前缀列表{ip ip-prefix}的命令格式为 ip ip-prefix ip-prefix-name[index index-number]{permitdeny}ipv4-address mask-length[greater-equal greater-equal-value][less-equal less-equal-value],如果仅指定了greater-equal未指定less-equal,则前缀范围为()
- A[0,greater-equal-value]
- B[mask-length.greater-equal-value]
- C[greater-equal-value,32]
- D无限制