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Cisco CCNA- PPP Multilink Configuration

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Cisco CCNA- PPP Multilink Configuration

  1. 1. CISCO CCNA PPP Multilink Configuration To watch our Cisco CCNA Video Trainings Please Check out the link below: www.asmed.com/c1 ASM Educational Center Inc. (ASM) Where Training, Technology & Service Converge Phone: (301) 984-7400 Rockville,MD
  2. 2. PPP Multilink Configuration The Goal is that create a PPP Multilink on R1 and R2 so that the link between them will be double speed with IP address as follow: R1:10.10.10.1 /30 R2: 10.10.10.2 /30
  3. 3. PPP Multilink Configuration Step 1) go to each router and give the PPP encapsulation R1#show ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0 /0 unassigned YES Method administratively down down Serial1/0 unassigned YES manual up up Serial1/1 unassigned YES Method up up Serial1/2 unassigned YES Method administratively down down Serial1/3 unassigned YES Method administratively down down Loopback1 1.1.1.1 YES manual up up
  4. 4. PPP Multilink Configuration R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s1/0 R1(config-if)#encapsulation ? atm-dxi ATM-DXI encapsulation bstun Block Serial tunneling (BSTUN) frame-relay Frame Relay networks hdlc Serial HDLC synchronous lapb LAPB (X.25 Level 2) ppp Point-to-Point protocol sdlc SDLC sdlc-primary SDLC (primary) sdlc-secondary SDLC (secondary) smds Switched Megabit Data Service (SMDS) stun Serial tunneling (STUN) x25 X.25
  5. 5. PPP Multilink Configuration R1(config-if)#encapsulation ppp R1(config-if)# *Sep 13 16:48:25.875: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to down R1(config-if)#int s1/1 R1(config-if)#encapsulation ppp R1(config-if)# *Sep 13 16:48:52.335: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/1, changed state to down R1(config-if)#
  6. 6. PPP Multilink Configuration As you see as soon as I changed the Encapsulations to PPP, It went down since I need to do R2 . R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s1/0 R2(config-if)#en R2(config-if)#encapsulation ppp R2(config-if)# R2(config-if)# R2(config-if)#int s1/1
  7. 7. PPP Multilink Configuration R2(config-if)# R2(config-if)# *Sep 13 16:51:07.551: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up R2(config-if)#encapsulation ppp R2(config-if)# R2(config-if)# *Sep 13 16:51:14.127: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/1, changed state to up R2(config-if)#
  8. 8. PPP Multilink Configuration Now If I go to each router I will see up and up R1#show ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0 /0 unassigned YES NVRAM administratively down down Serial1/0 unassigned YES manual up up Serial1/1 unassigned YES NVRAM up up Serial1/2 unassigned YES NVRAM administratively down down Serial1/3 unassigned YES NVRAM administratively down down Loopback1 1.1.1.1 YES manual up up
  9. 9. PPP Multilink Configuration Step 2) Now I will go create a Multilink Interface under R1 R1# int Multilink 100 ip address 10.10.10.1 255.255.255.252 ppp multilink ppp multilink group 100 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int mul R1(config)#int multilink ? <1-2147483647> Multilink interface number R1(config)#int multilink 100 R1(config-if)#ip add *Sep 13 16:58:20.103: %LINEPROTO-5-UPDOWN: Line protocol on Interface Multilink100, changed state to down
  10. 10. PPP Multilink Configuration R1(config-if)#ip add R1(config-if)#ip address 10.10.10.1 255.255.255.252 R1(config-if)#pppp multi R1(config-if)#ppp multi R1(config-if)#ppp multilink R1(config-if)#ppp mul R1(config-if)#ppp multilink ? endpoint Configure the local Endpoint Discriminator fragment Specify fragmentation parameters group Put interface in a multilink bundle
  11. 11. PPP Multilink Configuration idle-link Do not transmit fragments over the lowest speed link interleave Allow interleaving of small packets with fragments links Specify the limits on the number of links in a bundle load-threshold Specify threshold used to add/delete links mrru Configure multilink MRRU values multiclass Configure support for Multiclass Multilink queue Specify link queuing parameters slippage Set constraints on amount of data the MLP reassembly engine will buffer per link <cr>
  12. 12. PPP Multilink Configuration R1(config-if)#ppp multilink gro R1(config-if)#ppp multilink group ? <1-2147483647> Multilink group number R1(config-if)#ppp multilink group 1 % Cannot add multilink-group interface to a different multilink group R1(config-if)#ppp multilink group 100 As you see the group number and interface must be same on R1 , but for R2 I can use different Group number as we will see (I will use group 200 for R2)
  13. 13. PPP Multilink Configuration Here is show run so far on R1: R1#show run interface Multilink100 ip address 10.10.10.1 255.255.255.252 ppp multilink ppp multilink group 100 !
  14. 14. PPP Multilink Configuration Step 3) Now make sure go under each interface of int s1/0 and s1/1 give these commands and make sure use same as group 100 int s1/0 encapsultion ppp ppp multilink ppp multilink group 100 int s1/1 encapsultion ppp ppp multilink ppp multilink group 100
  15. 15. PPP Multilink Configuration R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s1/0 R1(config-if)#ppp multilink R1(config-if)#ppp multilink group 100 R1(config-if)# R1(config-if)#int s1/1 R1(config-if)#ppp multilink R1(config-if)#ppp multilink group 100
  16. 16. PPP Multilink Configuration Now lets look at R1#show ip int brief R1#show ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES NVRAM administratively down down Serial1/0 unassigned YES manual up up Serial1/1 unassigned YES NVRAM up up Serial1/2 unassigned YES NVRAM administratively down down Serial1/3 unassigned YES NVRAM administratively down down Multilink100 10.10.10.1 YES manual down down Loopback1 1.1.1.1 YES manual up up R1#
  17. 17. PPP Multilink Configuration Interface IP-Address OK? Method Status Protocol FastEthernet0 /0 unassigned YES Method administratively down down Serial1/0 unassigned YES manual up up Serial1/1 unassigned YES Method up up Serial1/2 unassigned YES Method administratively down down Serial1/3 unassigned YES Method administratively down down Loopback1 1.1.1.1 YES manual up up As we see I have Multilink 100 is Down Down; since I need to do same concept on other side R2
  18. 18. PPP Multilink Configuration Step 4) Now I will go create a Multilink Interface under R2 R2# int Multilink 200 ip address 10.10.10.2 255.255.255.252 ppp multilink ppp multilink group 200 R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int multilink 200 R2(config-if)#ip address 10.10.10.2 255.255.255.252 R2(config-if)#ppp mult R2(config-if)#ppp multilink R2(config-if)#ppp mul R2(config-if)#ppp multilink ?
  19. 19. PPP Multilink Configuration endpoint Configure the local Endpoint Discriminator fragment Specify fragmentation parameters group Put interface in a multilink bundle idle-link Do not transmit fragments over the lowest speed link interleave Allow interleaving of small packets with fragments links Specify the limits on the number of links in a bundle load-threshold Specify threshold used to add/delete links mrru Configure multilink MRRU values multiclass Configure support for Multiclass Multilink queue Specify link queuing parameters slippage Set constraints on amount of data the MLP reassembly engine will buffer per link <cr> R2(config-if)#ppp multilink gr R2(config-if)#ppp multilink group 200
  20. 20. PPP Multilink Configuration Step 5) Now make sure go under each interface of int s1/0 and s1/1 give these commands and make sure use same as group 200 R2# int s1/0 encapsultion ppp ppp multilink ppp multilink group 200 int s1/1 encapsultion ppp ppp multilink ppp multilink group 200
  21. 21. PPP Multilink Configuration R2(config)#int s1/0 R2(config-if)#ppp multilink R2(config-if)#ppp multilink group 200 R2(config-if)#int s1/1 R2(config-if)#ppp multilink R2(config-if)#ppp multilink group 200 R2(config-if)# R2(config-if)#
  22. 22. PPP Multilink Configuration Here is show run on R2 so far: ! interface Multilink200 ip address 10.10.10.2 255.255.255.252 ppp multilink ppp multilink group 200 ! interface FastEthernet0/0 no ip address shutdown duplex half !
  23. 23. PPP Multilink Configuration interface Serial1/0 no ip address encapsulation ppp serial restart-delay 0 ppp multilink ppp multilink group 200 ! interface Serial1/1 no ip address encapsulation ppp serial restart-delay 0 ppp multilink ppp multilink group 200
  24. 24. PPP Multilink Configuration R2#show ip int brief Any interface listed with OK? value "NO" does not have a valid configuration R2# Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down Serial1/0 unassigned YES manual up up Serial1/1 unassigned YES unset up up Serial1/2 unassigned YES unset administratively down down Serial1/3 unassigned YES unset administratively down down Virtual-Access1 unassigned NO TFTP down down Multilink200 10.10.10.2 YES manual up up Loopback1 2.2.2.2 YES manual up up
  25. 25. PPP Multilink Configuration R2#ping 10.10.10.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.10.10.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 36/56/68 ms
  26. 26. PPP Multilink Configuration Here are show good show commands: R1#show ppp multilink Multilink100, bundle name is R2 Endpoint discriminator is R2 Bundle up for 00:13:13, total bandwidth 3088, load 1/255 Receive buffer limit 24000 bytes, frag timeout 1000 ms 0/0 fragments/bytes in reassembly list 0 lost fragments, 0 reordered 0/0 discarded fragments/bytes, 0 lost received 0x38 received sequence, 0x38 sent sequence Member links: 2 active, 0 inactive (max not set, min not set) Se1/0, since 00:24:14 Se1/1, since 00:12:46 No inactive multilink interfaces
  27. 27. PPP Multilink Configuration Here is show command on R2#: R2#show ppp multilink Multilink200, bundle name is R1 Endpoint discriminator is R1 Bundle up for 00:15:42, total bandwidth 3088, load 1/255 Receive buffer limit 24000 bytes, frag timeout 1000 ms 0/0 fragments/bytes in reassembly list 0 lost fragments, 1 reordered 0/0 discarded fragments/bytes, 0 lost received 0x3C received sequence, 0x3C sent sequence Member links: 2 active, 0 inactive (max not set, min not set) Se1/0, since 00:15:42 Se1/1, since 00:15:16 No inactive multilink interfaces
  28. 28. PPP Multilink Configuration Here is show int S1/0 before the Multi-link as we see it will be double in Multilink: R1#show int s1/0 Serial1/0 is up, line protocol is up Hardware is M4T MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation PPP, LCP Open, multilink Open Link is a member of Multilink bundle Multilink100, crc 16, loopback not set Keepalive set (10 sec) Restart-Delay is 0 secs Last input 00:00:56, output 00:00:04, output hang never
  29. 29. PPP Multilink Configuration Now If I Go to R1 and ping R2=10.10.10.2 with continues ping and then go and shut down R2 (S1/0) I will see after a delay it will continue to ping: R1#ping 10.10.10.2 repeat 10000000 Type escape sequence to abort. Sending 10000000, 100-byte ICMP Echos to 10.10.10.2, timeout is 2 seconds: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!.............................!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! *Sep 13 18:10:14.419: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to down!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!.
  30. 30. PPP Multilink Configuration R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s1/0 R2(config-if)#shut R2(config-if)# *Sep 13 18:07:27.595: %LINK-5-CHANGED: Interface Serial1/0, changed state to administratively down R2(config-if)# *Sep 13 18:07:27.595: %ENTITY_ALARM-6-INFO:ASSERT INFO Se1/0 Physical Port Administrative State Down *Sep 13 18:07:28.595: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to down R2(config-if)#
  31. 31. PPP Multilink Configuration Now lets look at show command on R2# R2#show ppp multilink Multilink200, bundle name is R1 Endpoint discriminator is R1 Bundle up for 00:25:03, total bandwidth 1544, load 1/255 Receive buffer limit 12000 bytes, frag timeout 1000 ms 0/0 fragments/bytes in reassembly list 29 lost fragments, 30 reordered 29/1847 discarded fragments/bytes, 0 lost received 0x2DC received sequence, 0x2A2 sent sequence Member links: 1 active, 1 inactive (max not set, min not set) Se1/1, since 00:24:37 Se1/0 (inactive) No inactive multilink interfaces
  32. 32. PPP Multilink Configuration Now lets look at show command on R2# R2#show ppp multilink Multilink200, bundle name is R1 Endpoint discriminator is R1 Bundle up for 00:25:03, total bandwidth 1544, load 1/255 Receive buffer limit 12000 bytes, frag timeout 1000 ms 0/0 fragments/bytes in reassembly list 29 lost fragments, 30 reordered 29/1847 discarded fragments/bytes, 0 lost received 0x2DC received sequence, 0x2A2 sent sequence Member links: 1 active, 1 inactive (max not set, min not set) Se1/1, since 00:24:37 Se1/0 (inactive) No inactive multilink interfaces
  33. 33. PPP Multilink Configuration As we see we have one active and one inactive, and BW has been dropped to 1544. Lets give no shut on R2# R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s1/0 R2(config-if)#no shut
  34. 34. PPP Multilink Configuration Here is summary on R1 and R2: R1#show run interface Multilink100 ip address 10.10.10.1 255.255.255.252 ppp multilink ppp multilink group 100 ! interface FastEthernet0/0 no ip address shutdown duplex half !
  35. 35. PPP Multilink Configuration interface Serial1/0 no ip address encapsulation ppp serial restart-delay 0 ppp multilink ppp multilink group 100 ! interface Serial1/1 no ip address encapsulation ppp serial restart-delay 0 ppp multilink ppp multilink group 100
  36. 36. PPP Multilink Configuration Here is show run for R2#: interface Multilink200 ip address 10.10.10.2 255.255.255.252 ppp multilink ppp multilink group 200 ! interface FastEthernet0/0 no ip address shutdown duplex half ! interface Serial1/0 no ip address encapsulation ppp serial restart-delay 0 ppp multilink ppp multilink group 200 !
  37. 37. PPP Multilink Configuration interface Serial1/1 no ip address encapsulation ppp serial restart-delay 0 ppp multilink ppp multilink group 200
  38. 38. ASM Educational Center Inc. (ASM) Where Training, Technology & Service Converge To watch our CiscoCCNAVideoTrainings PleaseCheck out the link below: www.asmed.com/c1 Phone: (301) 984-7400 Rockville,MD

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