North American Network Operators Group

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RE: ORBS block

  • From: Rubens Kuhl Jr.
  • Date: Thu Dec 16 17:08:32 1999

> access-list 104 deny ip any
> access-list 104 deny ip any

For core routers and other not-access-list-friendly a
#conf t
ip route nul0
ip route nul0

may be a choice. It will, though, generate some SYN-flooding that would have
to be dealed with at some point.

Does someone know if routes to nul0 will make "ip unicast verify
reverse-path" drop packets from those addresses ?

Rubens Kuhl Jr.