hosts a Create an access list that will prevent Web browsing access to FastEthernet from the 192.168.14.0 ... Step Configure the hosts on the Ethernet segment a Host IP address Subnet mask Default gateway 192.168.14.2 255.255.255.0 192.168.14.1 b Host IP address Subnet mask Default gateway 192.168.14.3 255.255.255.0...
... GAD(config) #access- list 101 deny tcp 192.168.14.0 0.0.0.255 any eq 80 GAD(config) #access- list 101 permit ip any any c Why is the second statement needed? Step Apply the access ... server function is active Step Prevent access to HTTP (port 80) from the Ethernet interface hosts a Create an access list that will prevent Web browsing access to FastEthernet from the 192.168.14.0 ... according to the chart b Allow HTTP access by issuing the ip http server command in global configuration mode Step Configure the hosts on the Ethernet segment a Host IP address Subnet mask Default...
... BHM#show access- lists Extended IPaccess list 100 permit ip host 192.168.1.34 172.16.2.0 0.0.0.255 deny ip 192.168.1.32 0.0.0.15 172.16.2.0 0.0.0.255 permit ip any any BHM# h Now test the access ... deny ip 192.168.1.32 0.0.0.15 172.16.2.0 0.0.0.255 access- list 100 permit ip any any i Another valuable command is the show access- lists command The following is a sample output BHM#show access- lists ... the show access- lists command How many matches are there? 4-7 CCNA 2: Simple Extended AccessLists v 3.0 - Lab 11.2.2b Copyright 2003, Cisco Systems, Inc Note: The show access- lists...
... syntax of the accesslists with the show -access- lists command The output should be similar to the following: GAD#show access- lists GAD#show access- lists Extended IPaccess list 101 permit ip 10.10.10.0 ... should be similar to the following: GAD#show access- lists Extended IPaccess list 101 permit ip 10.10.10.0 0.0.0.255 any deny ip any any Extended IPaccess list 102 permit tcp any any established ... permit icmp any any unreachable deny ip any any (4 matches) Extended IPaccess list 111 permit ip 10.1.1.0 0.0.0.255 any (59 matches) deny ip any any Extended IPaccess list 112 permit tcp any host...
... Verify the AccessLists a Now that the accesslists have been applied, they need to be verified First, verify what lists have been defined From a CLI session on one of the routers with access lists, ... of the routers with access lists, display the accesslists with the Boaz#show ip access- lists command Record the information about one of the accesslists ... multiple access control lists? _ _ For what reasons might it be better to use a single access control lists? ...
... SanJose1 to perform IP session filtering Configure a reflexive access list, as shown: SanJose1(config) #ip access- list extended FILTER-IN SanJose1(config-ext-nacl)#permit ip any any reflect GOODGUYS ... SanJose1(config) #ip access- list extended FILTER-OUT SanJose1(config-ext-nacl)#evaluate GOODGUYS SanJose1(config-ext-nacl)#exit SanJose1(config)#int e0 SanJose1(config-if) #ip access- group FILTER-IN ... SanJose1(config-if) #ip access- group FILTER-IN in SanJose1(config-if) #ip access- group FILTER-OUT out These commands create two named access lists, FILTER-IN and FILTER-OUT The FILTER-IN list monitors packet...
... SanJose1 to perform IP session filtering Configure a reflexive access list, as shown: SanJose1(config) #ip access- list extended FILTER-IN SanJose1(config-ext-nacl)#permit ip any any reflect GOODGUYS ... SanJose1(config) #ip access- list extended FILTER-OUT SanJose1(config-ext-nacl)#evaluate GOODGUYS SanJose1(config-ext-nacl)#exit SanJose1(config)#int e0 SanJose1(config-if) #ip access- group FILTER-IN ... SanJose1(config-if) #ip access- group FILTER-IN in SanJose1(config-if) #ip access- group FILTER-OUT out These commands create two named access lists, FILTER-IN and FILTER-OUT The FILTER-IN list monitors packet...
... ethernet0 ip address 172.18.23.9 255.255.255.0 ip access- group 101 in access- list 101 permit tcp any host 172.18.23.2 eq telnet access- list 101 dynamic mytestlist timeout 120 permit ip any any ... ppp authentication chap ip access- group 102 in ! access- list 102 permit tcp any host 172.18.21.2 eq telnet access- list 102 dynamic testlist timeout permit ip any any ! ! ip route 172.18.250.0 255.255.255.0 ... ethernet0 ip address 172.18.23.9 255.255.255.0 ! interface BRI0 ip address 172.18.21.1 255.255.255.0 encapsulation ppp dialer idle-timeout 3600 dialer wait-for-carrier-time 100 dialer map ip 172.18.21.2...
... Router (config-if)# ip access- group access- list-number { in || out } ip access- group access- list-number { in out } Access list number: 99 Commands: Router# show access- listsStandard ACL examples ... Router (config-if)# ip access- group access- list-number { in | out } ip access- group access- list-number { in | out } Access list number: 100 199 Commands: Router# show access- lists Reserved ... ip access- group name {in | out} ip access- group name {in | out} Router# show access- lists show access- lists Name ACL examples Placing ACLs Firewall architecture Restricting virtual terminal access...
... ACCESS- LISTS - NON ROUTABLE PROTOCOLS Key Commands Shows and Debugs NetBIOS accesslists Does not have an access- list number range! Netbios access- list host MyList deny NetBiosName Netbios access- list ... tokenring Netbios output -access- filter host MyList Netbios input -access- filter host MyList Additional Commands Access Expressions Combines netbios, lsap and mac accesslists Can use: Lsap(200) ... Dmac(700) Netbios-host(netbios access list name) With the above lists: Access- expression in lsap(201) | (lsap(200) & dmac(701)) On token ring: Interface tokenring Access- expression in expression...
... IDF/MDF/POP Equipment Type Model No Qty No./Type Ports Description/Function Cost No./Type Ports Description/Function Cost No./Type Ports Description/Function Cost Main Building Floor IDF Equipment Type ... Encapsulation (if needed) Case Study: Access Control Lists (ACLs) 1-7 Location: Switch Name: Switch IP address: Interface/Sub interface Type/Port/Number Description and Purpose Speed Duplex Network ... Description and Purpose DCE/DTE (if applicable) Below is the sample layout for the switch tables Location: Switch Name: Switch IP address: Interface/Sub Interface Type/Port/Number Description...