From: Koen Zeilstra (koen@koenzeilstra.com)
Date: Thu Jun 08 2006 - 05:42:05 ART
That would be "interface"...
Right after I hit the send button it popped up.
All clear.
-----------------------
"When I was crossing the border into Canada, they asked if I had any
firearms with me. I said, `Well, what do you need?'"
-- Steven Wright
On Thu, 8 Jun 2006, Koen Zeilstra wrote:
| Too bad nobody replied to this. I thinks this information is quite
| valuable and omitted from univercd or CCO in general. The only reference I
| could find was a tiny bit in Developing IP Multicast networks by Beau
| Williamson.
|
| In theory, ip multicast rate-limit without group or source list aggregates
| all multicast traffic passin an interface. With group or source list it is
| more granular specified to the specific group or source list.
|
| After playing around with various options I found this:
|
| interface Serial0/0
| ip multicast rate-limit out group-list 10 600
| ip multicast rate-limit out 1000
| end
|
| Router#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,
| 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
| , Outgoing interface flags: H - Hardware switched, A - Assert winner
| Timers: Uptime/Expires
| Interface state: Interface, Next-Hop or VCD, State/Mode
|
| (*, 224.2.2.2), 13:07:37/00:02:08, RP 0.0.0.0, flags: DCL
| Incoming interface: Null, RPF nbr 0.0.0.0
| Outgoing interface list:
| Serial0/0, Forward/Dense, 13:07:37/00:00:00, limit 600 kbps
|
| (*, 224.0.1.40), 13:08:32/00:02:06, RP 0.0.0.0, flags: DCL
| Incoming interface: Null, RPF nbr 0.0.0.0
| Outgoing interface list:
| Serial0/0, Forward/Dense, 13:08:28/00:00:00, Int limit 1000 kbps
| Ethernet0/0, Forward/Dense, 13:08:33/00:00:00
| !
|
| And with
|
| interface Serial0/0
| ip multicast rate-limit out 1000
| end
|
| Router#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,
| 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
| Outgoing interface flags: H - Hardware switched, A - Assert winner
| Timers: Uptime/Expires
| Interface state: Interface, Next-Hop or VCD, State/Mode
|
| (*, 224.2.2.2), 13:08:30/00:02:10, RP 0.0.0.0, flags: DCL
| Incoming interface: Null, RPF nbr 0.0.0.0
| Outgoing interface list:
| Serial0/0, Forward/Dense, 13:08:30/00:00:00, Int limit 1000 kbps
|
| (*, 224.0.1.40), 13:09:26/00:02:13, RP 0.0.0.0, flags: DCL
| Incoming interface: Null, RPF nbr 0.0.0.0
| Outgoing interface list:
| Serial0/0, Forward/Dense, 13:09:22/00:00:00, Int limit 1000 kbps
| Ethernet0/0, Forward/Dense, 13:09:27/00:00:00
|
|
| It still seems that the two groups have 1000 kbps each, however I guess
| the "Int" keywords reveals the secret. That is not present at the
| grouplist rate-limit 600 before.
|
| Very curious what the abbrevations Int means, though.
|
| Any thoughts?
|
| kind regards,
|
| Koen Zeilstra
|
|
|
|
| -----------------------
| November, n.:
| The eleventh twelfth of a weariness.
| -- Ambrose Bierce, "The Devil's Dictionary"
|
| On Tue, 30 May 2006, Koen Zeilstra wrote:
|
| | I found that the "ip multicast rate-limit out 750" command, without
| | group-lists, aggregates all multicast traffic and rate-limits it.
| |
| | With a group list a more granular rate-limiting is applied.
| |
| | Then two additional questions arise:
| |
| | 1. Is rate-limiting with a group-list applied per flow or per destination?
| | 2. Would you need to exclude the 239.1.1.1 range from acl2 or is the order
| | in which the ACL's are placed of more importance?
| |
| | regards,
| |
| | Koen
| |
| |
| | -----------------------
| | "What do you give a man who has everything?" the pretty
| | teenager asked her mother.
| | "Encouragement, dear," she replied.
| |
| | On Mon, 29 May 2006, Koen Zeilstra wrote:
| |
| | | Hi group,
| | |
| | | I want to limit multicast traffic destined to 239.1.1.1 to 500K and traffic to
| | | all other groups to 750K
| | |
| | | Is there a difference between (question/answer related wise) the 2 options
| | | below?
| | |
| | |
| | | [option 1]
| | | interface serial 0
| | | ip multicast rate-limit out group-list 1 500
| | | ip multicast rate-limit out group-list 2 750
| | | !
| | | access-list 1 permit 239.1.1.1 0.0.0.0
| | | access-list 2 permit 0.0.0.0 255.255.255.255
| | |
| | |
| | | [option 2]
| | | interface serial 0
| | | ip multicast rate-limit out group-list 1 500
| | | ip multicast rate-limit out 750
| | | !
| | | access-list 1 permit 239.1.1.1 0.0.0.0
| | |
| | | regards,
| | |
| | | Koen
| | |
| | |
| | | -----------------------
| | | May Euell Gibbons eat your only copy of the manual!
| | |
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