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Stateful SRP Switchover (High Availability) and IP Tunnels
Subscriber Interfaces
When multiple IPv6 interfaces are configured with policies attached from SRC,
only some of the IPv6 interfaces have the policies attached. [Defect ID 179498]
Changing the SSCC status (enable/disable) while IPv6 interfaces are configured
might cause the SRP to reset. [Defect ID 179537]
A packet loss sometimes occurs during stateful SRP switchover when you use
the ping command on a router that is configured for OSPF graceful restart, and
is connected to a helper router in the OSPF IPv6 broadcast network and
another helper router in the OSPF IPv6 backbone area. [Defect ID 181470]
ERX7xx model, ERX14xx model, or ERX310 router:
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 you issue show commands as soon as the CLI is available after a stateful
SRP switchover, the commands can hang until the warm restart is completed.
[Defect ID 85306]
When you change the demultiplexer type on a primary interface that has 1024
demultiplexer table entries, the ICC ping threshold times out due to the removal
of the old entries and the addition of the new ones. [Defect ID 175029/182218]
Release 10.2.2
Known Problems and Limitations
49
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