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Requirements (cont.)
REQ-10: The TCP binding timeout for NATs and the filter rule timeout for firewalls MUST be greater than 7800 seconds.
REQ-11: A NAT/firewall SHOULD support forwarding fragmented packets (SF).
REQ-12: A NAT/FW MUST support ICMP Destination Unreachable (SU).
REQ-12a: The ICMP timeout SHOULD be greater than 2 seconds.
REQ-13: A NAT/FW SHOULD support forwarding multicast packets (SM).
PPT Version