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Introduction and Specifications

Security & Access Features

1-12

SpectraComm IP T1 Router Card

076R200-000

Installation and Operation Manual

Issue 13

Figure 1-6

SCIP in LAN-X Mode with MACL Security

Router

T1 (LAN-X)

CENTRAL SITE

REMOTE SITE

LAN

HUB

mac1

mac2

mac3

mac4

mac1

mac2

mac3

mac4

mac1

mac2

mac3

mac4

Frames

Discarded

MACL with

mac1,2,3

SCIP

BACKBONE

Содержание SpectraComm IP T1

Страница 1: ...The Best Connections in the Business General DataComm 6SHFWUD RPP 3 T1 ROUTER CARD Installation Operation Manual 076R200 000 Issue 13 October 2013...

Страница 2: ...2 October 2002 Supports Spanning Tree Protocol Corrected and additional cable and pinout information 3 March 2003 Supports integral V 90 modem S1 interface to SC 521A CSU S0 interface T1 diagnostics...

Страница 3: ...ic Tests 1 6 Diagnostic Tools 1 6 Alarms 1 6 SNMP Traps 1 6 SCIP Router Applications 1 7 SCIP LAN X Applications 1 8 SCIP with Spanning Tree 1 9 Contact Sense Applications 1 10 Security Access Feature...

Страница 4: ...g with Frame Relay over a T1 Network 3 8 Static Routing with PPP over a T1 Network 3 12 LAN Extension over T1 for a Flat Networks 3 15 Terminal Server Management 3 19 Setting Up SCIP 3 19 CLI Command...

Страница 5: ...onitoring Features 6 7 SNMP Traps 6 7 System Message Log 6 8 Alarm Log 6 8 MACL Violation Log 6 9 Network Statistics 6 10 Modem Activity Log 6 10 Appendix A Application Guidelines General Application...

Страница 6: ...iv SpectraComm IP T1 Router Card 076R200 000 Installation and Operation Manual Issue 13 Table of Contents...

Страница 7: ...updated manuals and product information or contact your General DataComm field representative General DataComm Inc 6 Rubber Avenue Naugatuck Connecticut USA 06770 Tel 1 203 729 0271 Safety Informatio...

Страница 8: ...ack is designed for that location Never touch uninsulated network wires or terminals unless the network line is disconnected at the network interface Never install network wiring during an electrical...

Страница 9: ...lephone company FCC Registration Number US AG6DENAN97J Telephone Company jack type RJ48C RJ11C Facility Interface Codes DDS 04DU9 DN BN 1KN 1SN 02LS2 Service Order Code DDS 6 0Y 9 0Y Industry Canada N...

Страница 10: ...repr sentant d sign par le fournisseur L entreprise de t l communications peut demander l utilisateur de d brancher un appareil la suite de r parations ou de modifications effectu es par l utilisateur...

Страница 11: ...Direct Support Repair GDC provides regular and warranty repair services through Factory Direct Support Repair at its U S headquarters in Naugatuck Connecticut This customer support organization repair...

Страница 12: ...Preface Support Services and Training x SpectraComm IP T1 Router Card 076R200 000 Installation and Operation Manual Issue 13...

Страница 13: ...ows SCIP deployed in a Frame Relay T1 network SCIP as LAN extension Device When placed in LAN extension mode the SpectraComm IP extends the Carrier s local area network s The eight port terminal serve...

Страница 14: ...and Control craft ports provide connectivity Rear Panel WAN connectivity for the SCIP as router or LAN X device Access to T1 and Fractional T1 network services using an integral T1 CSU DSU including l...

Страница 15: ...orted With a co located SC ES card SCIP can access more LAN equipment on LANs using 10BASE T or 100BASE T twisted pair wiring while maintaining NEBS compliance T1 FT1 Network Port Logical S0 The rear...

Страница 16: ...losure Configurations Note For more information on any SpectraComm shelf or enclosure refer to associated manuals listed on the inside front cover of this document and provided on the GDC Publications...

Страница 17: ...rts File Transfer Protocol TFP and Trivial File Transfer Protocol TFTP servers for the downloading of GDC firmware Flash upgrades These services can be enabled and disabled Web Management The SCIP sup...

Страница 18: ...t of IP and does not use ICMP ping Network Statistics displays information about the current TCP socket connections such as the local or remote IP address send and recieve window sizes state etc To sh...

Страница 19: ...static routes to ensure a greater degree of security and reduce IP traffic in the carrier s network This requires the addition of static routes at the NOC and the SCIP Figure 1 2 shows a typical Netw...

Страница 20: ...ss a WAN connection Figure 1 3 shows a typical deployment of one pair of SCIP units in a carrier s network Multiple pairs of SCIP units can be deployed to fan out the NOC s reach to additional remote...

Страница 21: ...rk In the figure PC denotes Port Costs and BPri denotes Bridge Priority Note Spanning Tree Protocol changes the active topology in response to a newly detected path with a lower Root Path Cost which c...

Страница 22: ...and Transport the Alarm is transported between sites and a Trap is sent to a management station Destinations for alarm transport and Trap are independent Future option In any contact transport applica...

Страница 23: ...ed at the specific port being accessed SCIP uses a MAC address table to filter MAC addresses received at its Ethernet LAN and WAN ports Up to 100 valid MAC addresses can be defined for each interface...

Страница 24: ...6R200 000 Installation and Operation Manual Issue 13 Figure 1 6 SCIP in LAN X Mode with MACL Security Router T1 LAN X CENTRAL SITE REMOTE SITE LAN HUB mac1 mac1 mac2 mac2 mac3 mac3 mac4 x x mac1 mac2...

Страница 25: ...sion domain thereby dramatically increasing network performance Eliminates unnecessary network traffic by delivering dedicated bandwidth for each port LAN equipment at the remote site can be connected...

Страница 26: ...ort On GREEN Indicates Send Data frames are present at the T1 Network port T1 RX Off No Receive Data present at the T1 Network port On GREEN Indicates data present at the T1 port originating from the...

Страница 27: ...g Altitude 60 to 4 000 m 197 to 13 123 ft For altitudes above 1800 m 5906 ft derate by one degree C per 300 m 1 degree C per 1000 ft Integral CSU DSU Communication Line T1 digital carrier non loaded s...

Страница 28: ...m number 16 Point to Point Protocol PPP RFC 1661 1994 also known as STD 51 LAN X GDC Proprietary LAN extension Ethernet ANSI IEEE 802 3 Rates 10 Mbps 100 Mbps Spanning Tree IEEE 802 1D 1998 Security a...

Страница 29: ...he LAN X mode and IP forwarding functions are mutually exclusive that is when the SCIP is configured for LAN extension mode the IP routing functions are not available and visa versa Shelf Enclosure In...

Страница 30: ...SpectraComm IP T1 card in SC1012 DC Enclosure 10 18 V 010M180 009 SpectraComm IP T1 card in SC DC Blade Adapter 076A032 011 SpectraComm IP T1 card w modem in RA1000 AC Enclos 100 240V 076A032 016 Spec...

Страница 31: ...tion Part Number SpectraComm Standalone Enclosures RA 1000 Standalone Enclosure AC powered 100 240V 010B301 001 SC 1002 Standalone Enclosure DC powered 24 48V 010B301 006 SC 1012 Standalone Enclosure...

Страница 32: ...EM PORT A 8 7 6 5 4 3 2 1 PIN 1 C TERM SERVER PORT To Craft Devices B C MODULAR CONNECTIONS PIN 8 PIN 1 SYNC S1 DTE or ASYNC AUX1 PORT To External Devices B PIN 1 CRAFT PORT D SC IP INS ON MODEM T X R...

Страница 33: ...etwork Modem Interface Pinouts Pin Signal Direction Description Connectivity Port Pinouts 1 Rx Ring To SCIP Receive Data Ring T1 2 Rx Tip To SCIP Receive Data Tip T1 4 Tx Ring From SCIP Transmit Data...

Страница 34: ...rk connections Future feature When enabled as an AUX1 interface this port can support an asynchronous connection to an external modem Figure 2 3 Sync and Async Port Connections Note When a serial1 or...

Страница 35: ...B25 connector can also be used for Terminal Server connections to external devices When TermServ is enabled the Contact Sensing functions are disabled Note For more information on Contact Sense refer...

Страница 36: ...DTE INTERFACE CABLE P N 025H502 004 TELCO 50 PIN M 8 PIN MOD RS 561 TELCO 50 PIN F DTE PORT 1 C1 HARMONICA BLOCK P N 209 036 034 2 3 1 26 3 6 26 5 DTE PORT 2 C2 DTE PORT 8 C8 DTE PORT 7 C7 DTE PORT 6...

Страница 37: ...DCE INTERFACE CABLE P N 025H503 004 TELCO 50 PIN M 8 PIN MOD RS 561 TELCO 50 PIN F DCE PORT 1 C1 HARMONICA BLOCK P N 209 036 034 1 3 2 26 3 6 26 5 DCE PORT 2 C2 DCE PORT 8 C8 DCE PORT 7 C7 DCE PORT 6...

Страница 38: ...ontact Sense of external relays at the site When Contact Sense is enabled the Terminal Server functions are disabled Note In order to establish a Craft session via the SCIP s Terminal Server port some...

Страница 39: ...D RX TX 28 3 2 2 27 1 3 6 26 5 1 4 8 7 DTE PORT 2 5 6 4 29 6 4 GND RX TX 31 3 5 2 30 1 6 6 29 5 4 4 8 7 DTE PORT 3 8 9 7 32 9 7 GND RX TX 34 3 8 2 33 1 9 6 32 5 7 4 8 7 DTE PORT 4 11 12 10 35 12 10 GN...

Страница 40: ...D RX TX 28 3 2 2 27 1 3 6 26 5 1 4 8 7 DCE PORT 2 4 6 5 29 6 4 GND RX TX 31 3 5 2 30 1 6 6 29 5 4 4 8 7 DCE PORT 3 7 9 8 32 9 7 GND RX TX 34 3 8 2 33 1 9 6 32 5 7 4 8 7 DCE PORT 4 10 12 11 35 12 10 GN...

Страница 41: ...26 5 1 4 8 7 5 6 4 31 6 4 31 3 5 2 30 1 6 6 29 5 4 4 8 7 8 9 7 34 9 7 34 3 8 2 33 1 9 6 32 5 7 4 8 7 11 12 10 37 12 10 37 3 11 2 36 1 12 6 35 5 10 4 8 7 15 15 14 40 16 13 40 3 14 2 39 1 15 6 38 5 13...

Страница 42: ...This port requires an 8 pin modular to 8 pin modular straight thru or crossover cable GDC S 078H010 XXX or S 078H011 XXX The table below describes Ethernet port pinouts Note Auto MDIX is not supporte...

Страница 43: ...ar panel IEC connector and to a wall receptacle that supplies the required AC power 3 Verify that the Front Panel INS LED flashes on and off After a few seconds the LED will illuminate steady 4 The SC...

Страница 44: ...faces enable m0 2 View the current modem mode setting auto answer or callback by typing show modem mode 3 If necessary configure SCIP for desired mode For auto answer mode type configure modem mode au...

Страница 45: ...odem callback delete location name 4 Dial into SCIP 5 Login using a valid username and password 6 Select a callback location from the displayed list SCIP will hang up 7 After a delay of 30 seconds SCI...

Страница 46: ...ck phone numbers use only hyphens or commas as separators The callback locations and phone numbers are limited to 20 characters each When using the backspace key in the DialUp Networking terminal wind...

Страница 47: ...ds shown below If you are in User mode several of the commands shown below will not display _______________________SpectraComm IP Commands______________________ clear Reset functions configure Configu...

Страница 48: ...he command line to get help SCIP T1 Note For online help screens describing all CLI options press Note that the CLI options for configuring the SCIP are only available when you have enabled Supervisor...

Страница 49: ...this chapter as needed Basic Telnet SSH Setup 1 For Telnet Service The SCIP is configured for Telnet access by default If Telnet access has been disabled use the SCIP craft port interface to enable th...

Страница 50: ...entication for the CRAFT port to be turned on or off and administers local and TACACS authentication Note Some ADMIN mode configuration commands i e enabling the craft port or setting up user accounts...

Страница 51: ...he following command services interface enable or disable where the interface value can be ftp tftp http telnet snmp ssh 2 To block or permit incoming management traffic through one or more interfaces...

Страница 52: ...ameter s SCIP show banner 1 2 LEGAL NOTICE YOU MUST READ 3 4 5 You must have explicit permission to access or configure this 6 device All activities peformed on this device are logged and 7 violations...

Страница 53: ...r your login message maximum 30 lines 80 characters per line 6 When your message is completed type your escape character or press Ctrl C 7 To view your new login banner type show banner 8 To modify an...

Страница 54: ...ation examples below brackets indicate user defined entries or typical entries Static Routing with Frame Relay over a T1 Network In this procedure the default value for each parameter is shown in the...

Страница 55: ...terfaces ip address ethernet0 172 16 5 6 255 255 0 0 5 Enter a description of the Ethernet interface by typing configure interfaces description ethernet0 your_description For example configure interfa...

Страница 56: ...static route at the remote site towards the central office by typing configure ip route add serial0 17 128 1 0 0 255 255 0 0 128 1 1 10 1 17 On the central office SCIP T1 create configure and enable...

Страница 57: ...refer to the Terminal Server Management procedures later in this chapter Figure 3 2 SCIP Router in a Typical Frame Relay T1 Network Note Refer to Chapter 5 Additional Features as needed to configure...

Страница 58: ...as described earlier in this chapter perform the following steps to configure the unit as an IP router in a PPP leased line network Figure 3 3 2 Set the system prompt by typing configure prompt your_...

Страница 59: ...typing configure ip route add serial0 128 1 0 0 255 255 0 0 128 1 1 10 1 13 Set up a static route at a central site SCIP T1 towards a remote orlando_lan 172 16 0 0 by typing configure ip route add se...

Страница 60: ...onal Features as needed to configure additional features for your network ROUTER DEVICE 2 DEVICE 1 DEVICE 8 NETWORK MANAGER REMOTE OFFICE Orlando T1 MANAGED CRAFT DEVICES LAN DEVICE 2 LAN DEVICE 1 MAN...

Страница 61: ...nit by typing configure prompt your_NOC_site 3 Configure the Ethernet IP address and mask by typing configure interfaces ip address ethernet0 For example configure interfaces ip address ethernet0 172...

Страница 62: ...ses five ranges of lengths 0 133 ft 133 266 ft 266 399 ft 399 533 ft 533 655 ft Be aware that if you select a value at the beginning of a range such as 133 ft SCIP will use the lower range that includ...

Страница 63: ...default router IP Note The serial0 may also be assigned an IP address for LAN X management 9 Type show lanx router to display the remote unit IP information Modify if needed 10 Proceed to PART 4 Confi...

Страница 64: ...f your application requires the management of terminal server devices refer to the Terminal Server Management procedures later in this chapter Figure 3 4 SCIP LAN Extension in a Flat T1 Network No Rou...

Страница 65: ...assword If necessary override any other Telnet CLI session in progress as instructed by the screen prompt 4 Enable supervisor privileges by typing enable supervisor level password 5 Check that a usern...

Страница 66: ...18 Remote SC IP connect term8 Connecting to term8 SCES Use as escape sequence 6 Press the Enter key to access the management interface of this terminal server device 7 When complete press the escape s...

Страница 67: ...e SCIP with supervisor or admin privileges A successful Telnet SSH connection to the SCIP will display the Telnet SSH menu as shown in the example below Figure 3 5 SCIP Telnet Menu Selections 4 The Te...

Страница 68: ...structed by the screen prompt Note Your SSH client may prompt for a username password In this situation any entry will allow access the port 4 A successful Telnet SSH cut thru connection to the port w...

Страница 69: ...101 or ssh 172 16 12 101 3 If necessary override any other Telnet CLI session in progress as instructed by the screen prompt Note Your SSH client may prompt for a username password In this situation...

Страница 70: ...SCIP Configuration Terminal Server Management 3 24 SpectraComm IP T1 Router Card 076R200 000 Installation and Operation Manual Issue 13...

Страница 71: ...unicator Versions 4 5 through 5 x are supported Internet Explorer 5 0 or higher Cookies must be enabled Note At the terminal or craft interface you can toggle http disable enable to clear all cookies...

Страница 72: ...e associated access privileges as assigned by an Administrator A valid password can be up to 20 alphanumeric characters Access Modes Access modes configured by the Administrator will determine whether...

Страница 73: ...in ADMIN mode to access execute those commands Table 4 1 Command Line Web Screen Field Description clear Displays a selectable list of sub commands that will clear arp cache entries and counters on on...

Страница 74: ...The Web Interface Introduction to SCIP Web Management 4 4 SpectraComm IP T1 Router Card 076R200 000 Installation and Operation Manual Issue 13...

Страница 75: ...ols SCIP supports Simple Network Time Protocol RFC2030 and Time Protocol RFC 868 When configured for SNTP or TP SCIP will receive and use Greenwich Mean Time GMT to timestamp the SNMP traps System Mes...

Страница 76: ...Status Displays for TACACS _________Help for configur tacacs _____________ account Accounting enable disable not supported yet authen Authentication enable disable author Authorization enable disable...

Страница 77: ...ocedures Be sure to read the special considerations for using TACACS authentication listed at the end of this section Note You must log in with ADMIN privileges to execute the commands in this procedu...

Страница 78: ...ng format To configure banners type configure tacacs banner tacacs description configure tacacs banner local description TACACS Verification Procedure When a SCIP device is enabled for TACACS authenti...

Страница 79: ...reconfigure the SCIP from scratch Note Disabling of the fallback option is only supported in SCIP devices at Firmware Version 2 6 0 and higher TACACS Special Considerations In order to change local a...

Страница 80: ...p and Status Displays for Modem Security Features ___________Help for show modem ______________________ callback Show modem call back list mode Show modem operation mode caller id Show modem caller id...

Страница 81: ...macl interface Figure 5 3 Help and Status Displays for MAC Security ___________Help for configure macl ______________________ add Add MAC to media access control list requires 2 parameter s delete Del...

Страница 82: ...local site The MACL will automatically learn all remote MACs For added security enable a MACL at SCIP A s0 and be sure it includes the same remote MACs plus the MAC for SCIP B necessary to manage SCIP...

Страница 83: ...h remote hosts are omitted from the MACL on e0 and will be filtered For typical networks a ten to thirty per cent increase in performance can be achieved across the WAN by eliminating unnecessary broa...

Страница 84: ...filtered interfaces receiving all MACs For example if SCIP A e0 becomes unusable cable problem external etherswitch problem etc SCIP D e0 will unblock and SCIP A s0 will now see both local MACs and r...

Страница 85: ...type configure contact To show the status of Contact Sense type show contact Figure 5 7 Help and Status Displays for Contact Sense Note Contact Sense and Terminal Server functions are mutually exclus...

Страница 86: ...If desired enter an alphanumeric description of the contact port by typing configure contact description c contact description Note If a space is desirable in the description you must use a double qu...

Страница 87: ...etting for Broadcast limiting is Enabled with limiting set to 10 of LAN X bandwidth A threshold value of 100 percent means that no limit is placed on broadcast traffic Ethernet Jumbo Extended Packets...

Страница 88: ...ires 1 parameter s SCIP T1 configure traffic dscp ___________Help for configure traffic dscp ______________________ dscp Configure DSCP value for expedited traffic requires 1 parameter s DSCP value fo...

Страница 89: ...In addition SCIP s MAC filtering will reduce unnecessary LAN broadcast traffic and provide security from unauthorized PCs at the remote site trying to hack into the central site Special Consideration...

Страница 90: ...SCIP T1 configure span tree ___________Help for configure span tree ______________________ fwd delay time Configure Bridge Forward Delay Time requires 1 parameter s hello time Configure Bridge Hello T...

Страница 91: ...ult value When this is the case users can change the Port Path Cost value to the preferred value This value shall remain unless the DS0 is changed again If the number of DS0s is between 1 24 the defau...

Страница 92: ...Additional Features LAN X Traffic Control Features 5 18 SpectraComm IP T1 Router Card 076R200 000 Installation and Operation Manual Issue 13...

Страница 93: ...est in progress type show t1 To execute a trace route type trace rte Destination IP address To cancel a T1 diagnostic test type diags t1 cancel To cancel a LAN X diagnostic test or a trace route press...

Страница 94: ...the T1 Tx lines This is not a payload loopback and framing bits and BPVs are not reconstructed Whatever is received is what is transmitted back using the timing mode currently set After user verifica...

Страница 95: ...6 3 Self Test with Loopback Self Test This diagnostic is identical to Self Test loopback with the exception that the internal framer loopback is not activated and no change in timing source is made An...

Страница 96: ...P connectivity problems The following conditions may affect Traceroute output SCIPs in LANX mode bridges and Etherswitches do not act as routers they operate only in layer 2 and are transparent to IP...

Страница 97: ...th 25 10 LANX Link Integrity Pkts Received length 45 10 LANX Link Integrity Pkts Received length 85 10 LANX Link Integrity Pkts Received length 165 10 LANX Link Integrity Pkts Received length 325 10 L...

Страница 98: ...util reboot to remotely reboot the unit Note LAN X must be operational to collect remote unit information and perform reset reboot commands SCIP T1 lanx util info local ______________________Local Un...

Страница 99: ...ntify the SCIP in SNMP format by typing configure snmp system name configure snmp system contact configure snmp system location 4 Configure the community name and define access privileges by typing co...

Страница 100: ...shows a history of the last 100 Alarm events saved to the log The Alarm log is not saved when the unit reboots Each log entry is time stamped with a relative System Up Time default or with GMT if so c...

Страница 101: ...0 CO 64 00 43 EF on ethernet0 GMT 19 36 9 1 27 2010 94 MACL violation 08 00 09 F2 F3 E3 on ethernet0 GMT 19 36 8 1 27 2010 93 MACL violation 08 00 09 F2 F3 E3 on ethernet0 GMT 19 36 7 1 27 2010 92 MAC...

Страница 102: ...so configured Refer to Chapter 5 under the paragraphs on Time Protocols as needed To show the last 100 logged modem activities type show log modem To clear the log type clear log modem Figure 6 13 Exa...

Страница 103: ...supervisor cannot be used as username logins They are only used to enable the supervisor admin mode The only default username login is defined as gdc with the password gdc This username may be delete...

Страница 104: ...s max SCIP T1 CLI Inactivity Timer Disconnects CLI session after the desired interval in secs has elapsed 0 to 10 000 use 0 to disable 900 HTTP Service HTTP server support for web management Enable or...

Страница 105: ...ller ID Validates the telco provided phone number against the Caller ID list Enable or Disable Modem Callback Authenticates on callback Enable or Disable Serial0 Interface Set admin state of port Enab...

Страница 106: ...isable Serial0 MACL log Enable or Disable Serial0 trap log Enable or Disable Serial1 MACL admin status Enable or Disable Serial1 MACL log Enable or Disable Serial1 trap log Enable or Disable IP route...

Страница 107: ...entifies the contact person for the managed node adn the method of contact A quoted string 128 chars max YOUR SYSTEM CONTACT SNMP system location Describes the physical location of the node A quoted s...

Страница 108: ...r Disable TACACS admin Defines a TACACS administrator password A quoted string 72 chars max gdc_scip_admin TACACS supv Defines a TACACS supervisor password A quoted string 72 chars max gdc_scip_superv...

Страница 109: ...ion which defines the 32 bit IP address in four 8 bit fields or four octets e g 195 88 11 4 Each octet has a value from 000 to 255 Using the traditional Class A B and C network architectures one or mo...

Страница 110: ...and 256 contiguous Class C networks Table A 3 Network Classification NTWK Class First Octet Range of Networks Default Mask Example Description A 1 126 1 0 0 0 127 0 0 0 255 0 0 0 18 0 172 16 Class A...

Страница 111: ...an internal table From the factory the SCIP s modem interface is pre configured with a default address of 192 168 11 220 with a subnet mask of 255 255 255 000 for initial remote dial in For the other...

Страница 112: ...l interface The S1 interface requires an external CSU DSU and generally can only run at lower speeds However the network connection is flexible since the CSU DSU can be a DDS fractional T1 or others B...

Страница 113: ...CIP replaces eight consecutive zeros with a sequence including bipolar violations which can be detected to allow any combination of zeros and ones to be transmitted throughout the T1 Network When opti...

Страница 114: ...ue The following commands can then be used on the file Use the batch show command to view the batch script file in the batch queue Use the batch run command to execute the batch script file in the bat...

Страница 115: ...racter at the beginning of a command line the screen displays all the commands available along with a one line description of each command SCIP T1 _______________________SpectraComm IP Commands_______...

Страница 116: ...nning Tree parameters supervisor Show supervisor admin mode t1 Show T1 parameters tacacs Show TACACS query parameters term serv Show terminal server parameters time Show time service parameters traffi...

Страница 117: ...faces ip address the screen will show the three required parameters and one optional parameter used to configure an IP address for an interface SCIP T1 configure interfaces ip address ___________Help...

Страница 118: ...to the CTRL port to check the IP Address and mask in the SCIP and ensure the values is correct 2 Perform ping to determine whether the SCIP is communicating on the network WAN Communication Problems I...

Страница 119: ......

Страница 120: ...The Best Connections in the Business...

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