intend to participate in the MBONE, a high bandwidth network on top
of the Internet which carries audio and video broadcasts. More
information about the MBONE is on the WWW at
- <http://www-itg.lbl.gov/mbone/>. Information about the multicast
+ <http://www.savetz.com/mbone/>. Information about the multicast
capabilities of the various network cards is contained in
<file:Documentation/networking/multicast.txt>. For most people, it's
safe to say N.
asymmetric routing (packets from you to a host take a different path
than packets from that host to you) or if you operate a non-routing
host which has several IP addresses on different interfaces. To turn
- rp_filter off use:
+ rp_filter on use:
- echo 0 > /proc/sys/net/ipv4/conf/<device>/rp_filter
+ echo 1 > /proc/sys/net/ipv4/conf/<device>/rp_filter
or
- echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter
+ echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter
If unsure, say N here.
config IP_FIB_TRIE
bool "FIB_TRIE"
---help---
- Use new experimental LC-trie as FIB lookup algoritm.
+ Use new experimental LC-trie as FIB lookup algorithm.
This improves lookup performance if you have a large
number of routes.
config IP_FIB_HASH
def_bool ASK_IP_FIB_HASH || !IP_ADVANCED_ROUTER
+config IP_FIB_TRIE_STATS
+ bool "FIB TRIE statistics"
+ depends on IP_FIB_TRIE
+ ---help---
+ Keep track of statistics on structure of FIB TRIE table.
+ Useful for testing and measuring TRIE performance.
+
config IP_MULTIPLE_TABLES
bool "IP: policy routing"
depends on IP_ADVANCED_ROUTER
+ select FIB_RULES
---help---
Normally, a router decides what to do with a received packet based
solely on the packet's final destination address. If you say Y here,
If unsure, say N.
-config IP_ROUTE_FWMARK
- bool "IP: use netfilter MARK value as routing key"
- depends on IP_MULTIPLE_TABLES && NETFILTER
- help
- If you say Y here, you will be able to specify different routes for
- packets with different mark values (see iptables(8), MARK target).
-
config IP_ROUTE_MULTIPATH
bool "IP: equal cost multipath"
depends on IP_ADVANCED_ROUTER
equal "cost" and chooses one of them in a non-deterministic fashion
if a matching packet arrives.
-config IP_ROUTE_MULTIPATH_CACHED
- bool "IP: equal cost multipath with caching support (EXPERIMENTAL)"
- depends on IP_ROUTE_MULTIPATH
- help
- Normally, equal cost multipath routing is not supported by the
- routing cache. If you say Y here, alternative routes are cached
- and on cache lookup a route is chosen in a configurable fashion.
-
- If unsure, say N.
-
-config IP_ROUTE_MULTIPATH_RR
- tristate "MULTIPATH: round robin algorithm"
- depends on IP_ROUTE_MULTIPATH_CACHED
- help
- Mulitpath routes are chosen according to Round Robin
-
-config IP_ROUTE_MULTIPATH_RANDOM
- tristate "MULTIPATH: random algorithm"
- depends on IP_ROUTE_MULTIPATH_CACHED
- help
- Multipath routes are chosen in a random fashion. Actually,
- there is no weight for a route. The advantage of this policy
- is that it is implemented stateless and therefore introduces only
- a very small delay.
-
-config IP_ROUTE_MULTIPATH_WRANDOM
- tristate "MULTIPATH: weighted random algorithm"
- depends on IP_ROUTE_MULTIPATH_CACHED
- help
- Multipath routes are chosen in a weighted random fashion.
- The per route weights are the weights visible via ip route 2. As the
- corresponding state management introduces some overhead routing delay
- is increased.
-
-config IP_ROUTE_MULTIPATH_DRR
- tristate "MULTIPATH: interface round robin algorithm"
- depends on IP_ROUTE_MULTIPATH_CACHED
- help
- Connections are distributed in a round robin fashion over the
- available interfaces. This policy makes sense if the connections
- should be primarily distributed on interfaces and not on routes.
-
config IP_ROUTE_VERBOSE
bool "IP: verbose route monitoring"
depends on IP_ADVANCED_ROUTER
If unsure, say Y. Note that if you want to use DHCP, a DHCP server
must be operating on your network. Read
- <file:Documentation/nfsroot.txt> for details.
+ <file:Documentation/filesystems/nfsroot.txt> for details.
config IP_PNP_BOOTP
bool "IP: BOOTP support"
does BOOTP itself, providing all necessary information on the kernel
command line, you can say N here. If unsure, say Y. Note that if you
want to use BOOTP, a BOOTP server must be operating on your network.
- Read <file:Documentation/nfsroot.txt> for details.
+ Read <file:Documentation/filesystems/nfsroot.txt> for details.
config IP_PNP_RARP
bool "IP: RARP support"
discovered automatically at boot time using the RARP protocol (an
older protocol which is being obsoleted by BOOTP and DHCP), say Y
here. Note that if you want to use RARP, a RARP server must be
- operating on your network. Read <file:Documentation/nfsroot.txt> for
- details.
+ operating on your network. Read
+ <file:Documentation/filesystems/nfsroot.txt> for details.
# not yet ready..
# bool ' IP: ARP support' CONFIG_IP_PNP_ARP
tristate "IP: ESP transformation"
select XFRM
select CRYPTO
+ select CRYPTO_AUTHENC
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_CBC
config INET_IPCOMP
tristate "IP: IPComp transformation"
- select XFRM
select INET_XFRM_TUNNEL
- select CRYPTO
- select CRYPTO_DEFLATE
+ select XFRM_IPCOMP
---help---
Support for IP Payload Compression Protocol (IPComp) (RFC3173),
typically needed for IPsec.
If unsure, say Y.
+config INET_XFRM_MODE_BEET
+ tristate "IP: IPsec BEET mode"
+ default y
+ select XFRM
+ ---help---
+ Support for IPsec BEET mode.
+
+ If unsure, say Y.
+
+config INET_LRO
+ tristate "Large Receive Offload (ipv4/tcp)"
+
+ ---help---
+ Support for Large Receive Offload (ipv4/tcp).
+
+ If unsure, say Y.
+
config INET_DIAG
tristate "INET: socket monitoring interface"
default y
---help---
Support for INET (TCP, DCCP, etc) socket monitoring interface used by
native Linux tools such as ss. ss is included in iproute2, currently
- downloadable at <http://developer.osdl.org/dev/iproute2>.
+ downloadable at <http://linux-net.osdl.org/index.php/Iproute2>.
If unsure, say Y.
depends on INET_DIAG
def_tristate INET_DIAG
-config TCP_CONG_ADVANCED
+menuconfig TCP_CONG_ADVANCED
bool "TCP: advanced congestion control"
---help---
Support for selection of various TCP congestion control
modules.
Nearly all users can safely say no here, and a safe default
- selection will be made (BIC-TCP with new Reno as a fallback).
+ selection will be made (CUBIC with new Reno as a fallback).
If unsure, say N.
-# TCP Reno is builtin (required as fallback)
-menu "TCP congestion control"
- depends on TCP_CONG_ADVANCED
+if TCP_CONG_ADVANCED
config TCP_CONG_BIC
tristate "Binary Increase Congestion (BIC) control"
- default y
+ default m
---help---
BIC-TCP is a sender-side only change that ensures a linear RTT
fairness under large windows while offering both scalability and
config TCP_CONG_CUBIC
tristate "CUBIC TCP"
- default m
+ default y
---help---
This is version 2.0 of BIC-TCP which uses a cubic growth function
among other techniques.
---help---
TCP-Hybla is a sender-side only change that eliminates penalization of
long-RTT, large-bandwidth connections, like when satellite legs are
- involved, expecially when sharing a common bottleneck with normal
+ involved, especially when sharing a common bottleneck with normal
terrestrial connections.
config TCP_CONG_VEGAS
Scalable TCP is a sender-side only change to TCP which uses a
MIMD congestion control algorithm which has some nice scaling
properties, though is known to have fairness issues.
- See http://www-lce.eng.cam.ac.uk/~ctk21/scalable/
+ See http://www.deneholme.net/tom/scalable/
config TCP_CONG_LP
tristate "TCP Low Priority"
default n
---help---
TCP Low Priority (TCP-LP), a distributed algorithm whose goal is
- to utiliza only the excess network bandwidth as compared to the
+ to utilize only the excess network bandwidth as compared to the
``fair share`` of bandwidth as targeted by TCP.
See http://www-ece.rice.edu/networks/TCP-LP/
loss packets.
See http://www.ntu.edu.sg/home5/ZHOU0022/papers/CPFu03a.pdf
-endmenu
+config TCP_CONG_YEAH
+ tristate "YeAH TCP"
+ depends on EXPERIMENTAL
+ select TCP_CONG_VEGAS
+ default n
+ ---help---
+ YeAH-TCP is a sender-side high-speed enabled TCP congestion control
+ algorithm, which uses a mixed loss/delay approach to compute the
+ congestion window. It's design goals target high efficiency,
+ internal, RTT and Reno fairness, resilience to link loss while
+ keeping network elements load as low as possible.
+
+ For further details look here:
+ http://wil.cs.caltech.edu/pfldnet2007/paper/YeAH_TCP.pdf
-config TCP_CONG_BIC
+config TCP_CONG_ILLINOIS
+ tristate "TCP Illinois"
+ depends on EXPERIMENTAL
+ default n
+ ---help---
+ TCP-Illinois is a sender-side modification of TCP Reno for
+ high speed long delay links. It uses round-trip-time to
+ adjust the alpha and beta parameters to achieve a higher average
+ throughput and maintain fairness.
+
+ For further details see:
+ http://www.ews.uiuc.edu/~shaoliu/tcpillinois/index.html
+
+choice
+ prompt "Default TCP congestion control"
+ default DEFAULT_CUBIC
+ help
+ Select the TCP congestion control that will be used by default
+ for all connections.
+
+ config DEFAULT_BIC
+ bool "Bic" if TCP_CONG_BIC=y
+
+ config DEFAULT_CUBIC
+ bool "Cubic" if TCP_CONG_CUBIC=y
+
+ config DEFAULT_HTCP
+ bool "Htcp" if TCP_CONG_HTCP=y
+
+ config DEFAULT_VEGAS
+ bool "Vegas" if TCP_CONG_VEGAS=y
+
+ config DEFAULT_WESTWOOD
+ bool "Westwood" if TCP_CONG_WESTWOOD=y
+
+ config DEFAULT_RENO
+ bool "Reno"
+
+endchoice
+
+endif
+
+config TCP_CONG_CUBIC
tristate
depends on !TCP_CONG_ADVANCED
default y
-source "net/ipv4/ipvs/Kconfig"
+config DEFAULT_TCP_CONG
+ string
+ default "bic" if DEFAULT_BIC
+ default "cubic" if DEFAULT_CUBIC
+ default "htcp" if DEFAULT_HTCP
+ default "vegas" if DEFAULT_VEGAS
+ default "westwood" if DEFAULT_WESTWOOD
+ default "reno" if DEFAULT_RENO
+ default "cubic"
+
+config TCP_MD5SIG
+ bool "TCP: MD5 Signature Option support (RFC2385) (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ select CRYPTO
+ select CRYPTO_MD5
+ ---help---
+ RFC2385 specifies a method of giving MD5 protection to TCP sessions.
+ Its main (only?) use is to protect BGP sessions between core routers
+ on the Internet.
+
+ If unsure, say N.