B,C
Level-1 and Level-2 hello packets are sent independently on a broadcast network, so you need to specify an interval for each level. On a P2P link, Level-1 and Level-2 packets are both sent in P2P hello packets, and you need not specify an interval for each level.
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ak_sisko
3 months, 1 week agoyaronas
7 months, 2 weeks agoeasynet13
7 months, 3 weeks ago[Removed]
7 months, 3 weeks ago