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NE40 Connects the Router of Other Corporations and there is Loss because of the Problem of Leaky Bucket of Protocol Packet

Publication Date:  2012-07-27 Views:  83 Downloads:  0

Issue Description

NE40 connects router of other corporations (Z corporation and C corporation) through CPOS interface, there is great loss when interconnected address of NE40 is pinged on router of other corporations(the packet is larger than 800 BYTES).

Alarm Information

Null

Handling Process

Check dropped amount of leaky bucket with DISPLAY SYSTEM-BUCKET command. It is found that the loss in No. 31 leaky bucket is increasing and the size of leaky bucket channel is 16K. Change the channel as 64K and there is no loss. The problem is solved.

Root Cause

The channle of No. 31 leaky bucket (ICMP packet with destination address as gateway. The typical one is ping.) is too small and there is loss.

Suggestions

Small channel of leaky bucket can better prevent attack. Not change it too large.

END