From: ccie2be (ccie2be@nyc.rr.com)
Date: Fri Aug 13 2004 - 07:00:51 GMT-3
Hi,
Good going.
I read your post carefully but I'm not clear on a couple of points.
Where is R1 in your network?
Also, what happens when you make just R5 a mcast member and ping from R4?
Does the ping get forwarded by R2 under all conditions?
Thanks again. Tim
----- Original Message -----
From: <jongsoo.kim@intelsat.com>
To: <ccielab@groupstudy.com>
Sent: Thursday, August 12, 2004 8:41 PM
Subject: My Lab result on "pim nbma-mode" using SM, SD, DM
> 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
>
> _______________________________________________________________________
> Please help support GroupStudy by purchasing your study materials from:
> http://shop.groupstudy.com
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Fri Sep 03 2004 - 07:02:42 GMT-3