TCP/IP Tunable Parameters (Oracle Solaris 11 and 11.1)

`[tcp,sctp,udp]_smallest_anon_port` and `[tcp,sctp,udp]_largest_anon_port`

These parameters are newly documented in the Oracle Solaris 11 release.

`_local_slow_start_initial`

This parameter is newly documented in the Oracle Solaris 11.1 release. For more information, see _local_slow_start_initial.

IP Parameter Name Changes (Oracle Solaris 11)

The following IP parameters have been renamed to IP properties.

You can set an IP property by using syntax similar to the following:

# ipadm set-prop -p _icmp_err_interval=100 ip

You can display IP property information by using syntax similar to the following:

# ipadm show-prop -p _icmp_err_interval ip
PROTO PROPERTY              PERM CURRENT      PERSISTENT   DEFAULT      POSSIBLE
ip    _icmp_err_interval    rw   100          100          100          0-99999

Table A-1 IP Parameter Name Changes

Previous IP Parameter Name	IP Property Name
`ip_addrs_per_if`	`_addrs_per_if`
`ip_forwarding`	`forwarding (IPv4)`
`ip6_forwarding`	`forwarding (IPv6)`
`ip_forward_src_routed`	`_forward_src_routed (IPv4)`
`ip6_forward_src_routed`	`_forward_src_routed (IPv6)`
`ip_icmp_err_interval`	`_icmp_err_interval`
`ip_icmp_err_burst`	`_icmp_err_burst`
`ip_icmp_return_data_bytes`	`_icmp_return_data_bytes` (IPv4)
`ip6_icmp_return_data_bytes`	`_icmp_return_data_bytes` (IPv6)
`ip_ire_pathmtu_interval`	`_pathmtu_interval`
`ip_respond_to_echo_broadcast`	`_respond_to_echo_broadcast (IPv4)`
`ip6_respond_to_echo_broadcast`	`_respond_to_echo_broadcast (IPv6)`
`ip_respond_to_echo_multicast`	`_respond_to_echo_multicast (IPv4)`
`ip6_respond_to_echo_multicast`	`_respond_to_echo_multicast (IPv6)`
`ip_send_redirects`	`_send_redirects (IPv4)`
`ip6_send_redirects`	`_send_redirects (IPv6)`
`ip_strict_dst_multihoming`	`hostmodel`

TCP Parameter Name Changes (Oracle Solaris 11)

The following TCP parameters have been renamed to TCP properties.

You can set a TCP property by using syntax similar to the following:

# ipadm set-prop -p _deferred_ack_interval=100 tcp

You can display TCP property information by using syntax similar to the following:

# ipadm show-prop -p _deferred_ack_interval tcp
PROTO PROPERTY              PERM CURRENT      PERSISTENT   DEFAULT      POSSIBLE
tcp   _deferred_ack_interval rw  100          --           100          1-60000

Table A-2 TCP Parameter Name Changes

Previous TCP Parameter Name	TCP Property Name
`tcp_deferred_ack_interval`	`_deferred_ack_interval`
`tcp_local_dack_interval`	`_local_dack_interval`
`tcp_deferred_acks_max`	`_deferred_acks_max`
`tcp_local_dacks_max`	`_local_dacks_max`
`tcp_wscale_always`	`_wscale_always`
`tcp_tstamp_always`	`_tstamp_always`
`tcp_xmit_hiwat`	`send_buf`
`tcp_recv_hiwat`	`recv_buf`
`tcp_max_buf`	`max_buf`
`tcp_cwnd_max`	`_cwnd_max`
`tcp_slow_start_initial`	`_slow_start_initial`
`tcp_slow_start_after_idle`	`_slow_start_after_idle`
`tcp_sack_permitted`	`sack`
`tcp_rev_src_routes`	`_rev_src_routes`
`tcp_time_wait_interval`	`_time_wait_interval`
`tcp_ecn_permitted`	`ecn`
`tcp_conn_req_max_q`	`_conn_req_max_q`
`tcp_conn_req_max_q0`	`_conn_req_max_q0`
`tcp_conn_req_min`	`_conn_req_min`
`tcp_rst_sent_rate_enabled`	`_rst_sent_rate_enabled`
`tcp_rst_sent_rate`	`_rst_sent_rate`
`tcp_keepalive_interval`	`_keepalive_interval`
`tcp_ip_abort_interval`	`_ip_abort_interval`
`tcp_rexmit_interval_initial`	`_rexmit_interval_initial`
`tcp_rexmit_interval_max`	`_rexmit_interval_max`
`tcp_rexmit_interval_min`	`_rexmit_interval_min`
`tcp_rexmit_interval_extra`	`_rexmit_interval_extra`
`tcp_tstamp_if_wscale`	`_tstamp_if_wscale`
`tcp_recv_hiwat_minmss`	`_recv_hiwat_minmss`

UDP Parameter Name Changes (Oracle Solaris 11)

The following UDP parameters have been renamed to UDP properties.

You can set a UDP property by using syntax similar to the following:

# ipadm set-prop -p send_buf=57344 udp

You can display UDP property information by using syntax similar to the following:

# ipadm show-prop -p send_buf udp
PROTO PROPERTY              PERM CURRENT      PERSISTENT   DEFAULT      POSSIBLE
udp   send_buf              rw   57344        57344        57344        1024-2097152

Table A-3 UDP Parameter Name Changes

Previous UDP Parameter Name	UDP Property Name
`udp_max_buf`	`max_buf`
`udp_xmit_hiwat`	`send_buf`
`udp_recv_hiwat`	`recv_buf`

SCTP Parameter Name Changes (Oracle Solaris 11)

The following SCTP parameters have been renamed to SCTP properties.

You can set an SCTP property by using syntax similar to the following:

# ipadm set-prop -p _max_init_retr=8 sctp

You can display SCTP property information by using syntax similar to the following:

# ipadm show-prop -p _max_init_retr sctp
PROTO PROPERTY              PERM CURRENT      PERSISTENT   DEFAULT      POSSIBLE
sctp  _max_init_retr        rw   8            8            8            0-128

Table A-4 SCTP Parameter Name Changes

Previous SCTP Parameter Name	SCTP Property Name
`sctp_max_init_retr`	`_max_init_retr`
`sctp_pa_max_retr`	`_pa_max_retr`
`sctp_pp_max_retr`	`_pp_max_retr`
`sctp_cwnd_max`	`_cwnd_max`
`sctp_ipv4_ttl`	`_ipv4_ttl`
`sctp_heartbeat_interval`	`_heartbeat_interval`
`sctp_new_secret_interval`	`_new_secret_interval`
`sctp_initial_mtu`	`_initial_mtu`
`sctp_deferred_ack_interval`	`_deferred_ack_interval`
`sctp_ignore_path_mtu`	`_ignore_path_mtu`
`sctp_initial_ssthresh`	`_initial_ssthresh`
`sctp_ipv6_hoplimit`	`_ipv6_hoplimit`
`sctp_xmit_lowat`	`_xmit_lowat`
`sctp_xmit_hiwat`	`send_buf`
`sctp_recv_hiwat`	`recv_buf`
`sctp_max_buf`	`max_buf`
`sctp_rto_min`	`_rto_min`
`sctp_rto_max`	`_rto_max`
`sctp_rto_initial`	`_rto_initial`
`sctp_cookie_life`	`_cookie_life`
`sctp_max_in_streams`	`_max_in_streams`
`sctp_initial_out_streams`	`_initial_out_streams`
`sctp_shutack_wait_bound`	`_shutack_wait_bound`
`sctp_maxburst`	`_maxburst`
`sctp_addip_enabled`	`_addip_enabled`
`sctp_prsctp_enabled`	`_prsctp_enabled`

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	Oracle Solaris 11.1 Tunable Parameters Reference Manual Oracle Solaris 11.1 Information Library