Lectures notes for 2010 - KTH
Lectures notes for 2010 - KTH Lectures notes for 2010 - KTH
Frame 1: IGMP Membership Query Ethernet II, Src: 00:02:4b:de:ea:d8, Dst: 01:00:5e:00:00:01 Destination: 01:00:5e:00:00:01 (01:00:5e:00:00:01) Source: 00:02:4b:de:ea:d8 (Cisco_de:ea:d8) Type: IP (0x0800) Internet Protocol, Src Addr: 130.237.15.194 (130.237.15.194), Dst Addr: 224.0.0.1 (224.0.0.1) Version: 4 Header length: 20 bytes Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00) Total Length: 28 Identification: 0x6fa3 (28579) Flags: 0x00 Fragment offset: 0 Time to live: 1 Protocol: IGMP (0x02) Header checksum: 0xd6cc (correct) Source: 130.237.15.194 (130.237.15.194) Destination: 224.0.0.1 (224.0.0.1) Internet Group Management Protocol IGMP Version: 2 Type: Membership Query (0x11) Max Response Time: 10.0 sec (0x64) Header checksum: 0xee9b (correct) Multicast Address: 0.0.0.0 (0.0.0.0) Maguire Frame 1: IGMP Membership Query 8: 27 of 78 maguire@kth.se 2010.03.21 Internetworking/Internetteknik
Frame 2: IGMP v2 Membership Report Ethernet II, Src: 00:06:1b:d0:98:c6, Dst: 01:00:5e:7f:ff:fa Destination: 01:00:5e:7f:ff:fa (01:00:5e:7f:ff:fa) Source: 00:06:1b:d0:98:c6 (Portable_d0:98:c6) Type: IP (0x0800) Internet Protocol, Src Addr: 130.237.15.225 (130.237.15.225), Dst Addr: 239.255.255.250 (239.255.255.250) Version: 4 Header length: 24 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00) Total Length: 32 Identification: 0x1f8b (8075) Flags: 0x00 Time to live: 1 Protocol: IGMP (0x02) Header checksum: 0x8284 (correct) Source: 130.237.15.225 (130.237.15.225) Destination: 239.255.255.250 (239.255.255.250) Options: (4 bytes) Router Alert: Every router examines packet Internet Group Management Protocol IGMP Version: 2 Type: Membership Report (0x16) Max Response Time: 0.0 sec (0x00) Header checksum: 0xfa04 (correct) Multicast Address: 239.255.255.250 (239.255.255.250) Maguire Frame 2: IGMP v2 Membership Report 8: 28 of 78 maguire@kth.se 2010.03.21 Internetworking/Internetteknik
- Page 473 and 474: • Open • Update • Keepalive
- Page 475 and 476: BGP Update Message 0 7 8 15 16 23 2
- Page 477 and 478: BGP Notification Message 0 7 8 15 1
- Page 479 and 480: Federal Internet eXchange (FIX) A t
- Page 481 and 482: Global Internet eXchange (GIX) Glob
- Page 483 and 484: Network Access Points (NAPs) At the
- Page 485 and 486: Router Arbiter Project Router Arbit
- Page 487 and 488: Euro6IX The European IPv6 Internet
- Page 489 and 490: Flows A flow is defined as a “uni
- Page 491 and 492: A Tag Edge router labels a packet b
- Page 493 and 494: Creating tags Since tag switching d
- Page 495 and 496: Summary This lecture we have discus
- Page 497 and 498: [14] R. Hinden (Editor), “Applica
- Page 499 and 500: • Multicast • IGMP • RSVP Out
- Page 501 and 502: Broadcast and Multicast Traditional
- Page 503 and 504: Broadcasting • Limited Broadcast
- Page 505 and 506: Alternative centralized model CU-Se
- Page 507 and 508: IP Multicast scales well • End-no
- Page 509 and 510: Steve Deering’s Multicast Dynamic
- Page 511 and 512: Multicasting IP addresses Multicast
- Page 513 and 514: Converting Multicast Group to Ether
- Page 515 and 516: Problems Unfortunately many links d
- Page 517 and 518: How does IGMP fit into the protocol
- Page 519 and 520: IGMP Implementation Details In orde
- Page 521 and 522: IGMP Version 2 [3] Allows a host to
- Page 523: IGMP - ethereal Figure 7: IGMP pack
- Page 527 and 528: Frame 15: IGMP v2 Leave Group Ether
- Page 529 and 530: Therefore a Multicast Router • Li
- Page 531 and 532: Multicast Routing - Flooding • ma
- Page 533 and 534: Multicast Routing - Spanning Trees
- Page 535 and 536: Reverse -Path Forwarding (RPF) RPF
- Page 537 and 538: Reverse Path Broadcast (RPB) • We
- Page 539 and 540: Distance-Vector Multicast Routing P
- Page 541 and 542: Core-Based Trees (CBT) A fixed poin
- Page 543 and 544: Multiprotocol BGP (MBGP) [10] Exten
- Page 545 and 546: Telesys class was multicast over MB
- Page 547 and 548: MBONE Chronology Nov. 1988 Small gr
- Page 549 and 550: For the some statistics see: http:/
- Page 551 and 552: mrouted mrouted UNIX deamon tunneli
- Page 553 and 554: GLOP addressing Traditionally multi
- Page 555 and 556: Other multicast efforts PGM: Pragma
- Page 557 and 558: SNMP-based tools and multicast rela
- Page 559 and 560: SNMP tools for working with multica
- Page 561 and 562: RSVP: Resource Reservation Setup Pr
- Page 563 and 564: Resource Reservation • Interarriv
- Page 565 and 566: Capacity Assignment • end-nodes a
- Page 567 and 568: RSVP Soft State • “soft state
- Page 569 and 570: RSVP operations (continued) • At
- Page 571 and 572: Argument against Reservation Given,
- Page 573 and 574: This lecture we have discussed: •
Frame 2: IGMP v2 Membership Report<br />
Ethernet II, Src: 00:06:1b:d0:98:c6, Dst: 01:00:5e:7f:ff:fa<br />
Destination: 01:00:5e:7f:ff:fa (01:00:5e:7f:ff:fa)<br />
Source: 00:06:1b:d0:98:c6 (Portable_d0:98:c6)<br />
Type: IP (0x0800)<br />
Internet Protocol, Src Addr: 130.237.15.225 (130.237.15.225), Dst<br />
Addr: 239.255.255.250 (239.255.255.250)<br />
Version: 4<br />
Header length: 24 bytes<br />
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)<br />
Total Length: 32<br />
Identification: 0x1f8b (8075)<br />
Flags: 0x00<br />
Time to live: 1<br />
Protocol: IGMP (0x02)<br />
Header checksum: 0x8284 (correct)<br />
Source: 130.237.15.225 (130.237.15.225)<br />
Destination: 239.255.255.250 (239.255.255.250)<br />
Options: (4 bytes)<br />
Router Alert: Every router examines packet<br />
Internet Group Management Protocol<br />
IGMP Version: 2<br />
Type: Membership Report (0x16)<br />
Max Response Time: 0.0 sec (0x00)<br />
Header checksum: 0xfa04 (correct)<br />
Multicast Address: 239.255.255.250 (239.255.255.250)<br />
Maguire Frame 2: IGMP v2 Membership Report 8: 28 of 78<br />
maguire@kth.se <strong>2010</strong>.03.21 Internetworking/Internetteknik
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