Cisco Systems IOS 11.x UDP echo memory leak remote sniffer. The UDP echo service (UDP port 7) has to be enabled on the device. The bug will cause the Cisco router to send about 20 kilobytes of data from the interface buffer pools containing packets in the send/recv/forward queues. This tool will identify IOS memory blocks, find the router specific offset for packets in the block and decode the packet to the screen. Note that this is not a full dump of the traffic through the remote router but rather a subset of received data. Features include a packet checksum cache to prevent repeated output of the same packet, auto identification of packets and buffer offsets, and IPv4 decoding.
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