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Dalam protokol jaringan TCP/IP, sebuah port adalah mekanisme yang mengizinkan sebuah komputer untuk mendukung beberapa sesi koneksi dengan komputer lainnya dan program di dalam jaringan. Port dapat mengidentifikasikan aplikasi dan layanan yang menggunakan koneksi di dalam jaringan TCP/IP. Sehingga, port juga mengidentifikasikan sebuah proses tertentu di mana sebuah server dapat memberikan sebuah layanan kepada klien atau bagaimana sebuah klien dapat mengakses sebuah layanan yang ada dalam server. Port dapat dikenali dengan angka 16-bit (dua byte) yang disebut dengan Port Number dan diklasifikasikan dengan jenis protokol transport apa yang digunakan, ke dalam Port TCP dan Port UDP. Karena memiliki angka 16-bit, maka total maksimum jumlah port untuk setiap protokol transport yang digunakan adalah 65536 buah.
Dilihat dari penomorannya, port UDP dan TCP dibagi menjadi tiga jenis, yakni sebagai berikut:
- Well-known Port: yang pada awalnya berkisar antara 0 hingga 255 tetapi kemudian diperlebar untuk mendukung antara 0 hingga 1023. Port number yang termasuk ke dalam well-known port, selalu merepresentasikan layanan jaringan yang sama, dan ditetapkan oleh Internet Assigned Number Authority (IANA). Beberapa di antara port-port yang berada di dalam range Well-known port masih belum ditetapkan dan direservasikan untuk digunakan oleh layanan yang bakal ada pada masa depan. Well-known port didefinisikan dalam RFC 1060.
- Registered Port: Port-port yang digunakan oleh vendor-vendor komputer atau jaringan yang berbeda untuk mendukung aplikasi dan sistem operasi yang mereka buat. Registered port juga diketahui dan didaftarkan oleh IANA tetapi tidak dialokasikan secara permanen, sehingga vendor lainnya dapat menggunakan port number yang sama. Range registered port berkisar dari 1024 hingga 49151 dan beberapa port di antaranya adalah Dynamically Assigned Port.
- Dynamically Assigned Port: merupakan port-port yang ditetapkan oleh sistem operasi atau aplikasi yang digunakan untuk melayani request dari pengguna sesuai dengan kebutuhan. Dynamically Assigned Port berkisar dari 1024 hingga 65536 dan dapat digunakan atau dilepaskan sesuai kebutuhan.
Cara kerja router dapat dilihat pada gambar diatas. Pada gambar diatas terdapat dua buah network yang terhubung pada sebuah router. Network yang berada pada sebelah kiri yang terhubung ke port 1 router mempunyai alamat 192.168.1.0 serta pada network yang sebelah kanan yang terhubung ke port 2 router mempunyai alamat 192.155.2.0. Cara penggunaan akses telnet ini yaitu dengan membuka command prompt pada Windows (Start - Run - cmd) atau terminal pada Linux. Kemudian ketikkan “telnet” dilanjutkan dengan alamat IP interface router yang akan diakses.
Well-known Port[sunting | sunting sumber]
berikut ini berisi Well-known Port.
Port | Jenis Port | Keyword | Digunakan oleh |
---|---|---|---|
0 | TCP, UDP | T/A. | Dicadangkan, tidak digunakan. |
1 | TCP, UDP | TCPmux | TCP Port Service Multiplexer |
2 | TCP, UDP | compressnet | Management Utility |
3 | TCP, UDP | compressnet | Compression Process |
4 | TCP, UDP | T/A | Belum ditetapkan |
5 | TCP, UDP | rje | Remote Job Entry |
6 | TCP, UDP | T/A | Belum ditetapkan |
7 | TCP, UDP | echo | Echo |
8 | TCP, UDP | T/A | |
9 | TCP, UDP | discard | Discard;alias=sink null |
10 | TCP, UDP | T/A | Belum ditetapkan |
11 | TCP, UDP | systat | Active Users; alias = users |
12 | TCP, UDP | T/A | Belum ditetapkan |
13 | TCP, UDP | daytime | Daytime |
14 | TCP, UDP | T/A | Belum ditetapkan |
15 | TCP, UDP | T/A | Belum ditetapkan (sebelumnya: netstat) |
16 | TCP, UDP | T/A | Belum ditetapkan |
17 | TCP, UDP | qotd | Quote of the Day; alias = quote |
18 | TCP, UDP | msp | Message Send Protocol |
19 | TCP, UDP | chargen | Character Generator; alias = ttytst source |
20 | TCP, UDP | ftp-data | File Transfer Protocol (default data) |
21 | TCP, UDP | ftp | File Transfer Protocol (control), connection dialog |
22 | TCP, UDP | SSH | Putty |
23 | TCP, UDP | telnet | Telnet |
24 | TCP, UDP | Any private mail system | |
25 | TCP, UDP | smtp | Simple Mail Transfer Protocol; alias = mail |
26 | TCP, UDP | T/A | Belum ditetapkan |
27 | TCP, UDP | nsw-fe | NSW User System FE |
28 | TCP, UDP | T/A | Belum ditetapkan |
29 | TCP, UDP | msg-icp | MSG ICP |
30 | TCP, UDP | T/A | Belum ditetapkan |
31 | TCP, UDP | msg-auth | MSG Authentication |
32 | TCP, UDP | Belum ditetapkan | |
33 | TCP, UDP | dsp | Display Support Protocol |
34 | TCP, UDP | T/A | Belum ditetapkan |
35 | TCP, UDP | Any private printer server | |
36 | TCP, UDP | T/A | Belum ditetapkan |
37 | TCP, UDP | time | Time; alias = timeserver |
38 | TCP, UDP | T/A | Belum ditetapkan |
39 | TCP, UDP | rlp | Resource Location Protocol; alias = resource |
40 | TCP, UDP | T/A | Belum ditetapkan |
41 | TCP, UDP | graphics | Graphics |
42 | TCP, UDP | nameserver | Host Name Server; alias = nameserver |
43 | TCP, UDP | nicname | Who Is; alias = nicname |
44 | TCP, UDP | mpm-flags | MPM FLAGS Protocol |
45 | TCP, UDP | mpm | Message Processing Module |
46 | TCP, UDP | mpm-snd | MPM (default send) |
47 | TCP, UDP | ni-ftp | NI FTP |
48 | TCP, UDP | T/A | Belum ditetapkan |
49 | TCP, UDP | login | Login Host Protocol |
50 | TCP, UDP | re-mail-ck | Remote Mail Checking Protocol |
51 | TCP, UDP | la-maint | IMP Logical Address Maintenance |
52 | TCP, UDP | xns-time | XNS Time Protocol |
53 | TCP, UDP | domain | Domain Name System Server |
54 | TCP, UDP | xns-ch | XNS Clearinghouse |
55 | TCP, UDP | isi-gl | ISI Graphics Language |
56 | TCP, UDP | xns-auth | XNS Authentication |
57 | TCP, UDP | Any private terminal access | |
58 | TCP, UDP | xns-mail | XNS Mail |
59 | TCP, UDP | Any private file service | |
60 | TCP, UDP | T/A | Belum ditetapkan |
61 | TCP, UDP | ni-mail | NI MAIL |
62 | TCP, UDP | acas | ACA Services |
63 | TCP, UDP | via-ftp | VIA Systems – FTP |
64 | TCP, UDP | covia | Communications Integrator (CI) |
65 | TCP, UDP | tacacs-ds | TACACS-Database Service |
66 | TCP, UDP | sql*net | Oracle SQL*NET |
67 | TCP, UDP | bootpc | DHCP/BOOTP Protocol Server |
68 | TCP, UDP | bootpc | DHCP/BOOTP Protocol Server |
69 | TCP, UDP | TFTP | Trivial File Transfer Protocol |
70 | TCP, UDP | gopher | Gopher |
71 | TCP, UDP | netrjs-1 | Remote Job Service |
72 | TCP, UDP | netrjs-2 | Remote Job Service |
73 | TCP, UDP | netrjs-3 | Remote Job Service |
74 | TCP, UDP | netrjs-4 | Remote Job Service |
75 | UDP | T/A | Any private dial-out service |
76 | TCP, UDP | T/A | Belum ditetapkan |
77 | TCP, UDP | Any private RJE service | |
78 | TCP, UDP | vetTCP | VetTCP |
8019 | TCP, UDP | finger | Finger |
80 | TCP, UDP | www | |
81 | TCP, UDP | hosts2-ns | HOSTS2 Name Server |
82 | TCP, UDP | xfer | XFER Utility |
83 | TCP, UDP | mit-ml-dev | MIT ML Device |
84 | TCP, UDP | ctf | Common Trace Facility |
85 | TCP, UDP | mit-ml-dev | MIT ML Device |
86 | TCP, UDP | mfcobol | Micro Focus Cobol |
87 | TCP, UDP | Any private terminal link; alias = ttylink | |
88 | TCP, UDP | kerberos | Kerberos |
89 | TCP, UDP | su-mit-tg | SU/MIT Telnet Gateway |
90 | TCP, UDP | DNSIX Security Attribute Token Map | |
91 | TCP, UDP | mit-dov | MIT Dover Spooler |
92 | TCP, UDP | npp | Network Printing Protocol |
93 | TCP, UDP | dcp | Device Control Protocol |
94 | TCP, UDP | objcall | Tivoli Object Dispatcher |
95 | TCP, UDP | supdup | SUPDUP |
96 | TCP, UDP | dixie | DIXIE Protocol Specification |
97 | TCP, UDP | swift-rvf | Swift Remote Virtual File Protocol |
98 | TCP, UDP | tacnews | TAC News |
99 | TCP, UDP | metagram | Metagram Relay |
100 | TCP | newacct | (unauthorized use) |
101 | TCP, UDP | hostname | NIC Host Name Server; alias = hostname |
102 | TCP, UDP | iso-tsap | ISO-TSAP |
103 | TCP, UDP | gppitnp | Genesis Point-to-Point Trans Net; alias = webster |
104 | TCP, UDP | acr-nema | ACR-NEMA Digital Imag. & Comm. 300 |
105 | TCP, UDP | csnet-ns | Mailbox Name Nameserver |
106 | TCP, UDP | 3com-tsmux | 3COM-TSMUX |
107 | TCP, UDP | rtelnet | Remote Telnet Service |
108 | TCP, UDP | snagas | SNA Gateway Access Server |
109 | TCP, UDP | pop2 | Post Office Protocol version 2 (POP2); alias = postoffice |
110 | TCP, UDP | pop3 | Post Office Protocol version 3 (POP3); alias = postoffice |
111 | TCP, UDP | sunrpc | SUN Remote Procedure Call |
112 | TCP, UDP | mcidas | McIDAS Data Transmission Protocol |
113 | TCP, UDP | auth | Authentication Service; alias = authentication |
114 | TCP, UDP | audionews | Audio News Multicast |
115 | TCP, UDP | sftp | Simple File Transfer Protocol |
116 | TCP, UDP | ansanotify | ANSA REX Notify |
117 | TCP, UDP | uucp-path | UUCP Path Service |
118 | TCP, UDP | sqlserv | SQL Services |
119 | TCP, UDP | nntp | Network News Transfer Protocol (NNTP); alias = usenet |
120 | TCP, UDP | cfdptkt | CFDPTKT |
121 | TCP, UDP | erpc | Encore Expedited Remote Procedure Call |
122 | TCP, UDP | smakynet | SMAKYNET |
123 | TCP, UDP | ntp | Network Time Protocol; alias = ntpd ntp |
124 | TCP, UDP | ansatrader | ANSA REX Trader |
125 | TCP, UDP | locus-map | Locus PC-Interface Net Map Server |
126 | TCP, UDP | unitary | Unisys Unitary Login |
127 | TCP, UDP | locus-con | Locus PC-Interface Connection Server |
128 | TCP, UDP | gss-xlicen | GSS X License Verification |
129 | TCP, UDP | pwdgen | Password Generator Protocol |
130 | TCP, UDP | cisco-fna | Cisco FNATIVE |
131 | TCP, UDP | cisco-tna | Cisco TNATIVE |
132 | TCP, UDP | cisco-sys | Cisco SYSMAINT |
133 | TCP, UDP | statsrv | Statistics Service |
134 | TCP, UDP | ingres-net | INGRES-NET Service |
135 | TCP, UDP | loc-srv | Location Service |
136 | TCP, UDP | profile | PROFILE Naming System |
137 | TCP, UDP | netbios-ns | NetBIOS Name Service |
138 | TCP, UDP | netbios-dgm | NetBIOS Datagram Service |
139 | TCP, UDP | netbios-ssn | NetBIOS Session Service |
140 | TCP, UDP | emfis-data | EMFIS Data Service |
141 | TCP, UDP | emfis-cntl | EMFIS Control Service |
142 | TCP, UDP | bl-idm | Britton-Lee IDM |
143 | TCP, UDP | imap2 | Interim Mail Access Protocol v2 |
144 | TCP, UDP | news | NewS; alias = news |
145 | TCP, UDP | uaac | UAAC Protocol |
146 | TCP, UDP | iso-ip0 | ISO-IP0 |
147 | TCP, UDP | iso-ip | ISO-IP |
148 | TCP, UDP | cronus | CRONUS-SUPPORT |
149 | TCP, UDP | aed-512 | AED 512 Emulation Service |
150 | TCP, UDP | sql-net | SQL-NET |
151 | TCP, UDP | hems | HEMS |
152 | TCP, UDP | bftp | Background File Transfer Program |
153 | TCP, UDP | sgmp | SGMP; alias = sgmp |
154 | TCP, UDP | netsc-prod | Netscape |
155 | TCP, UDP | netsc-dev | Netscape |
156 | TCP, UDP | sqlsrv | SQL Service |
157 | TCP, UDP | knet-cmp | KNET/VM Command/Message Protocol |
158 | TCP, UDP | pcmail-srv | PCMail Server; alias = repository |
159 | TCP, UDP | nss-routing | NSS-Routing |
160 | TCP, UDP | sgmp-traps | SGMP-TRAPS |
161 | TCP, UDP | snmp | Simple Network Management Protocol |
162 | TCP, UDP | snmptrap | SNMP TRAP |
163 | TCP, UDP | cmip-man | CMIP/TCP Manager |
164 | TCP, UDP | cmip-agent | CMIP/TCP Agent |
165 | TCP, UDP | xns-courier | Xerox |
166 | TCP, UDP | s-net | Sirius Systems |
167 | TCP, UDP | namp | NAMP |
168 | TCP, UDP | rsvd | RSVD |
169 | TCP, UDP | send | SEND |
170 | TCP, UDP | print-srv | Network PostScript |
171 | TCP, UDP | multiplex | Network Innovations Multiplex |
172 | TCP, UDP | cl/1 | Network Innovations CL/1 |
173 | TCP, UDP | xyplex-mux | Xyplex |
174 | TCP, UDP | mailq | MAILQ |
175 | TCP, UDP | vmnet | VMNET |
176 | TCP, UDP | genrad-mux | GENRAD-MUX |
177 | TCP, UDP | xdmcp | X Display Manager Control Protocol |
178 | TCP, UDP | nextstep | NextStep Window Server |
179 | TCP, UDP | bgp | Border Gateway Protocol (BGP) |
180 | TCP, UDP | ris | Intergraph |
181 | TCP, UDP | unify | Unify |
182 | TCP, UDP | audit | Unisys Audit SITP |
183 | TCP, UDP | ocbinder | OCBinder |
184 | TCP, UDP | ocserver | OCServer |
185 | TCP, UDP | remote-kis | Remote-KIS |
186 | TCP, UDP | kis | KIS Protocol |
187 | TCP, UDP | aci | Application Communication Interface |
188 | TCP, UDP | mumps | Plus Five’s MUMPS |
189 | TCP, UDP | qft | Queued File Transport |
190 | TCP, UDP | gacp | Gateway Access Control Protocol |
191 | TCP, UDP | prospero | Prospero |
192 | TCP, UDP | osu-nms | OSU Network Monitoring System |
193 | TCP, UDP | srmp | Spider Remote Monitoring Protocol |
194 | TCP, UDP | irc | Internet Relay Chat (IRC) Protocol |
195 | TCP, UDP | dn6-nlm-aud | DNSIX Network Level Module Audit |
196 | TCP, UDP | dn6-smmred | DNSIX Session Management Module Audit Redirector |
197 | TCP, UDP | dls | Directory Location Service |
198 | TCP, UDP | dls-mon | Directory Location Service Monitor |
199 | TCP, UDP | smux | SMUX |
200 | TCP, UDP | src | IBM System Resource Controller |
201 | TCP, UDP | at-rtmp | AppleTalk Routing Maintenance |
202 | TCP, UDP | at-nbp | AppleTalk Name Binding |
203 | TCP, UDP | at-3 | AppleTalk Unused |
204 | TCP, UDP | at-echo | AppleTalk Echo |
205 | TCP, UDP | at-5 | AppleTalk Unused |
206 | TCP, UDP | at-zis | AppleTalk Zone Information |
207 | TCP, UDP | at-7 | AppleTalk Unused |
208 | TCP, UDP | at-8 | AppleTalk Unused |
209 | TCP, UDP | tam | Trivial Authenticated Mail Protocol |
210 | TCP, UDP | z39.50 | ANSI Z39.50 |
211 | TCP, UDP | 914c/g | Texas Instruments 914C/G Terminal |
212 | TCP, UDP | anet | ATEXSSTR |
213 | TCP, UDP | ipx | Internetwork Packet Exchange (IPX) |
214 | TCP, UDP | vmpwscs | VM PWSCS |
215 | TCP, UDP | softpc | Insignia Solutions |
216 | TCP, UDP | atls | Access Technology License Server |
217 | TCP, UDP | dbase | dBASE UNIX |
218 | TCP, UDP | mpp | Netix Message Posting Protocol |
219 | TCP, UDP | uarps | Unisys ARPs |
220 | TCP, UDP | imap3 | Interactive Mail Access Protocol versi 3 |
221 | TCP, UDP | fln-spx | Berkeley rlogind with SPX authentication |
222 | TCP, UDP | fsh-spx | Berkeley rshd with SPX authentication |
223 | TCP, UDP | cdc | Certificate Distribution Center |
224–241 | T/A | T/A | Tidak digunakan; dicadangkan |
242 | TCP, UDP | direct | Direct |
243 | TCP, UDP | sur-meas | Survey Measurement |
245 | TCP, UDP | link | LINK |
246 | TCP, UDP | dsp3270 | Display Systems Protocol |
247 | TCP, UDP | subntbcst_tftp | SUBNTBCST_TFTP |
248 | TCP, UDP | bhfhs | bhfhs |
249–255 | T/A | T/A | Tidak digunakan; dicadangkan |
345 | TCP, UDP | pawserv | Perf Analysis Workbench |
346 | TCP, UDP | zserv | Zebra server |
347 | TCP, UDP | fatserv | Fatmen Server |
371 | TCP, UDP | clearcase | Clearcase |
372 | TCP, UDP | ulistserv | UNIX Listserv |
373 | TCP, UDP | legent-1 | Legent Corporation |
374 | TCP, UDP | legent-2 | Legent Corporation |
375 | TCP, UDP | T/A | official & unofficial assignments, known security risks, trojans and applications use. |
376 | TCP, UDP | T/A | protocol and security warnings including related ports. |
377 | TCP, UDP | T/A |
|
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Contents
Introduction
This document describes how to use the Cisco Configuration Professional (Cisco CP) in order to set the basic configuration of the router. Basic configuration of the router includes configuration of the IP address, default routing, static and dynamic routing, static and dynamic NATing, host name, banner, secret password, user accounts, and other options. Cisco CP allows you to configure your router in several network environments, such as small office home office (SOHO), branch office (BO), regional office, and central site or Enterprise headquarters, with an easy-to-use web-based management interface.
For more information about Cisco Configuration Professional, refer to Cisco Configuration Professional Quick Start Guide.
Prerequisites
Components Used
The information in this document is based on these software and hardware versions:
- Cisco 2811 Router with Cisco IOS® Software Release 12.4(9)
- Cisco CP Version 2.5
The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.
Install Cisco Configuration Professional
Perform these steps in order to install CCP:
- Download Cisco CP V2.5 from the Cisco Software Center (registered customers only) and install it on your local PC.The latest version of Cisco CP can be found at the CCP website.
- Launch Cisco CP from your local PC through Start > Programs > Cisco Configuration Professional and choose the Community which has the router you want to configure.
- In order to discover the device you want to configure, highlight the router and click the Discover button.
Note: For information on the Cisco router models and IOS releases that are compatible to CCPv2.5, refer to the Compatible Cisco IOS releases section.
Note: For information on the PC requirements that runs CCPv2.5, refer to System Requirements section
Router Configuration to Run Cisco CP
Perform these configuration steps in order to run Cisco CP on a Cisco router:
- Connect to your router using Telnet, SSH, or through the console.Enter global configuration mode using this command:
- If HTTP and HTTPS are enabled and configured to use nonstandard port numbers, you can skip this step and simply use the port number already configured.Enable the router HTTP or HTTPS server using these Cisco IOS Software commands:
- Create a user with privilege level 15:Note: Replace <username> and <password> with the username and password that you want to configure. Do not use the same password for your user and enable passwords.
- Configure SSH and Telnet for local login and privilege level 15.
- (Optional) Enable local logging to support the log monitoring function:
Requirements
This document assumes that the Cisco router is fully operational and configured to allow the Cisco CP to make configuration changes.
For complete information on how to start using the Cisco CP, refer to Getting Started with Cisco Configuration Professional.
Conventions
Refer to the Cisco Technical Tips Conventions for more information on document conventions.
Configure
In this section, you are presented with the information to configure the basic settings for a router in a network.
Note: Use the Command Lookup Tool (registered customers only) to obtain more information on the commands used in this section.
Network Diagram
This document uses this network setup:
Note: The IP addressing schemes used in this configuration are not legally routable on the Internet. They are RFC 1918 addresses which have been used in a lab environment.
Interface Configuration
Perform these steps in order to configure the interfaces of a Cisco router:
- Click Home in order to go to the Cisco CP homepage.The Cisco CP homepage provides information such as the hardware and software of the router, feature availability, and a configuration summary.
- Choose Configure > Interface Management > Interfaces and Connections > Create Connection in order to configure the WAN connection for the interface.As an example, for FastEthernet 0/1, choose the Ethernet option and click Create New Connection.Note: For other types of interfaces like Ethernet, choose the respective interface type and click Create New Connection to proceed.
- Click Next in order to proceed once this interface appears:
- Choose FastEthernet 0/1 (desired) from the Available Interfaces option and click Next.
- Specify the static IP address with the corresponding subnet mask for the interface and click Next.
- Configure the default routing with optional parameters such as the next hop IP address (172.16.1.2 as per network diagram) supplied by the ISP and click Next.This window appears and shows the configuration summary configured by the user. Click Finish.Note: The connectivity of the configuration can be checked by checking the checkbox next to Test the connectivity after configuring. This is an optional feature available.This window appears and shows the command delivery status to the router. Otherwise, it displays errors if the command delivery fails due to incompatible commands or unsupported features.
- Choose Configure > Interface Management > Interfaces and Connections > Edit Interfaces/Connections in order to add/edit/delete the various interfaces.Highlight the interface with which you want to make changes and click Edit if you want to edit or change the interface configuration. Here, you can change the existing static IP address.
NAT Configuration
Dynamic NAT Configuration
Perform these steps in order to configure the dynamic NAT in a Cisco router:
- Choose Configure > Router > NAT > Basic NAT and click Launch the selected task in order to configure basic NATing.
- Click Next.
- Choose the interface that connects to the Internet or your ISP and choose the IP address range to which Internet access is to be shared. After choosing this information, click Next as shown here:
- This window appears and shows the configuration summary configured by the user. Click Finish.
- The Edit NAT Configuration window shows the configured dynamic NAT configuration with the translated IP address overloaded (PATing). If you want to configure the dynamic NATing with address pool, click Address Pool.
- Click Add.Here, information such as the pool name and IP address range with netmask are provided. There can be times when most of the addresses in the pool have been assigned, and the IP address pool is nearly depleted. When this occurs, PAT can be used with a single IP address in order to satisfy additional requests for IP addresses. Check Port Address Translation (PAT) if you want the router to use PAT when the address pool is close to depletion. Click OK.
- Click Add.
- Click Edit.
- Choose Address Pool in the Type field, provide the name to the Address Pool as pool, and click OK.
- This window shows the configuration for dynamic NATing with the address pool. Click Designate NAT Interfaces.Use this window in order to designate the inside and outside interfaces that you want to use in NAT translations. NAT uses the inside and outside designations when it interprets translation rules, because translations are performed from inside to outside, or from outside to inside.Once designated, these interfaces are used in all NAT translation rules. The designated interfaces appear above the Translation Rules list in the main NAT window.
Static NAT Configuration
Perform these steps in order to configure static NAT in a Cisco router:
- Choose Configure > Router > NAT > Edit NAT Configuration and click Add in order to configure static NATing.
- Choose the Direction either from inside to outside or from outside to inside, and specify the inside IP address to be translated under Translate from Interface. For the Translate to Interface area, choose the Type:
- Choose IP Address if you want the Translate from Address to be translated to an IP address defined in the IP Address field.
- Choose Interface if you want the Translate from Address to use the address of an interface on the router. The Translate from Address is translated to the IP address assigned to the interface that you specify in the Interface field.
Check Redirect Port if you want to include port information for the inside device in the translation. This enables you to use the same public IP address for multiple devices, as long as the port specified for each device is different. You must create an entry for each port mapping for this Translated to address. Click TCP if this is a TCP port number and click UDP if it is a UDP port number. In the Original Port field, enter the port number on the inside device. In the Translated Port field, enter the port number that the router is to use for this translation. Refer to the Allowing the Internet to Access Internal Devices section of Configuring Network Address Translation: Getting Started.This window shows the static NATing configuration with port redirection enabled:
Routing Configuration
Static Routing Configuration
Perform these steps in order to configure static routing in a Cisco router:
- Choose Configure > Router > Static and Dynamic Routing and click Add in order to configure static routing.
- Enter the Destination Network address with mask and choose either outgoing interface or next hop IP address.This window shows the static route configured for the 10.1.1.0 network with 172.16.1.2 as the next hop IP address:
Dynamic Routing Configuration
Perform these steps in order to configure the dynamic routing in a Cisco router:
- Choose Configure > Router > Static and Dynamic Routing.
- Select the RIP and click Edit.
- Check Enable RIP, choose the RIP version, and click Add.
- Specify the Network address to be advertised.
- Click OK.
- Click Deliver in order to transfer the commands to the router.This window shows the dynamic RIP routing configuration:
Miscellaneous Configuration
Perform these steps in order to configure the other basic settings in a Cisco router:
- Choose Configure > Router > Router Options and click Edit if you want to change the Hostname, Domain Name, Banner, and Enable Secret Password properties for a router.
- Choose Configure > Router Access > User Accounts/View in order to add/edit/delete the User Accounts to the router.
- Choose Configure > Utilities > Save Running Config to PC in order to save the configuration to the NVRAM of the router as well as the PC and to reset the current configuration to default (factory) settings.Note: In order to use CCP to restore the configuration file stored on a computer to a router or to backup the configuration file from a router to a computer, access the Configuration Editor, and click I agree. In the Configure window, choose Import configuration from PC, and then click the replace running configuration button.
CLI Configuration
![Telnet Telnet](/uploads/1/2/5/8/125802227/268501346.png)
Router Configuration |
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Verify
Choose Configure > Interface & Connections > Edit Interface Connections > Test Connection in order to test the end-to-end connectivity. You can specify the remote end IP address if you click the User-specified radio button.
Troubleshoot
The Output Interpreter Tool (registered customers only) (OIT) supports certain show commands. Use the OIT to view an analysis of show command output.
Note: Refer to Important Information on Debug Commands before you issue debug commands.
You can use these options in order to troubleshoot:
- Choose Help > About this Router in order to view the hardware and software details of the router.
- The Help option provides information about the various available options in the Cisco CP for the configuration of routers.
How can I change the user name and password for the router?
You can change the router user name and password through Cisco CP. Complete these steps in order to change the user name and password:
- Create a new temporary user account, and then log in to the temporary user account.
- Change the user name and password of the main user account (that is, the user account of the router on which you want to change the user name and password) in your Cisco CP.
- Log out from the temporary account, and log in to the main user account.
- Delete the temporary user account after you change the password for the main account.
I receive an internal error when I use Internet Explorer 8 to access Cisco CP. How do I resolve this issue?
Problem
You might receive this internal error when you use Internet Explorer 8 to configure the 2800 series router using Cisco CP:
Internal error: [FaultEvent fault=[RPC Fault faultString='Send failed' faultCode='Client.Error.MessageSend' faultDetail='Channel.Connect.Failed error NetConnection.Call.Failed: HTTP: Status 200: url: 'http://localhost:8600/messagebroker/amf'] messageId='A08846FF-E7C6-F578-7C38-61C6E94899C7' type='fault' bubbles=false cancelable=true eventPhase=2]
Downgrading Java does not resolve the issue.
Solution
This error might be the result of a browser compatibility issue. Internet Explorer 8 changes many fundamental aspects of developing applications for IE. Cisco recommends that you downgrade Internet Explorer to version 7. You should also uninstall and reinstall Cisco CP.
I receive this error message when I try to install Cisco CP: 'Unable to read the source file. File could be Corrupted. Please re-install Cisco Configuration Professional to resolve the issue.' How do I resolve this issue?
Problem
When you download the application setup file and attempt to install Cisco CP, you might receive this error:
Solution
Try the following in order to resolve this.
- Delete all instances of Cisco CP on your PC, and perform a fresh download and install.
- If the previous step does not work, try to download a different version of Cisco CP.
- If the previous step does not work, contact Cisco TAC.Note: You must have valid Cisco user credentials in order to contact Cisco TAC.
How do I access the Cisco CP technical logs?
Click Start > Programs > Cisco Systems > Cisco Configuration Professional > Collect Data for Tech Support. Cisco CP automatically archives the logs in a zip file named _ccptech.zip. Perform a local file system search for this file if it is not saved to your Desktop. You can send these technical logs to Cisco TAC for further troubleshooting.
Note: Close all instances of Cisco CP to get rid of any other issues in archiving the logs.
Router discovery takes more time than usual. How do I resolve this issue?
Problem
Once Cisco CP is launched and the community is configured, discovery of the router takes more time than usual. Here are the Cisco CP logs that describe the time elapsed:
This issue occurs with all routers irrespective of their model and platform. In addition, there are no memory or CPU related issues on the routers.
Solution
Verify the authentication mode. If authentication does not occur locally, then check if there is an issue with the authenticating server. Fix any issue with the authenticating server in order to resolve this issue.
I am unable to view the IPS configuration page on Cisco CP. How do I resolve this issue?
Problem
When a specific feature in the Configuration window does not show anything except a blank page, there might be a incompatibility issues.
Solution
Verify these items in order to resolve this issue:
- Verify if that specific feature is supported and enabled on your router model.
- Verify if your router version supports that feature. Router version incompatibilities could be resolved with a version upgrade.
- Verify if the problem is with the current licensing.