问题：

[多选] Which two statements about an interface configured with the asr-group command are correct?（）

A . The FWSM supports up to 16 asymmetric routing groups.
B . If a matching packet is not found, the packet is dropped.
C . Asymetric routing of return traffic is enabled.
D . If a matching packet is found, the Layer 3 header is rewritten.
E . If a matching packet is found, the Layer 3 header is rewritten and the packet is forwarded to the default gateway.