![background image](http://html1.mh-extra.com/html/foundry-networks/fastiron-edge-switch-x424/fastiron-edge-switch-x424_manual_2324269474.webp)
Foundry Configuration Guide for the FESX, FSX, and FWSX
19 - 16
© Foundry Networks, Inc.
December 2005
Configuring Global PIM Sparse Parameters
To configure the PIM Sparse global parameters, use either of the following methods.
NOTE:
When PIM routing is enabled on a FastIron device, the line rate for receive traffic is reduced by about 5%.
The reduction occurs due to overhead from the VLAN multicasting feature, which PIM routing uses. This behavior
is normal and does not indicate a problem with the device.
To configure basic global PIM Sparse parameters, enter commands such as the following on each Layer 3 Switch
within the PIM Sparse domain:
FastIron SuperX Router(config)# router pim
Syntax:
[no] router pim
NOTE:
You do not need to globally enable IP multicast routing when configuring PIM Sparse.
The command in this example enables IP multicast routing, and enables the PIM Sparse mode of IP multicast
routing. The command does not configure the Layer 3 Switch as a candidate PIM Sparse Bootstrap Router (BSR)
and candidate Rendezvous Point (RP). You can configure a Foundry Layer 3 Switch as a PIM Sparse router
without configuring the Layer 3 Switch as a candidate BSR and RP. However, if you do configure the Layer 3
Switch as one of these, Foundry Networks recommends that you configure the Layer 3 Switch as both of these.
See “Configuring BSRs” on page 19-17.
The behavior of the
[no] router pim
command is as follows:
•
Entering
no router pim
command to disable PIM or DVMRP does not require a software reload.
•
Entering a
no router pim
command removes all configuration for PIM multicast on a Layer 3 Switch (
router
pim
level) only.
Globally Enabling and Disabling PIM without Deleting the Multicast Configuration
As stated above entering a
no router pim
command deletes the PIM configuration. If you want to disable PIM
without deleting any PIM configuration, enter the following command:
FastIron SuperX Router(config)# router pim
FastIron SuperX Router(config-pim-router)# disable-pim
Syntax:
[no] disable-pim
Use the [no] version of the command to re-enable PIM.
Configuring PIM Interface Parameters
After you enable IP multicast routing and PIM Sparse at the global level, you must enable it on the individual
interfaces connected to the PIM Sparse network. To do so, use the following CLI method.
To enable PIM Sparse mode on an interface, enter commands such as the following:
FastIron SuperX Router(config)# interface ethernet 2/2
FastIron SuperX Router(config-if-2/2)# ip address 207.95.7.1 255.255.255.0
FastIron SuperX Router(config-if-2/2)# ip pim-sparse
Syntax:
[no] ip pim-sparse
The commands in this example add an IP interface to port 2/2, then enable PIM Sparse on the interface.
If the interface is on the border of the PIM Sparse domain, you also must enter the following command:
FastIron SuperX Router(config-if-2/2)# ip pim border
Syntax:
[no] ip pim border
Summary of Contents for FastIron Edge Switch X424
Page 36: ...Foundry Configuration Guide for the FESX FSX and FWSX 2 12 Foundry Networks Inc December 2005...
Page 56: ...Foundry Configuration Guide for the FESX FSX and FWSX 3 20 Foundry Networks Inc December 2005...
Page 70: ...Foundry Configuration Guide for the FESX FSX and FWSX 4 14 Foundry Networks Inc December 2005...
Page 198: ...Foundry Configuration Guide for the FESX FSX and FWSX 8 38 Foundry Networks Inc December 2005...
Page 316: ...Foundry Configuration Guide for the FESX FSX and FWSX 12 26 Foundry Networks Inc December 2005...
Page 350: ...Foundry Configuration Guide for the FESX FSX and FWSX 15 12 Foundry Networks Inc December 2005...
Page 458: ...Foundry Configuration Guide for the FESX FSX and FWSX 18 18 Foundry Networks Inc December 2005...
Page 712: ...Foundry Configuration Guide for the FESX FSX and FWSX 22 32 Foundry Networks Inc December 2005...
Page 760: ...Foundry Configuration Guide for the FESX FSX and FWSX A 34 Foundry Networks Inc December 2005...
Page 796: ...Foundry Configuration Guide for the FESX FSX and FWSX C 18 Foundry Networks Inc December 2005...
Page 820: ...Foundry Configuration Guide for the FESX FSX and FWSX E 10 Foundry Networks Inc December 2005...