ProCurve 8200zl Uživatelská příručka stáhnout pdf (Strana 86)

PIM-DM (Dense Mode)

Displaying PIM Data and Configuration Settings

Displaying PIM Status

Syntax: show ip pim

Displays PIM status and global parameters.

PIM Status: Shows either enabled or disabled.

State Refresh Interval (sec):

A PIM routing switch originates

state refresh messages to inform its neighbors of the active

flows it is currently routing. This updates the current flow

data on PIM routers that join or rejoin a multicast network

after the initial flood and prune. This enables hosts on such

routers to join a multicast group without having to wait for

a “flood and prune” cycle. PIM routers having the state refresh

capability can eliminate all but an initial flood and prune

cycle. PIM routers without this capability periodically trigger

a flood and prune cycle on the path between the PIM router

and the multicast source. (Range: 10 - 300 seconds; Default:

60 seconds.)

Join/Prune Interval (sec): Indicates the frequency with which the

router transmits join and prune messages for the multicast

groups the router is forwarding.

SPT Threshold: This is the “Shortest Path Tree Threshold” used

with PIM-SM. For more information, refer to “Displaying the

Current PIM status and Global Configuration” on page 4-51.

Traps:

Enables the following SNMP traps:

– neighbor-loss: Sends a trap if a neighbor router is lost.

– hardware-mrt-full: Sends a trap if the hardware multicast

router (MRT) table is full (2,048 active flows).

– software-mrt-full: Sends a trap if the software multicast

router (MRT) table is full (511 active flows). This can

occur only if the hardware MRT is also full.

– all: Enables all of the above traps.

ProCurve(config)# show ip pim

PIM Global Parameters

PIM Status : enabled

State Refresh Interval (sec) : 60

Join/Prune Interval (sec) : 60

SPT Threshold : Enabled

Traps : hardware-mrt-full

Figure 3-10. Example Output for Routing Switch “#1” in Figure 3-4 on Page 3-20

3-28

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 359 360

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