如下图所示为L2TPoverIPSec应用场景,下列关于IPSec保护数据流的配置正确的是哪项?()
A.[LNS] acl number 2001 [LNS-acl-basic-2001]rule permit udp source 10.10.1.0 0.0.0.255W B.[LNS] acl number 3001 [LNS acl-adv 3001] rule permit source 10.10.1.0 0.00.255 destination 10.10.2.0 0.0.0.255 C.[LNS] acl number 3001 {LNS -acl-adv-3001] rule permit tcp source-port 1701 D.[LNS] acl number 3001 [LNS -acl-adv 3001] rule permit udp source-port eq 1701