On 04/19/2012 05:00 AM, ujjwal maghaiya wrote:
Could anyone tell to me the possible cases of UNICAST STORM.
One common cause is a host that receives a lot of traffic, but doesn't
send it - e.g. a syslog server.
If the ARP timeout is > FDB timeout, when the FDB timeout expires, the
packets will be flooded as unknown-unicast.
Either:
1. Cause the host to emit traffic
2. Lower the ARP time to < FDB timeout
Similar things can occur in HSRP setups on the standby route/switch.
If you can be a bit more specific about the symptoms you're seeing,
people can probably make better suggestions.
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