How to configure Network Parameters using sysfs

[bandeg]

Hello:

How can I find a description of the network settings listed in sysfs.
(i.e., /proc/sys/net ).

I would like to configure the network parameters using sysfs.
For instance, how can I set the advertised link speeds using sysfs. Is this even possible? {I don't have ethtool onboard}

Regards,

--b

[scathefire]

Not sure you can. Pretty sure that info is available in dmesg though:

e.g.

dmesg | grep eth1

[bandeg]

Let me clarify.
Here is a list of the settings I am trying to understand.
Where can I find these described?
In particular, can we adjust link settings using these?

B

iCVR-00003F# du -a /proc/sys/net/
0       /proc/sys/net/core/somaxconn
0       /proc/sys/net/core/wmem_max
0       /proc/sys/net/core/rmem_max
0       /proc/sys/net/core/wmem_default
0       /proc/sys/net/core/rmem_default
0       /proc/sys/net/core/dev_weight
0       /proc/sys/net/core/netdev_max_backlog
0       /proc/sys/net/core/message_cost
0       /proc/sys/net/core/message_burst
0       /proc/sys/net/core/optmem_max
0       /proc/sys/net/core/netdev_budget
0       /proc/sys/net/core/warnings
0       /proc/sys/net/core
0       /proc/sys/net/ipv4/route/gc_thresh
0       /proc/sys/net/ipv4/route/max_size
0       /proc/sys/net/ipv4/route/gc_min_interval
0       /proc/sys/net/ipv4/route/gc_min_interval_ms
0       /proc/sys/net/ipv4/route/gc_timeout
0       /proc/sys/net/ipv4/route/gc_interval
0       /proc/sys/net/ipv4/route/redirect_load
0       /proc/sys/net/ipv4/route/redirect_number
0       /proc/sys/net/ipv4/route/redirect_silence
0       /proc/sys/net/ipv4/route/error_cost
0       /proc/sys/net/ipv4/route/error_burst
0       /proc/sys/net/ipv4/route/gc_elasticity
0       /proc/sys/net/ipv4/route/mtu_expires
0       /proc/sys/net/ipv4/route/min_pmtu
0       /proc/sys/net/ipv4/route/min_adv_mss
0       /proc/sys/net/ipv4/route/secret_interval
0       /proc/sys/net/ipv4/route/flush
0       /proc/sys/net/ipv4/route
0       /proc/sys/net/ipv4/neigh/default/mcast_solicit
0       /proc/sys/net/ipv4/neigh/default/ucast_solicit
0       /proc/sys/net/ipv4/neigh/default/app_solicit
0       /proc/sys/net/ipv4/neigh/default/retrans_time
0       /proc/sys/net/ipv4/neigh/default/base_reachable_time
0       /proc/sys/net/ipv4/neigh/default/delay_first_probe_time
0       /proc/sys/net/ipv4/neigh/default/gc_stale_time
0       /proc/sys/net/ipv4/neigh/default/unres_qlen
0       /proc/sys/net/ipv4/neigh/default/proxy_qlen
0       /proc/sys/net/ipv4/neigh/default/anycast_delay
0       /proc/sys/net/ipv4/neigh/default/proxy_delay
0       /proc/sys/net/ipv4/neigh/default/locktime
0       /proc/sys/net/ipv4/neigh/default/retrans_time_ms
0       /proc/sys/net/ipv4/neigh/default/base_reachable_time_ms
0       /proc/sys/net/ipv4/neigh/default/gc_interval
0       /proc/sys/net/ipv4/neigh/default/gc_thresh1
0       /proc/sys/net/ipv4/neigh/default/gc_thresh2
0       /proc/sys/net/ipv4/neigh/default/gc_thresh3
0       /proc/sys/net/ipv4/neigh/default
0       /proc/sys/net/ipv4/neigh/lo/mcast_solicit
0       /proc/sys/net/ipv4/neigh/lo/ucast_solicit
0       /proc/sys/net/ipv4/neigh/lo/app_solicit
0       /proc/sys/net/ipv4/neigh/lo/retrans_time
0       /proc/sys/net/ipv4/neigh/lo/base_reachable_time
0       /proc/sys/net/ipv4/neigh/lo/delay_first_probe_time
0       /proc/sys/net/ipv4/neigh/lo/gc_stale_time
0       /proc/sys/net/ipv4/neigh/lo/unres_qlen
0       /proc/sys/net/ipv4/neigh/lo/proxy_qlen
0       /proc/sys/net/ipv4/neigh/lo/anycast_delay
0       /proc/sys/net/ipv4/neigh/lo/proxy_delay
0       /proc/sys/net/ipv4/neigh/lo/locktime
0       /proc/sys/net/ipv4/neigh/lo/retrans_time_ms
0       /proc/sys/net/ipv4/neigh/lo/base_reachable_time_ms
0       /proc/sys/net/ipv4/neigh/lo
0       /proc/sys/net/ipv4/neigh/eth0/mcast_solicit
0       /proc/sys/net/ipv4/neigh/eth0/ucast_solicit
0       /proc/sys/net/ipv4/neigh/eth0/app_solicit
0       /proc/sys/net/ipv4/neigh/eth0/retrans_time
0       /proc/sys/net/ipv4/neigh/eth0/base_reachable_time
0       /proc/sys/net/ipv4/neigh/eth0/delay_first_probe_time
0       /proc/sys/net/ipv4/neigh/eth0/gc_stale_time
0       /proc/sys/net/ipv4/neigh/eth0/unres_qlen
0       /proc/sys/net/ipv4/neigh/eth0/proxy_qlen
0       /proc/sys/net/ipv4/neigh/eth0/anycast_delay
0       /proc/sys/net/ipv4/neigh/eth0/proxy_delay
0       /proc/sys/net/ipv4/neigh/eth0/locktime
0       /proc/sys/net/ipv4/neigh/eth0/retrans_time_ms
0       /proc/sys/net/ipv4/neigh/eth0/base_reachable_time_ms
0       /proc/sys/net/ipv4/neigh/eth0
0       /proc/sys/net/ipv4/neigh
0       /proc/sys/net/ipv4/tcp_timestamps
0       /proc/sys/net/ipv4/tcp_window_scaling
0       /proc/sys/net/ipv4/tcp_sack
0       /proc/sys/net/ipv4/tcp_retrans_collapse
0       /proc/sys/net/ipv4/ip_default_ttl
0       /proc/sys/net/ipv4/ip_no_pmtu_disc
0       /proc/sys/net/ipv4/ip_nonlocal_bind
0       /proc/sys/net/ipv4/tcp_syn_retries
0       /proc/sys/net/ipv4/tcp_synack_retries
0       /proc/sys/net/ipv4/tcp_max_orphans
0       /proc/sys/net/ipv4/tcp_max_tw_buckets
0       /proc/sys/net/ipv4/ip_dynaddr
0       /proc/sys/net/ipv4/tcp_keepalive_time
0       /proc/sys/net/ipv4/tcp_keepalive_probes
0       /proc/sys/net/ipv4/tcp_keepalive_intvl
0       /proc/sys/net/ipv4/tcp_retries1
0       /proc/sys/net/ipv4/tcp_retries2
0       /proc/sys/net/ipv4/tcp_fin_timeout
0       /proc/sys/net/ipv4/tcp_syncookies
0       /proc/sys/net/ipv4/tcp_tw_recycle
0       /proc/sys/net/ipv4/tcp_abort_on_overflow
0       /proc/sys/net/ipv4/tcp_stdurg
0       /proc/sys/net/ipv4/tcp_rfc1337
0       /proc/sys/net/ipv4/tcp_max_syn_backlog
0       /proc/sys/net/ipv4/ip_local_port_range
0       /proc/sys/net/ipv4/igmp_max_memberships
0       /proc/sys/net/ipv4/igmp_max_msf
0       /proc/sys/net/ipv4/inet_peer_threshold
0       /proc/sys/net/ipv4/inet_peer_minttl
0       /proc/sys/net/ipv4/inet_peer_maxttl
0       /proc/sys/net/ipv4/inet_peer_gc_mintime
0       /proc/sys/net/ipv4/inet_peer_gc_maxtime
0       /proc/sys/net/ipv4/tcp_orphan_retries
0       /proc/sys/net/ipv4/tcp_fack
0       /proc/sys/net/ipv4/tcp_reordering
0       /proc/sys/net/ipv4/tcp_ecn
0       /proc/sys/net/ipv4/tcp_dsack
0       /proc/sys/net/ipv4/tcp_mem
0       /proc/sys/net/ipv4/tcp_wmem
0       /proc/sys/net/ipv4/tcp_rmem
0       /proc/sys/net/ipv4/tcp_app_win
0       /proc/sys/net/ipv4/tcp_adv_win_scale
0       /proc/sys/net/ipv4/tcp_tw_reuse
0       /proc/sys/net/ipv4/tcp_frto
0       /proc/sys/net/ipv4/tcp_frto_response
0       /proc/sys/net/ipv4/tcp_low_latency
0       /proc/sys/net/ipv4/tcp_no_metrics_save
0       /proc/sys/net/ipv4/tcp_moderate_rcvbuf
0       /proc/sys/net/ipv4/tcp_tso_win_divisor
0       /proc/sys/net/ipv4/tcp_congestion_control
0       /proc/sys/net/ipv4/tcp_abc
0       /proc/sys/net/ipv4/tcp_mtu_probing
0       /proc/sys/net/ipv4/tcp_base_mss
0       /proc/sys/net/ipv4/tcp_workaround_signed_windows
0       /proc/sys/net/ipv4/tcp_dma_copybreak
0       /proc/sys/net/ipv4/tcp_slow_start_after_idle
0       /proc/sys/net/ipv4/tcp_available_congestion_control
0       /proc/sys/net/ipv4/tcp_allowed_congestion_control
0       /proc/sys/net/ipv4/tcp_max_ssthresh
0       /proc/sys/net/ipv4/udp_mem
0       /proc/sys/net/ipv4/udp_rmem_min
0       /proc/sys/net/ipv4/udp_wmem_min
0       /proc/sys/net/ipv4/conf/all/forwarding
0       /proc/sys/net/ipv4/conf/all/mc_forwarding
0       /proc/sys/net/ipv4/conf/all/accept_redirects
0       /proc/sys/net/ipv4/conf/all/secure_redirects
0       /proc/sys/net/ipv4/conf/all/shared_media
0       /proc/sys/net/ipv4/conf/all/rp_filter
0       /proc/sys/net/ipv4/conf/all/send_redirects
0       /proc/sys/net/ipv4/conf/all/accept_source_route
0       /proc/sys/net/ipv4/conf/all/proxy_arp
0       /proc/sys/net/ipv4/conf/all/medium_id
0       /proc/sys/net/ipv4/conf/all/bootp_relay
0       /proc/sys/net/ipv4/conf/all/log_martians
0       /proc/sys/net/ipv4/conf/all/tag
0       /proc/sys/net/ipv4/conf/all/arp_filter
0       /proc/sys/net/ipv4/conf/all/arp_announce
0       /proc/sys/net/ipv4/conf/all/arp_ignore
0       /proc/sys/net/ipv4/conf/all/arp_accept
0       /proc/sys/net/ipv4/conf/all/disable_xfrm
0       /proc/sys/net/ipv4/conf/all/disable_policy
0       /proc/sys/net/ipv4/conf/all/force_igmp_version
0       /proc/sys/net/ipv4/conf/all/promote_secondaries
0       /proc/sys/net/ipv4/conf/all
0       /proc/sys/net/ipv4/conf/default/forwarding
0       /proc/sys/net/ipv4/conf/default/mc_forwarding
0       /proc/sys/net/ipv4/conf/default/accept_redirects
0       /proc/sys/net/ipv4/conf/default/secure_redirects
0       /proc/sys/net/ipv4/conf/default/shared_media
0       /proc/sys/net/ipv4/conf/default/rp_filter
0       /proc/sys/net/ipv4/conf/default/send_redirects
0       /proc/sys/net/ipv4/conf/default/accept_source_route
0       /proc/sys/net/ipv4/conf/default/proxy_arp
0       /proc/sys/net/ipv4/conf/default/medium_id
0       /proc/sys/net/ipv4/conf/default/bootp_relay
0       /proc/sys/net/ipv4/conf/default/log_martians
0       /proc/sys/net/ipv4/conf/default/tag
0       /proc/sys/net/ipv4/conf/default/arp_filter
0       /proc/sys/net/ipv4/conf/default/arp_announce
0       /proc/sys/net/ipv4/conf/default/arp_ignore
0       /proc/sys/net/ipv4/conf/default/arp_accept
0       /proc/sys/net/ipv4/conf/default/disable_xfrm
0       /proc/sys/net/ipv4/conf/default/disable_policy
0       /proc/sys/net/ipv4/conf/default/force_igmp_version
0       /proc/sys/net/ipv4/conf/default/promote_secondaries
0       /proc/sys/net/ipv4/conf/default
0       /proc/sys/net/ipv4/conf/lo/forwarding
0       /proc/sys/net/ipv4/conf/lo/mc_forwarding
0       /proc/sys/net/ipv4/conf/lo/accept_redirects
0       /proc/sys/net/ipv4/conf/lo/secure_redirects
0       /proc/sys/net/ipv4/conf/lo/shared_media
0       /proc/sys/net/ipv4/conf/lo/rp_filter
0       /proc/sys/net/ipv4/conf/lo/send_redirects
0       /proc/sys/net/ipv4/conf/lo/accept_source_route
0       /proc/sys/net/ipv4/conf/lo/proxy_arp
0       /proc/sys/net/ipv4/conf/lo/medium_id
0       /proc/sys/net/ipv4/conf/lo/bootp_relay
0       /proc/sys/net/ipv4/conf/lo/log_martians
0       /proc/sys/net/ipv4/conf/lo/tag
0       /proc/sys/net/ipv4/conf/lo/arp_filter
0       /proc/sys/net/ipv4/conf/lo/arp_announce
0       /proc/sys/net/ipv4/conf/lo/arp_ignore
0       /proc/sys/net/ipv4/conf/lo/arp_accept
0       /proc/sys/net/ipv4/conf/lo/disable_xfrm
0       /proc/sys/net/ipv4/conf/lo/disable_policy
0       /proc/sys/net/ipv4/conf/lo/force_igmp_version
0       /proc/sys/net/ipv4/conf/lo/promote_secondaries
0       /proc/sys/net/ipv4/conf/lo
0       /proc/sys/net/ipv4/conf/eth0/forwarding
0       /proc/sys/net/ipv4/conf/eth0/mc_forwarding
0       /proc/sys/net/ipv4/conf/eth0/accept_redirects
0       /proc/sys/net/ipv4/conf/eth0/secure_redirects
0       /proc/sys/net/ipv4/conf/eth0/shared_media
0       /proc/sys/net/ipv4/conf/eth0/rp_filter
0       /proc/sys/net/ipv4/conf/eth0/send_redirects
0       /proc/sys/net/ipv4/conf/eth0/accept_source_route
0       /proc/sys/net/ipv4/conf/eth0/proxy_arp
0       /proc/sys/net/ipv4/conf/eth0/medium_id
0       /proc/sys/net/ipv4/conf/eth0/bootp_relay
0       /proc/sys/net/ipv4/conf/eth0/log_martians
0       /proc/sys/net/ipv4/conf/eth0/tag
0       /proc/sys/net/ipv4/conf/eth0/arp_filter
0       /proc/sys/net/ipv4/conf/eth0/arp_announce
0       /proc/sys/net/ipv4/conf/eth0/arp_ignore
0       /proc/sys/net/ipv4/conf/eth0/arp_accept
0       /proc/sys/net/ipv4/conf/eth0/disable_xfrm
0       /proc/sys/net/ipv4/conf/eth0/disable_policy
0       /proc/sys/net/ipv4/conf/eth0/force_igmp_version
0       /proc/sys/net/ipv4/conf/eth0/promote_secondaries
0       /proc/sys/net/ipv4/conf/eth0
0       /proc/sys/net/ipv4/conf
0       /proc/sys/net/ipv4/ip_forward
0       /proc/sys/net/ipv4/ipfrag_high_thresh
0       /proc/sys/net/ipv4/ipfrag_low_thresh
0       /proc/sys/net/ipv4/ipfrag_time
0       /proc/sys/net/ipv4/icmp_echo_ignore_all
0       /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
0       /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses
0       /proc/sys/net/ipv4/icmp_errors_use_inbound_ifaddr
0       /proc/sys/net/ipv4/icmp_ratelimit
0       /proc/sys/net/ipv4/icmp_ratemask
0       /proc/sys/net/ipv4/rt_cache_rebuild_count
0       /proc/sys/net/ipv4/ipfrag_secret_interval
0       /proc/sys/net/ipv4/ipfrag_max_dist
0       /proc/sys/net/ipv4
0       /proc/sys/net/unix/max_dgram_qlen
0       /proc/sys/net/unix
0       /proc/sys/net

[atreyu]

Have you tried here? Seems to have some of what you are looking for explained.

[bandeg]

Thanks,
that link describes each parameter.
--B