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Kamis, 09 Mei 2013

Multicast Routing Sparse Dense Mode

Pada Multicast routing sparse dense mode, pemilihan RP dilakukan secara Auto dengan mengkonfigurasikan mapping agent.

Bagi yang belum baca, silakan kunjungi link ini

Topologi Lab :

Konfigurasi R1 :

ip multicast-routing

interface Loopback0
 ip address 1.1.1.1 255.255.255.255
 ip pim sparse-dense-mode
!
interface Ethernet0/0
 ip address 12.12.12.1 255.255.255.0
 ip pim sparse-dense-mode

router ospf 1
 network 0.0.0.0 255.255.255.255 area 0


Konfigurasi R2 :

ip multicast-routing

interface Loopback0
 ip address 2.2.2.2 255.255.255.255
 ip pim sparse-dense-mode
!
interface Ethernet0/0
 ip address 12.12.12.2 255.255.255.0
 ip pim sparse-dense-mode
!
interface Ethernet0/1
 ip address 23.23.23.2 255.255.255.0
 ip pim sparse-dense-mode
!
router ospf 1
 network 0.0.0.0 255.255.255.255 area 0

ip pim send-rp-announce Loopback0 scope 255  ------>> menjadikan Lo0 R2 sbgai RP
ip pim send-rp-discovery scope 255 ------>> utk menjadikan Mapping Agent



Konfigurasi R3 :

ip multicast-routing

interface Loopback0
 ip address 3.3.3.3 255.255.255.0
 ip pim sparse-dense-mode
 ip igmp join-group 239.0.0.1
!
interface Ethernet0/0
 ip address 23.23.23.3 255.255.255.0
 ip pim sparse-dense-mode

router ospf 1
 network 0.0.0.0 255.255.255.255 area 0



Verifikasi :

R2#sh ip pim rp mapp
PIM Group-to-RP Mappings
This system is an RP (Auto-RP)  -------->> sbgai RP

This system is an RP-mapping agent ------>> sbgai Mapping Agent

Group(s) 224.0.0.0/4
  RP 2.2.2.2 (?), v2v1
    Info source: 2.2.2.2 (?), elected via Auto-RP
         Uptime: 00:10:57, expires: 00:02:03


R3#sh ip pim rp mapp
PIM Group-to-RP Mappings

Group(s) 224.0.0.0/4
  RP 2.2.2.2 (?), v2v1
    Info source: 23.23.23.2 (?), elected via Auto-RP
         Uptime: 00:14:59, expires: 00:02:56


R1#ping 239.0.0.1  
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.0.0.1, timeout is 2 seconds:

Reply to request 0 from 3.3.3.3, 19 ms
Reply to request 0 from 3.3.3.3, 43 ms


R1#sh ip mroute
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
       L - Local, P - Pruned, R - RP-bit set, F - Register flag,
       T - SPT-bit set, J - Join SPT, M - MSDP created entry, E - Extranet,
       X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
       U - URD, I - Received Source Specific Host Report,
       Z - Multicast Tunnel, z - MDT-data group sender,
       Y - Joined MDT-data group, y - Sending to MDT-data group,
       V - RD & Vector, v - Vector
Outgoing interface flags: H - Hardware switched, A - Assert winner
 Timers: Uptime/Expires
 Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 239.0.0.1), 00:01:10/stopped, RP 2.2.2.2, flags: SPF
  Incoming interface: Ethernet0/0, RPF nbr 12.12.12.2
  Outgoing interface list: Null

(1.1.1.1, 239.0.0.1), 00:00:55/00:02:04, flags: FT
  Incoming interface: Loopback0, RPF nbr 0.0.0.0, Registering
  Outgoing interface list:
    Ethernet0/0, Forward/Sparse-Dense, 00:00:55/00:02:34

(12.12.12.2, 239.0.0.1), 00:01:10/00:01:49, flags: PT
  Incoming interface: Ethernet0/0, RPF nbr 12.12.12.2
  Outgoing interface list: Null

(*, 230.0.0.1), 00:02:02/stopped, RP 2.2.2.2, flags: SPF
  Incoming interface: Ethernet0/0, RPF nbr 12.12.12.2
  Outgoing interface list: Null

(1.1.1.1, 230.0.0.1), 00:02:02/00:00:57, flags: PFT
  Incoming interface: Loopback0, RPF nbr 0.0.0.0
  Outgoing interface list: Null

(*, 224.0.1.39), 00:18:04/stopped, RP 0.0.0.0, flags: DC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Ethernet0/0, Forward/Sparse-Dense, 00:18:04/stopped

(2.2.2.2, 224.0.1.39), 00:18:04/00:02:45, flags: PT
  Incoming interface: Ethernet0/0, RPF nbr 12.12.12.2
  Outgoing interface list: Null

(*, 224.0.1.40), 00:18:04/stopped, RP 0.0.0.0, flags: DCL
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Loopback0, Forward/Sparse-Dense, 00:18:04/stopped
    Ethernet0/0, Forward/Sparse-Dense, 00:18:04/stopped

(12.12.12.2, 224.0.1.40), 00:18:04/00:02:50, flags: LT
  Incoming interface: Ethernet0/0, RPF nbr 12.12.12.2
  Outgoing interface list:
    Loopback0, Forward/Sparse-Dense, 00:18:04/stopped


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