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JunosE 11.3.0 Release Notes
Subscriber Management
52
Known Problems and Limitations
When you use the ping command with the IPv6 address of the helper router
in the multicast area as the destination address and the loopback address
of the helper router in the backbone area as the source address, a packet
loss of 2 seconds occurs for the first stateful SRP switchover. However, no
packet loss occurs for successive stateful SRP switchovers.
When you use the ping command with the IPv6 address of the helper router
in the broadcast network as the destination address and no source address
when stateful SRP switchover is performed the first time, an identical
packet loss occurs. In this case too, no packet loss occurs during subsequent
switchovers.
E120 router or E320 router
When you use the ping command with the IPv6 address of the helper router
in the broadcast network as the destination address and the loopback
address of the helper router in the backbone area as the source address, no
packet loss occurs.
When you use the ping command with the IPv6 address of the helper router
in the multicast area as the destination address and no source address, a
packet loss of 1–2 seconds sometimes occurs during stateful SRP
switchovers.
When a dynamic GRE tunnel interface for Mobile IP relocates between SM modules
because the original SM reloads, Mobile IP deletes the relocated tunnel interface.
[Defect ID 178399]
Dynamic subscriber interfaces continue to remain in the down or not present
operational state in either of the following scenarios: [Defect ID 81269]
If you configured a dynamic interface column, such as a dynamic bridged
Ethernet interface, dynamic VLAN interface, or an ATM interface, and when any
one of the following conditions is satisfied:
The major interface is bounced (shut down and reenabled)
The major interface is shut down, which cause the dynamic VLAN interfaces
to be removed
The physical link goes down and comes back up
The line module is removed and reinserted
If you configured a static interface column and removed the major interface
These scenarios might occur if you administratively issue the shutdown and no
shutdown commands on the major interface in which the dynamic interface column
is configured.
Work-around: Use the no interface ip ipAddress command to remove the dynamic
subscriber interfaces. Although you can use the dhcp delete-binding command to
remove the DHCP binding and the dynamic subscriber interfaces, the DHCP client
does not detect the binding removal and retains the lease.
Copyright © 2010, Juniper Networks, Inc.
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