From: Narbik Kocharians (narbikk@gmail.com)
Date: Wed Apr 04 2007 - 02:36:57 ART
Victor i am proud of you, when are you going to take the R&S?
On 4/3/07, ccie anees <ccieanees@yahoo.com> wrote:
>
> Correct. It is used to elect PIM DR. But I see in Doc CD,
>
>
http://www.cisco.com/en/US/products/ps6350/products_configuration_guide_chapt
er09186a00805a4e8e.html#wp1054079
>
> Steps 3, 5, and 6 in this task are independent of each other and are
> therefore considered optional. Any one of these steps will help optimize
PIM
> sparse mode. If you are going to perform Step 5 or 6, you must perform Step
> 4. Step 6 applies only to a designated router; changing the PIM query
> interval is only appropriate on redundant routers on the edge of the PIM
> domain.
> SUMMARY STEPS 1. enable
> 2. configure terminal
> 3. ip pim register-rate-limit rate
> 4. ip pim spt-threshold {kbps | infinity} [group-list access-list]
> 5. interface type number
> 6. ip pim query-interval period [msec]
>
> Why do I need to configure spt-threshold in order to configure pim
> query-interval?
>
> Thanks,
>
> Anees.
>
> Victor Cappuccio <victor@ccbootcamp.com> wrote:
>
> Hi,
>
>
> Configures the frequency at which multicast routers send PIM router query
> messages.
> By default, multicast routers send PIM router query messages every 30
> seconds. By enabling a router to send PIM hello messages more often, the
> router can discover unresponsive neighbors more quickly. As a result, the
> router can implement failover or recovery procedures more efficiently. It
is
> appropriate to make this change only on redundant routers on the edge of
the
> network
>
>
> Perform this step only on redundant routers on the edge of a PIM domain.
>
> The default query interval is 30 seconds.
>
> The period argument is in seconds unless the msec keyword is specified.
>
> Set the query interval to a smaller number of seconds for faster
> convergence, but keep in mind the trade-off between faster convergence and
> higher CPU and bandwidth usage.
>
> thanks,
> Victor Cappuccio.-
> Network Learning Inc - A Cisco Sponsored Organization (SO) YES! We take
> Cisco Learning credits!
> victor@ccbootcamp.com
> http://www.ccbootcamp.com (Cisco Training and Rental Racks)
> http://www.ccbootcamp.com/groupstudy.html (groupstudy member discounts!)
> Voice: 702-968-5100
> FAX: 702-446-8012
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com on behalf of ccie anees
> Sent: Tue 4/3/2007 12:54
> To: ccielab@groupstudy.com
> Subject: PIM Query-interval
>
> Hi,
>
> What is PIM Query-interval? Is it to query the PIM Neighbor router? Is it
> like PIM hello messages?
>
> And the doc cd says You need to enable ip pim spt-threshold <> in order to
> configure ip pim query-interval <>? Is it true?
>
> Thanks,
>
> Anees.
>
>
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-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832 Network Learning, Inc. (CCIE class Instructor) www.ccbootcamp.com (CCIE Training)
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