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JunosE 11.3.x Multicast Routing Configuration Guide
ip pim ssm
Configuring the BFD Protocol for PIM
106
Enable PIM SSM on the E Series router. The IANA SSM range (232.0.0.0/8) is
1.
configured by default. You can modify the SSM address range by using the access
list.
host1(config)#access-list 15 permit ip any host 239.0.0.2
host1(config)#access-list 15 permit ip any 232.0.0.0 0.225.225.225
host1(config)#ip pim ssm range 15
Enable PIM sparse mode on the CPE-facing interface towards the source or core.
2.
Enable IGMPv3 on the CPE-facing interface towards the receiver. PIM SSM also works
3.
with IGMPv2 if you configure the ssm-map in IGMP as in the following example:
PIM SSM also works with IGMPv2 if you configure the ssm-map in IGMP as in the following
example:
host1(config)#ip pim ssm
host1(config)#access-list ssm_map1 permit 232.0.0.1 255.255.255.255
host1(config)#ip igmp ssm-map enable
host1(config)#ip igmp ssm-map static ssm_map1 51.0.0.1
The no version disables ssm-map:
host1(config)#no ip igmp ssm-map static ssm_map1 51.0.0.1
Use to enable PIM SSM and define the SSM range for IPv4 multicast addresses.
Use the range keyword to define the SSM range of IP multicast addresses.
Example 1—Enables SSM with addresses in the IANA range. The SSM address range
is set as the default and by default, the SSM group multicast address is limited to the
IPv4 address range 232.0.0.0/8.
host1(config)#ip pim ssm
Example 2—Configures Class D addresses outside of the default SSM range.
host1(config)#access-list alist permit any 223.0.0.0 0.255.255.255
host1(config)#ip pim ssm range alist
Example 3—Resets the SSM address range to the default.
host1(config)#ip pim ssm default
Use the no version to disable SSM.
See ip pim ssm.
The ip pim bfd-liveness-detection command configures the Bidirectional Forwarding
Detection (BFD) protocol for PIM. The BFD protocol uses control packets and shorter
detection time limits to more rapidly detect failures in a network. Also, because they are
adjustable, you can modify the BFD timers for more or less aggressive failure detection.
Copyright © 2010, Juniper Networks, Inc.
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