wan interface

8/13/2019 Wan Interface

1/23

aveen Patel


2/23

aveen Patel

Point to Point

Protocol

Open Standard Protocol

(works with same and

different company

Routers i.e. Cisco

Nortel, CiscoMulticom.

Supports

Authentication

Supports Compression

High level Data link

Control

Vendor proprietary

Protocol (works with

same company Router

only, i.e. Cisco-Cisco,

Nortel-Nortel, etc.)

No Support for

Authentication

No Support for

Compression

PPP HDLC

Wan Encapsulation


3/23

aveen Patel

Data Communication

Equipment

Generate clocking

(i.e. Speed). Master

Example of DCE device in

Leased line setup : V.35 &

G.703 Modem & Exchange

(Modem & MUX)

Example of DCE device in

Dial up setup : Dialup

Modem

Data Termination

Equipment

Accept clocking

(i.e. Speed). Slave

Example of DTE device in

Leased line setup : Router

Example of DTE device in

Dial up setup : Computer

DCE DTE

Device Classification


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5/23

aveen Patel

A Back to Back Cable is used which emulates the

copper wire, modems and MUX , the complete

exchange setup.

Without DCE & DTE device communication is not

possible.

Lab Setup

S0

S1

Wan Representation

HYD CHE


6/23

aveen Patel

V.35 Back to Back Cable

DTEDCE


7/23

aveen Patel

V.35 Smart Serial DTE & DCE Cable


8/23

aveen Patel

V.35 DCE Cable


9/23

aveen Patel

S117.0.0.2/8


10/23

aveen Patel

LAN192.168.1.0/24LAN192.168.2.0/24

Wan Interface Configuration

10.0.0.1/8

S0

10.0.0.2/8

S1

E0

192.168.1.1/24

E0

192.168.2.1/24

HYD CHE


11/23

aveen Patel


12/23

aveen Patel

================================Welcome to HYDERABAD Router================================User Access Verificationpassword :****

****enableshow controllers S 0hyderabad>password :Hyderabad#

Microsoft Windows 2000 [Version 5.00.2195](C) Copyright 1985-2000 Microsoft Corp.C:\>Connecting .....

HD unit 0, idb = 0xB7574, driver structure at 0xBC2F8buffer size 1524 HD unit 0, V.35 DCE cablecpb = 0x1, eda = 0x4940, cda = 0x4800RX ring with 16 entries at 0x401480000 bd_ptr=0x4800 pak=0x0BE054 ds=0x401B6A8 status=80 pak_size=001 bd_ptr=0x4814 pak=0x0BED04 ds=0x401E5B0 status=80 pak_size=002 bd_ptr=0x4828 pak=0x0BE224 ds=0x401BD60 status=80 pak_size=003 bd_ptr=0x483C pak=0x0BEED4 ds=0x401EC68 status=80 pak_size=0--More--

telnet 192.168.1.1


13/23

aveen Patel

04 bd_ptr=0x4850 pak=0x0BEB34 ds=0x401DEF8 status=80 pak_size=005 bd_ptr=0x4864 pak=0x0BF0A4 ds=0x401F320 status=80 pak_size=006 bd_ptr=0x4878 pak=0x0BDE84 ds=0x401AFF0 status=80 pak_size=007 bd_ptr=0x488C pak=0x0BE794 ds=0x401D188 status=80 pak_size=008 bd_ptr=0x48A0 pak=0x0BDCB4 ds=0x401A938 status=80 pak_size=009 bd_ptr=0x48B4 pak=0x0BE964 ds=0x401D840 status=80 pak_size=010 bd_ptr=0x48C8 pak=0x0BE3F4 ds=0x401C418 status=80 pak_size=011 bd_ptr=0x48DC pak=0x0BDAE4 ds=0x401A280 status=80 pak_size=012 bd_ptr=0x48F0 pak=0x0BD914 ds=0x4019BC8 status=80 pak_size=013 bd_ptr=0x4904 pak=0x0BD744 ds=0x4019510 status=80 pak_size=014 bd_ptr=0x4918 pak=0x0BD574 ds=0x4018E58 status=80 pak_size=015 bd_ptr=0x492C pak=0x0BD3A4 ds=0x40187A0 status=80 pak_size=016 bd_ptr=0x4940 pak=0x0BD1D4 ds=0x40180E8 status=80 pak_size=0cpb = 0x1, eda = 0x5014, cda = 0x5014TX ring with 2 entries at 0x401500000 bd_ptr=0x5000 pak=0x000000 ds=0x4031838 status=80 pak_size=2201 bd_ptr=0x5014 pak=0x000000 ds=0x000000 status=80 pak_size=002 bd_ptr=0x5028 pak=0x000000 ds=0x000000 status=80 pak_size=00 missed datagrams, 0 overruns0 bad datagram encapsulations, 0 memory errors0 transmitter underruns0 residual bit errorsHyderabad#


14/23

aveen Patel

================================Welcome to Chennai Router================================User Access Verificationpassword :****

****enableshow controllers S 1Chennai>password :Chennai#


HD unit 0, idb = 0xB7574, driver structure at 0xBC2F8buffer size 1524 HD unit 0, V.35 DTE cablecpb = 0xE1, eda = 0x4814, cda = 0x4828RX ring with 16 entries at 0xE1480000 bd_ptr=0x4800 pak=0x0BEB34 ds=0xE1DEF8 status=80 pak_size=1301 bd_ptr=0x4814 pak=0x0BF0A4 ds=0xE1F320 status=80 pak_size=1302 bd_ptr=0x4828 pak=0x0BED04 ds=0xE1E5B0 status=80 pak_size=003 bd_ptr=0x483C pak=0x0BE964 ds=0xE1D840 status=80 pak_size=0--More--

telnet 192.168.2.1


15/23

aveen Patel

04 bd_ptr=0x4850 pak=0x0BE794 ds=0xE1D188 status=80 pak_size=005 bd_ptr=0x4864 pak=0x0BE5C4 ds=0xE1CAD0 status=80 pak_size=006 bd_ptr=0x4878 pak=0x0BE3F4 ds=0xE1C418 status=80 pak_size=007 bd_ptr=0x488C pak=0x0BE224 ds=0xE1BD60 status=80 pak_size=008 bd_ptr=0x48A0 pak=0x0BE054 ds=0xE1B6A8 status=80 pak_size=009 bd_ptr=0x48B4 pak=0x0BDE84 ds=0xE1AFF0 status=80 pak_size=010 bd_ptr=0x48C8 pak=0x0BDCB4 ds=0xE1A938 status=80 pak_size=011 bd_ptr=0x48DC pak=0x0BDAE4 ds=0xE1A280 status=80 pak_size=012 bd_ptr=0x48F0 pak=0x0BD914 ds=0xE19BC8 status=80 pak_size=013 bd_ptr=0x4904 pak=0x0BD744 ds=0xE19510 status=80 pak_size=014 bd_ptr=0x4918 pak=0x0BD574 ds=0xE18E58 status=80 pak_size=015 bd_ptr=0x492C pak=0x0BD3A4 ds=0xE187A0 status=80 pak_size=016 bd_ptr=0x4940 pak=0x0BD1D4 ds=0xE180E8 status=80 pak_size=0cpb = 0xE1, eda = 0x5028, cda = 0x5028TX ring with 2 entries at 0xE1500000 bd_ptr=0x5000 pak=0x000000 ds=0xE31964 status=80 pak_size=1301 bd_ptr=0x5014 pak=0x000000 ds=0xE31964 status=80 pak_size=1302 bd_ptr=0x5028 pak=0x000000 ds=0x000000 status=80 pak_size=00 missed datagrams, 0 overruns0 bad datagram encapsulations, 0 memory errors0 transmitter underruns0 residual bit errorsChennai#


16/23

aveen Patel

telnet 192.168.1.1================================Welcome to Hyderabad Router================================User Access Verificationpassword :****

****enableconfigure terminalinterface serial 0ip address 10.0.0.1 255.0.0.0

no shutdownclockrate 64000encapsulation hdlc

Hyderabad>password :Hyderabad#Enter configuration commands, one per line. End with CNTL/Z.Hyderabad(config)#Hyderabad(config-if)#Hyderabad(config-if)#Hyderabad(config-if)#Hyderabad(config-if)#Hyderabad(config-if)#


Configuring Serial interface

Router(config)#interface serial

Router(config-if)#ip address

Router(config-if)#no shutdown

Router(config-if)#clockrate

Router(config-if)#encapsulation {ppp|hdlc}

exitHyderabad(config)#


17/23

aveen Patel

================================Welcome to Chennai Router================================User Access Verificationpassword :****

****enableconfigure terminal

ip address 10.0.0.2 255.0.0.0no shutdownencapsulation hdlcexit

Chennai>password :Chennai#Enter configuration commands, one per line. End with CNTL/Z.Chennai(config)#Chennai(config-if)#Chennai(config-if)#Chennai(config-if)#Chennai(config-if)#Chennai(config)#

Microsoft Windows 2000 [Version 5.00.2195](C) Copyright 1985-2000 Microsoft Corp.C:\>Connecting .....Configuring Serial interface

Router(config)#interface serial

Router(config-if)#ip address

Router(config-if)#no shutdown

Router(config-if)#clockrate

Router(config-if)#encapsulation {ppp|hdlc}

telnet 192.168.2.1

interface serial 1


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aveen Patel

Hyderabad(config-if)#

telnet 192.168.1.1

================================Welcome to Hyderabad Router================================User Access Verificationpassword :****

****enableconfigure terminalinterface serial 0ip address 10.0.0.1 255.0.0.0

no shutdownclockrate 64000encapsulation hdlc

Hyderabad>password :Hyderabad#Enter configuration commands, one per line. End with CNTL/Z.Hyderabad(config)#Hyderabad(config-if)#Hyderabad(config-if)#Hyderabad(config-if)#Hyderabad(config-if)#


exitHyderabad(config)# exitHyderabad# show int s0


19/23

aveen Patel

Serial0 is up, line protocol is upHardware is HD64570Internet address is 10.0.0.1/8MTU 1500 bytes,BW 1544 Kbit,DLY 20000 usec,rely 255/255,load 1/255Encapsulation HDLC, loopback not set, keepalive set (10 sec)Last input 00:05:29, output 00:00:03, output hang neverLast clearing of show interface counters neverInput queue: 0/75/0 (size/max/drops); Total output drops: 0Queueing strategy: weighted fairOutput queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1/256 (active/max active/max total)Reserved Conversations 0/0 (allocated/max allocated)5 minute input rate 0 bits/sec, 0 packets/sec5 minute output rate 0 bits/sec, 0 packets/sec997 packets input, 20161 bytes, 0 no bufferReceived 875 broadcasts, 0 runts, 0 giants, 0 throttles0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abor 899 packets output, 24785 bytes, 0 underruns0 output errors, 0 collisions, 132 interface resets0 output buffer failures, 0 output buffers swapped out325 carrier transitionsDCD=up DSR=up DTR=up RTS=up CTS=up

Hyderabad# show int s0

1. Serial0 is up, line protocol is up

Implies, all configurations and the connectivity are

fine.


20/23


21/23

aveen Patel

Serial0 is up, line protocol is downHardware is HD64570Internet address is 10.0.0.1/8MTU 1500 bytes,BW 1544 Kbit,DLY 20000 usec,rely 255/255,load 1/255Encapsulation HDLC, loopback not set, keepalive set (10 sec)Last input 00:07:56, output 00:00:05, output hang neverLast clearing of show interface counters neverInput queue: 0/75/0 (size/max/drops); Total output drops: 0Queueing strategy: weighted fairOutput queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1/256 (active/max active/max total)Reserved Conversations 0/0 (allocated/max allocated)5 minute input rate 0 bits/sec, 0 packets/sec5 minute output rate 0 bits/sec, 0 packets/sec1028 packets input, 20595 bytes, 0 no bufferReceived 906 broadcasts, 0 runts, 0 giants, 0 throttles0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abor 917 packets output, 25475 bytes, 0 underruns0 output errors, 0 collisions, 138 interface resets0 output buffer failures, 0 output buffers swapped out341 carrier transitionsDCD=up DSR=up DTR=up RTS=up CTS=up

Hyderabad#

3. Serial0 is up, line protocol is down

Implies , Encapsulation or Clock Rate (Layer2

commands) have not been given or encapsulation on

both the routers are different.

show int s0


22/23

aveen Patel

Serial0 is down, line protocol is downHardware is HD64570Internet address is 10.0.0.1/8MTU 1500 bytes,BW 1544 Kbit,DLY 20000 usec,rely 255/255,load 1/255Encapsulation HDLC, loopback not set, keepalive set (10 sec)Last input 00:12:40, output 00:00:08, output hang neverLast clearing of show interface counters neverInput queue: 0/75/0 (size/max/drops); Total output drops: 0Queueing strategy: weighted fairOutput queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1/256 (active/max active/max total)Reserved Conversations 0/0 (allocated/max allocated)5 minute input rate 0 bits/sec, 0 packets/sec5 minute output rate 0 bits/sec, 0 packets/sec1088 packets input, 21435 bytes, 0 no bufferReceived 966 broadcasts, 0 runts, 0 giants, 0 throttles0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abor 945 packets output, 26091 bytes, 0 underruns0 output errors, 0 collisions, 147 interface resets0 output buffer failures, 0 output buffers swapped out370 carrier transitionsDCD=down DSR=down DTR=up RTS=up CTS=down

Hyderabad#

4. Serial0 is down, line protocol is down

Implies , No Shut has not been given on the remote

routers interface or some problem with the physical

connectivity.


23/23

aveen Patel

wan interface

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