multicast

2008/11/28 00:12

1)번문제
 - r3 g0/0, s0/0/0 및 r4 g0/0, s0/0/0 pim sparse mode enable 하고,
   r3의 loop0가 multicast group 224.10.1.1 ~ 4에 대해서만 RP가 되게하라

이슈가 된것는 두번째 조건
- Multicast source is originating from VALN_D. Configure R4 to reach the RP at R3
   그리고 auto rp, static rp, bsr 전혀 언급이 없어요.


R3

ip multicast-routing

int s0/0
 ip pim sparse-mode
 ip pim nbma-mode

int gi0/0
 ip pim sparse-mode

int lo0
 ip pim sparse-mode
 

ip pim rp-address yy.yy.3.3 10

access-list 10 per host 224.100.1.1
access-list 10 per host 224.100.1.2
access-list 10 per host 224.100.1.3
access-list 10 per host 224.100.1.4


R4

ip multicast-routing

int s0/0
 ip pim sparse-mode
 ip pim nbma-mode

int fa0/0
 ip pim sparse-mode

int fa0/1
 ip pim sparse-mode


ip pim rp-address yy.yy.3.3 10

access-list 10 per host 224.100.1.1
access-list 10 per host 224.100.1.2
access-list 10 per host 224.100.1.3
access-list 10 per host 224.100.1.4


2)번 문제
- 첫번째 조건(MSDP설정)은 거의 동일. 다만 join에 대한 언급이 전혀 없음.
  R2과 R5의 loopback 10(192.168.255.254/32)에 ip가 입력되어 있다. anycast-rp를 설정하기 위해서 해당 주소를 어떠한 igp로 광고해도 무방하다.

- Configure R5 g0/0, to advertize the multicast group 224.10.1.5, 224.10.1.6


R2

int lo10
ip addr 192.168.255.254 255.255.255.255
ip pim sparse-mode

int fa0/0
 ip pim sparse-mode

int lo0
 ip pim sparse-mode


router eigrp 100
 network 192.168.255.254 0.0.0.0


ip msdp peer 14.14.5.5 connect-source loopback 0
ip msdp originator-id loopback 0
ip pim rp-address 192.168.255.254 11

access-list 11 per host 224.100.1.5
access-list 11 per host 224.100.1.6


 

R5

int lo10
 ip addr 192.168.255.254 255.255.255.255
 ip pim sparse-mode

int fa0/0
 ip pim sparse-mode

int lo0
 ip pim sparse-mode
 

router eigrp 100
 network 192.168.255.254 0.0.0.0
 

ip msdp peer 14.14.2.2 connect-source loopback 0
ip msdp originator-id loopback 0
ip pim rp-address 192.168.255.254 11

access-list 11 per host 224.100.1.5
access-list 11 per host 224.100.1.6


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