HP-UX 11i Version 1.6 Release Notes

Networking
Network Transport
Chapter 5
64
Network Transport
Network Transport supports and develops core networking in HP-UX.
Summary of Change
The following ndd tunables are now supported:
•
ip_check_subnet_addr - Controls the subnet portion of a host address.
•
ip_max_bcast_ttl - Controls the TTL for broadcast packets.
The following new ndd tunables are now available:
•
ip_enable_udp_bcastrecv - Controls receiving of broadcast packets by UDP
sockets.
•
ip_ire_gw_probe - Enable dead gateway probes.
•
tcp_cwnd_initial - Initial size of the congestion window as a multiple of the MSS.
•
tcp_deferred_ack_max - Upper limit on the number of bytes of data that can be
received without an ACK.
•
tcp_do_conn_options - Copy IP options into T_CONN_IND messages.
•
tcp_fin_wait_2_timeout - Maximum time a TCP connection spends in
FIN_WAIT_2.
•
tcp_recv_hiwater_max - Upper bound on TCP receive buffer size.
•
tcp_sack_enable - Enable TCP Selective Acknowledgement (RFC 2018).
•
tcp_smoothed_rtt - Alternate method for computing round trip time.
•
tcp_ts_enable - Enable TCP timestamp option.
•
tcp_tw_cleanup_interval - TIME_WAIT time-out expiration checking interval.
•
udp_debug - Enable UDP debug information logging.
•
udp_def_hop_limit - Default upper bound for UDP time to live.
•
udp_recv_hiwater_max - Upper bound on UDP receive buffer size.
•
rawip_recv_hiwater_max - Maximum size of the RAWIP receive buffer.
•
arp_defend_interval - Seconds to wait before initially defending a published entry.
•
arp_redefend_interval - Seconds to wait before defending a published entry.
•
arp_resend_interval - Number milliseconds between arp request retransmissions.
•
ip_ipsec_integer_pads - Sets the type of pads used for block ciphers.
•
ip_ipsec_policy_interval - Sets the interval between attempts to remove unused
Security Policy rules.
•
ip_ipsec_pollist - Display formatted report of IPv4 Security Policies.
•
ip_ipsec_sa_interval - Sets the interval between attempts to remove unused
Security Associations.
•
ip_ipsec_salist - Display formatted report of all IPv4 Security Associations.