From: jongsoo.kim@intelsat.com
Date: Thu Aug 12 2004 - 21:41:46 GMT-3
Guys
I set up a lab using R1,R2,R4,and R5.
R2,4,5 are F/R multipoint and R2 is hub and R4& R5 are spoke.
I created R4 and R5 igmp join-group 235.0.0.1
R2 is MA as well as RP.
I focused on the affect of pim nbma-mode on F/R multipoint uinsg SM, SD, DM.
I validate based on ping result from R1 to 235.0.0.1 and mroute from R2.
My result showes pim nbma-mode is always needed regardless of SM, SD, DM.
This is the only way R1 can get ping reply-back from R4 and R5
I know cisco doesn't recommend pim nbma-mode on DM or SD but it is necessray based on my lab unless I am doing something wrong.
Here is config and result
Lab #1 pim sparse-mode on serial 0 of R2,4,5
r2#show run int s0
Building configuration...
Current configuration : 221 bytes
!
interface Serial0
ip address 10.0.0.2 255.255.255.0
ip pim sparse-mode
encapsulation frame-relay
frame-relay map ip 10.0.0.4 104 broadcast
frame-relay map ip 10.0.0.5 105 broadcast
frame-relay lmi-type cisco
end
r2#show ip mroute 235.0.0.1
(*, 235.0.0.1), 00:00:28/00:02:59, RP 20.0.0.1, flags: SJC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Sparse, 00:00:28/00:03:01
(30.0.0.1, 235.0.0.1), 00:00:20/00:02:59, flags: CTA
Incoming interface: Ethernet0, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Sparse, 00:00:20/00:02:39
r1#
Reply to request 16 from 10.0.0.5, 64 ms
Reply to request 17 from 10.0.0.5, 64 ms
Reply to request 18 from 10.0.0.5, 64 ms
################################################################################
Lab #2 pim sparse-mode on serial 0 of R2,4,5 and R2 has ip pim nbma-mode
r2#show run int s0
Building configuration...
Current configuration : 239 bytes
!
interface Serial0
ip address 10.0.0.2 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
encapsulation frame-relay
frame-relay map ip 10.0.0.4 104 broadcast
frame-relay map ip 10.0.0.5 105 broadcast
frame-relay lmi-type cisco
end
r2#show ip mroute 235.0.0.1
(*, 235.0.0.1), 00:00:17/00:02:59, RP 20.0.0.1, flags: SJC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, 10.0.0.5, Forward/Sparse, 00:00:03/00:03:26
Serial0, 10.0.0.4, Forward/Sparse, 00:00:08/00:03:21
(30.0.0.1, 235.0.0.1), 00:00:17/00:02:52, flags: CTA
Incoming interface: Ethernet0, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, 10.0.0.5, Forward/Sparse, 00:00:03/00:03:26
Serial0, 10.0.0.4, Forward/Sparse, 00:00:08/00:03:22
r1#
Reply to request 36 from 10.0.0.5, 60 ms
Reply to request 36 from 10.0.0.4, 76 ms
Reply to request 37 from 10.0.0.5, 60 ms
Reply to request 37 from 10.0.0.4, 76 ms
########################################################################
Lab #3 pim sparse-dense-mode on serial 0 of R2,4,5
r5#show run int s0
interface Serial0
ip address 10.0.0.5 255.255.255.0
ip pim sparse-dense-mode
encapsulation frame-relay
ip igmp join-group 235.0.0.1
frame-relay map ip 10.0.0.2 501 broadcast
frame-relay map ip 10.0.0.4 501 broadcast
frame-relay lmi-type cisco
end
r4#show run int s0
interface Serial0
ip address 10.0.0.4 255.255.255.0
ip pim sparse-dense-mode
encapsulation frame-relay
frame-relay map ip 10.0.0.2 401 broadcast
frame-relay map ip 10.0.0.5 401 broadcast
frame-relay lmi-type cisco
end
r2#show run int s0
interface Serial0
ip address 10.0.0.2 255.255.255.0
ip pim sparse-dense-mode
encapsulation frame-relay
frame-relay map ip 10.0.0.4 104 broadcast
frame-relay map ip 10.0.0.5 105 broadcast
frame-relay lmi-type cisco
end
r2#show ip mroute 235.0.0.1
(*, 235.0.0.1), 00:01:45/00:02:59, RP 20.0.0.1, flags: SJC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Sparse-Dense, 00:01:45/00:03:02
(30.0.0.1, 235.0.0.1), 00:01:42/00:03:27, flags: CTA
Incoming interface: Ethernet0, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Sparse-Dense, 00:01:42/00:03:02
r1#
Reply to request 8 from 10.0.0.5, 64 ms
Reply to request 9 from 10.0.0.5, 64 ms
#################################################################################
Lab #4 pim sparse-dense-mode on serial 0 of R2,4,5 and R2 has pim nbma-mode
r2#show run int s0
interface Serial0
ip address 10.0.0.2 255.255.255.0
ip pim nbma-mode
ip pim sparse-dense-mode
encapsulation frame-relay
frame-relay map ip 10.0.0.4 104 broadcast
frame-relay map ip 10.0.0.5 105 broadcast
frame-relay lmi-type cisco
end
r2#show ip mroute 235.0.0.1
(*, 235.0.0.1), 00:00:27/00:03:24, RP 20.0.0.1, flags: SJC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, 10.0.0.4, Forward/Sparse-Dense, 00:00:05/00:03:24
Serial0, 10.0.0.5, Forward/Sparse-Dense, 00:00:25/00:03:04
(30.0.0.1, 235.0.0.1), 00:00:27/00:03:08, flags: CTA
Incoming interface: Ethernet0, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, 10.0.0.4, Forward/Sparse-Dense, 00:00:05/00:03:28
Serial0, 10.0.0.5, Forward/Sparse-Dense, 00:00:25/00:03:04
r1#
Reply to request 24 from 10.0.0.4, 60 ms
Reply to request 24 from 10.0.0.5, 76 ms
Reply to request 25 from 10.0.0.4, 60 ms
Reply to request 25 from 10.0.0.5, 76 ms
###################################################################################
Lab #5 pim dense-mode on serial 0 of R2,4,5
r2#show run int s0
Building configuration...
Current configuration : 220 bytes
!
interface Serial0
ip address 10.0.0.2 255.255.255.0
ip pim dense-mode
encapsulation frame-relay
frame-relay map ip 10.0.0.4 104 broadcast
frame-relay map ip 10.0.0.5 105 broadcast
frame-relay lmi-type cisco
end
r2#
r2#show ip mroute 235.0.0.1
(*, 235.0.0.1), 00:01:53/00:03:08, RP 20.0.0.1, flags: SJC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Dense, 00:01:53/00:00:00
(30.0.0.1, 235.0.0.1), 00:01:52/00:03:25, flags: CTA
Incoming interface: Ethernet0, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Dense, 00:01:52/00:00:00
r1#
Reply to request 74 from 10.0.0.5, 64 ms
Reply to request 75 from 10.0.0.5, 64 ms
Reply to request 76 from 10.0.0.5, 64 ms
Reply to request 77 from 10.0.0.5, 64 ms
#########################################################################################
Lab #6 pim dense-mode on serial 0 of R2,4,5 and R2 has pim nbma-mode
r2#show run int s0
Building configuration...
Current configuration : 238 bytes
!
interface Serial0
ip address 10.0.0.2 255.255.255.0
ip pim nbma-mode
ip pim dense-mode
encapsulation frame-relay
frame-relay map ip 10.0.0.4 104 broadcast
frame-relay map ip 10.0.0.5 105 broadcast
frame-relay lmi-type cisco
end
r2#show ip mroute 235.0.0.1
(*, 235.0.0.1), 00:00:27/00:03:23, RP 20.0.0.1, flags: SJC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Dense, 00:00:06/00:00:00
Serial0, Forward/Dense, 00:00:26/00:00:00
(30.0.0.1, 235.0.0.1), 00:00:27/00:02:56, flags: CTA
Incoming interface: Ethernet0, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0, Forward/Dense, 00:00:06/00:00:00
Serial0, Forward/Dense, 00:00:26/00:00:00
r1#
Reply to request 86 from 10.0.0.4, 60 ms
Reply to request 86 from 10.0.0.5, 76 ms
Reply to request 87 from 10.0.0.4, 60 ms
Reply to request 87 from 10.0.0.5, 76 ms
Reply to request 88 from 10.0.0.4, 60 ms
Reply to request 88 from 10.0.0.5, 76 ms
This archive was generated by hypermail 2.1.4 : Fri Sep 03 2004 - 07:02:42 GMT-3