This appendix presents the network-relevant configuration file portions for Linux, OpenBSD, and FreeBSD. It is assumed that you are familiar with how to configure and compile modular kernels on the respective platform. Relevant remarks are offered as comments within the configuration. Be warned that these are not full configurations, just fragments to be incorporated in the labs for this book, and they might differ slightly within minor revisions of your kernel series. Example A-1 presents a Linux configuration for the 2.4.x kernel series, Example A-2 shows an OpenBSD configuration for 3.x, and Example A-3 lists a configuration for the 4.x FreeBSD kernel series.
Example A-1. Linux 2.4.22 Network Kernel Options
# Code maturity-level options
CONFIG_EXPERIMENTAL=y
# Loadable module support
CONFIG_MODULES=y
CONFIG_MODVERSIONS=y
CONFIG_KMOD=y
# Networking options
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_NETLINK_DEV=y
CONFIG_NETFILTER=y
CONFIG_NETFILTER_DEBUG=y
CONFIG_FILTER=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_FWMARK=y
CONFIG_IP_ROUTE_NAT=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_TOS=y
CONFIG_IP_ROUTE_VERBOSE=y
# CONFIG_IP_PNP is not set
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPGRE_BROADCAST=y
CONFIG_IP_MROUTE=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
CONFIG_SYN_COOKIES=y
# IP: Netfilter Configuration
CONFIG_IP_NF_CONNTRACK=m
CONFIG_IP_NF_FTP=m
# CONFIG_IP_NF_AMANDA is not set
# CONFIG_IP_NF_TFTP is not set
CONFIG_IP_NF_IRC=m
CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_LIMIT=m
CONFIG_IP_NF_MATCH_MAC=m
CONFIG_IP_NF_MATCH_PKTTYPE=m
CONFIG_IP_NF_MATCH_MARK=m
CONFIG_IP_NF_MATCH_MULTIPORT=m
CONFIG_IP_NF_MATCH_TOS=m
# CONFIG_IP_NF_MATCH_RECENT is not set
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_DSCP=m
CONFIG_IP_NF_MATCH_AH_ESP=m
CONFIG_IP_NF_MATCH_LENGTH=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_MATCH_TCPMSS=m
CONFIG_IP_NF_MATCH_HELPER=m
CONFIG_IP_NF_MATCH_STATE=m
CONFIG_IP_NF_MATCH_CONNTRACK=m
CONFIG_IP_NF_MATCH_UNCLEAN=m
CONFIG_IP_NF_MATCH_OWNER=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_TARGET_MIRROR=m
CONFIG_IP_NF_NAT=m
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=m
CONFIG_IP_NF_TARGET_REDIRECT=m
# CONFIG_IP_NF_NAT_LOCAL is not set
# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
CONFIG_IP_NF_NAT_IRC=m
CONFIG_IP_NF_NAT_FTP=m
CONFIG_IP_NF_MANGLE=m
CONFIG_IP_NF_TARGET_TOS=m
# CONFIG_IP_NF_TARGET_ECN is not set
# CONFIG_IP_NF_TARGET_DSCP is not set
CONFIG_IP_NF_TARGET_MARK=m
CONFIG_IP_NF_TARGET_LOG=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_IP_NF_TARGET_TCPMSS=m
# CONFIG_IP_NF_ARPTABLES is not set
# CONFIG_IP_NF_COMPAT_IPCHAINS is not set
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
CONFIG_IPV6=m
# IPv6: Netfilter Configuration
CONFIG_IP6_NF_QUEUE=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_LIMIT=m
CONFIG_IP6_NF_MATCH_MAC=m
# CONFIG_IP6_NF_MATCH_RT is not set
# CONFIG_IP6_NF_MATCH_OPTS is not set
# CONFIG_IP6_NF_MATCH_FRAG is not set
# CONFIG_IP6_NF_MATCH_HL is not set
CONFIG_IP6_NF_MATCH_MULTIPORT=m
CONFIG_IP6_NF_MATCH_OWNER=m
CONFIG_IP6_NF_MATCH_MARK=m
# CONFIG_IP6_NF_MATCH_IPV6HEADER is not set
# CONFIG_IP6_NF_MATCH_AHESP is not set
CONFIG_IP6_NF_MATCH_LENGTH=m
CONFIG_IP6_NF_MATCH_EUI64=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_LOG=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_TARGET_MARK=m
# CONFIG_KHTTPD is not set
# CONFIG_ATM is not set
CONFIG_VLAN_8021Q=y
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# AppleTalk devices
# CONFIG_DECNET is not set
CONFIG_BRIDGE=y
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_LLC is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_FASTROUTE is not set
# CONFIG_NET_HW_FLOWCONTROL is not set
# QoS and/or fair queuing
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
CONFIG_NET_SCH_HTB=m
CONFIG_NET_SCH_CSZ=m
CONFIG_NET_SCH_PRIO=m
CONFIG_NET_SCH_RED=m
CONFIG_NET_SCH_SFQ=m
CONFIG_NET_SCH_TEQL=m
CONFIG_NET_SCH_TBF=m
CONFIG_NET_SCH_GRED=m
CONFIG_NET_SCH_DSMARK=m
CONFIG_NET_SCH_INGRESS=m
CONFIG_NET_QOS=y
CONFIG_NET_ESTIMATOR=y
CONFIG_NET_CLS=y
CONFIG_NET_CLS_TCINDEX=m
CONFIG_NET_CLS_ROUTE4=m
CONFIG_NET_CLS_ROUTE=y
CONFIG_NET_CLS_FW=m
CONFIG_NET_CLS_U32=m
CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_POLICE=y
# Network testing
CONFIG_NET_PKTGEN=m
CONFIG_IPSEC=y
# IPSec options (FreeS/WAN)
#
CONFIG_IPSEC_IPIP=y
CONFIG_IPSEC_AH=y
CONFIG_IPSEC_AUTH_HMAC_MD5=y
CONFIG_IPSEC_AUTH_HMAC_SHA1=y
CONFIG_IPSEC_ESP=y
CONFIG_IPSEC_ENC_3DES=y
CONFIG_IPSEC_IPCOMP=y
CONFIG_IPSEC_DEBUG=y
# Network device support
CONFIG_NETDEVICES=y
# ARCnet devices
# CONFIG_ARCNET is not set
CONFIG_DUMMY=m
CONFIG_BONDING=m
CONFIG_EQUALIZER=m
CONFIG_TUN=m
# CONFIG_ETHERTAP is not set
# CONFIG_NET_SB1000 is not set
# Ethernet (10 or 100 Mb)
#
CONFIG_NET_ETHERNET=y
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
CONFIG_NET_VENDOR_3COM=y
# CONFIG_EL1 is not set
# CONFIG_EL2 is not set
# CONFIG_ELPLUS is not set
# CONFIG_EL16 is not set
# CONFIG_EL3 is not set
# CONFIG_3C515 is not set
CONFIG_VORTEX=y
# CONFIG_TYPHOON is not set
# CONFIG_LANCE is not set
# CONFIG_NET_VENDOR_SMC is not set
# CONFIG_NET_VENDOR_RACAL is not set
# CONFIG_AT1700 is not set
# CONFIG_DEPCA is not set
# CONFIG_HP100 is not set
# CONFIG_NET_ISA is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_AC3200 is not set
# CONFIG_APRICOT is not set
# CONFIG_B44 is not set
# CONFIG_CS89x0 is not set
# CONFIG_TULIP is not set
# CONFIG_DE4X5 is not set
# CONFIG_DGRS is not set
# CONFIG_DM9102 is not set
# CONFIG_EEPRO100 is not set
# CONFIG_E100 is not set
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
CONFIG_NE2K_PCI=y
# CONFIG_8139CP is not set
# CONFIG_8139TOO is not set
# CONFIG_SIS900 is not set
# CONFIG_EPIC100 is not set
# CONFIG_SUNDANCE is not set
# CONFIG_TLAN is not set
# CONFIG_VIA_RHINE is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_NET_POCKET is not set
#
# Ethernet (1000 Mb)
#
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
# CONFIG_E1000 is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SK98LIN is not set
# CONFIG_TIGON3 is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
CONFIG_PLIP=m
CONFIG_PPP=m
CONFIG_PPP_MULTILINK=y
CONFIG_PPP_FILTER=y
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPPOE=m
# CONFIG_SLIP is not set
# Wireless LAN (non ham radio)
# CONFIG_NET_RADIO is not set
# Token Ring devices
#
CONFIG_TR=y
CONFIG_IBMTR=m
CONFIG_IBMOL=m
CONFIG_IBMLS=m
CONFIG_3C359=m
CONFIG_TMS380TR=m
CONFIG_TMSPCI=m
CONFIG_TMSISA=m
CONFIG_ABYSS=m
CONFIG_SMCTR=m
# CONFIG_NET_FC is not set
# CONFIG_RCPCI is not set
CONFIG_SHAPER=m
#
# Network File Systems
#
CONFIG_CODA_FS=m
# CONFIG_INTERMEZZO_FS is not set
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
# CONFIG_NFS_DIRECTIO is not set
CONFIG_NFSD=m
CONFIG_NFSD_V3=y
# CONFIG_NFSD_TCP is not set
CONFIG_SUNRPC=m
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_SMB_FS=m
# CONFIG_SMB_NLS_DEFAULT is not set
# CONFIG_NCP_FS is not set
# CONFIG_ZISOFS_FS is not set
# Cryptographic options
#
CONFIG_CRYPTO=y
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_MD4=m
CONFIG_CRYPTO_MD5=m
CONFIG_CRYPTO_SHA1=m
CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_DES=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_AES=m
CONFIG_CRYPTO_DEFLATE=m
CONFIG_CRYPTO_TEST=m
Example A-2. OpenBSD 3.1 Network Kernel Options
#option INSECURE # default to secure
option NTP # hooks supporting the Network Time Protocol
option DIAGNOSTIC # internal consistency checks
option KTRACE # system call tracing, via ktrace(1)
option KMEMSTATS # collect malloc(9) statistics
option PTRACE # ptrace(2) system call
option CRYPTO # cryptographic framework
option SYSVMSG # System V-like message queues
option SYSVSEM # System V-like semaphores
option SYSVSHM # System V-like memory sharing
option UVM_SWAP_ENCRYPT# support encryption of pages going to swap
option LKM # loadable kernel modules
option FFS # UFS
option FFS_SOFTUPDATES # Soft updates
option QUOTA # UFS quotas
option EXT2FS # Second Extended File System
option MFS # memory file system
option XFS # xfs file system
option TCP_SACK # Selective acknowledgements for TCP
option TCP_FACK # Forward acknowledgements for TCP
option TCP_SIGNATURE # TCP MD5 signatures, for BGP routing sessions
option NFSCLIENT # Network File System client
option NFSSERVER # Network File System server
option CD9660 # ISO 9660 + Rock Ridge file system
option MSDOSFS # MS-DOS file system
option FDESC # /dev/fd
option FIFO # FIFOs; Recommended
option KERNFS # /kern
option NULLFS # loopback file system
option PORTAL # dynamically created file system objects
option PROCFS # /proc
option UMAPFS # NULLFS + uid and gid remapping
option GATEWAY # packet forwarding
option INET # IP + ICMP + TCP + UDP
option IPFILTER_DEFAULT_BLOCK
option ALTQ # ALTQ base
option INET6 # IPv6 (needs INET)
option PULLDOWN_TEST # use m_pulldown for IPv6 packet parsing
option IPSEC # IPSec
option IPFILTER # IP packet filter for security
option IPFILTER_LOG # use /dev/ipl to log IPF
option PPP_BSDCOMP # PPP BSD compression
option PPP_DEFLATE
option MROUTING # Multicast router
pseudo-device pf 1 # packet filter
pseudo-device pflog 1 # pf log if
pseudo-device loop 2 # network loopback
pseudo-device bpfilter 8 # packet filter
pseudo-device sl 2 # CSLIP
pseudo-device ppp 2 # PPP
pseudo-device sppp 1 # Sync PPP/HDLC
pseudo-device tun 2 # network tunneling over tty
pseudo-device enc 1 # option IPSec needs the encapsulation interface
pseudo-device bridge 2 # network bridging support
pseudo-device vlan 2 # IEEE 802.1Q VLAN
pseudo-device gre 1 # GRE encapsulation interface
pseudo-device pty 64 # pseudo-terminals
pseudo-device tb 1 # tablet line discipline
pseudo-device vnd 4 # paging to files
pseudo-device ksyms 1 # kernel symbols device
# for IPv6
pseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC 1933)
pseudo-device faith 1 # IPv[46] tcp relay translation i/f
option BOOT_CONFIG # add support for boot –c
options ALTQ_CBQ # class-based queuing
options ALTQ_WFQ # weighted fair queuing
options ALTQ_FIFOQ # FIFO queuing
options ALTQ_RED # random early detection
options ALTQ_FLOWVALVE # flowvalve for RED (needs RED)
options ALTQ_RIO # triple red for diffserv (needs RED)
options ALTQ_LOCALQ # local use
options ALTQ_HFSC # hierarchical fair service curve
options ALTQ_JOBS # joint buffer management and scheduling
options ALTQ_IPSEC # check IPSec in IPv4
options ALTQ_CDNR # diffserv traffic conditioner
options ALTQ_BLUE # blue by wu-chang feng
options ALTQ_PRIQ # priority queue
#options ALTQ_NOPCC # don't use processor-cycle counter
#options ALTQ_DEBUG # for debugging
machine i386 # architecture, used by config; required
option I586_CPU
option I686_CPU
option GPL_MATH_EMULATE # floating point emulation.
option NMBCLUSTERS=8192
option USER_PCICONF # user-space PCI configuration
option XSERVER # diddle with console driver
option APERTURE # in-kernel aperture driver for XFree86
option DUMMY_NOPS # speed hack; recommended
option COMPAT_SVR4 # binary compatibility with SVR4
option COMPAT_IBCS2 # binary compatibility with SCO and ISC
option COMPAT_LINUX # binary compatibility with Linux
option COMPAT_FREEBSD # binary compatibility with FreeBSD
option COMPAT_BSDOS # binary compatibility with BSD/OS
maxusers 32 # estimated number of users
# Networking devices
ne0 at isa? port 0x240 irq 9 # NE[12]000 Ethernet
ne1 at isa? port 0x300 irq 10 # NE[12]000 Ethernet
ne2 at isa? port 0x280 irq 9 # NE[12]000 Ethernet
ne* at isapnp? # NE[12]000 PnP Ethernet
# crypto support
#hifn* at pci? dev ? function ? # Hi/fn 7751 crypto card
#ubsec* at pci? dev ? function ? # Bluesteel Networks 5xxx crypto card
#ises* at pci? dev ? function ? # Pijnenburg PCC-ISES
# mouse & keyboard multiplexor pseudo-devices
pseudo-device wsmux 2
pseudo-device crypto 1
Example A-3. FreeBSD 4.9 Network Kernel Options
machine i386
cpu I686_CPU
ident GENERIC
maxusers 0
options MATH_EMULATE # Support for x87 emulation
options INET # Internetworking
options INET6 # IPv6 communications protocols
options FFS # Berkeley Fast File System
options FFS_ROOT # FFS usable as root device (Keep this!)
options SOFTUPDATES # Enable FFS soft updates support
options UFS_DIRHASH # Improve performance on big directories
options MFS # Memory File System
options MD_ROOT # MD is a potential root device
options NFS # Network File System
options NFS_ROOT # NFS usable as root device, NFS required
options MSDOSFS # MS-DOS File System
options CD9660 # ISO 9660 File System
options CD9660_ROOT # CD-ROM usable as root, CD9660 required
options PROCFS # Process file system
options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options SCSI_DELAY=15000 # Delay (in ms) before probing SCSI
options UCONSOLE # Allow users to grab the console
options USERCONFIG # boot -c editor
options VISUAL_USERCONFIG # visual boot -c editor
options KTRACE # ktrace(1) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options P1003_1B # Posix P1003_1B real-time extensions
options _KPOSIX_PRIORITY_SCHEDULING
options ICMP_BANDLIM # Rate limit bad replies
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options SMBFS # SMB/CIFS file system
options HZ=1000
options SOFTUPDATES # FFS soft Updates
# Directory hashing improves the speed of operations on very large
# directories at the expense of some memory.
options UFS_DIRHASH
# Allow this to swap many devices.
#
# To manage swap, the system must reserve bitmap space that
# scales with the largest mounted swap device multiplied by NSWAPDEV,
# regardless of whether other swap devices exist. So it
# is not a good idea to make this value too large.
options NSWAPDEV=5
# Disk quotas are supported when this option is enabled.
options QUOTA # enable disk quotas
options IPSEC # IP security
options IPSEC_ESP # IP security (crypto; define w/IPSEC)
options IPSEC_DEBUG # debug for IP security
# Set IPSEC_FILTERGIF to force packets coming through a gif tunnel
# to be processed by any configured packet filtering (ipfw, ipf).
# The default is that packets coming from a tunnel are not processed;
# they are assumed trusted.
# Note that enabling this can be problematic as there are no mechanisms
# in place for distinguishing packets coming out of a tunnel (e.g., no
# encX devices as found on OpenBSD).
options IPSEC_FILTERGIF # filter IPSec packets from a tunnel
# Experimental IPSec implementation that uses the kernel crypto
# framework. This cannot be configured together with IPSec and
# (currently) supports only IPv4. To use this, you must also
# configure the crypto device (see below). Note that with this
# you get all the IPSec protocols (e.g., there is no FAST_IPSEC_ESP).
# IPSEC_DEBUG is used, as above, to configure debugging support
# within the IPSec protocols.
# options FAST_IPSEC # new IPsec
options MROUTING # Multicast routing
options PIM # Protocol Independent Multicast
options IPFIREWALL # firewall
options IPFIREWALL_VERBOSE # enable logging to syslogd(8)
options IPFIREWALL_FORWARD # enable transparent proxy support
options IPFIREWALL_VERBOSE_LIMIT=100 # limit verbosity
options IPFIREWALL_DEFAULT_TO_ACCEPT # allow everything by default
options IPV6FIREWALL # firewall for IPv6
options IPV6FIREWALL_VERBOSE
options IPV6FIREWALL_VERBOSE_LIMIT=100
options IPV6FIREWALL_DEFAULT_TO_ACCEPT
options IPDIVERT # divert sockets
options IPFILTER # ipfilter support
options IPFILTER_LOG # ipfilter logging
options IPFILTER_DEFAULT_BLOCK # block all packets by default
options IPSTEALTH # support for stealth forwarding
options TCPDEBUG # TCP-related debugging info
options DUMMYNET
options BRIDGE
options ATM_CORE # core ATM protocol family
options ATM_IP # IP over ATM support
options ATM_SIGPVC # SIGPVC signaling manager
options ATM_SPANS # SPANS signaling manager
options ATM_UNI # UNI signaling manager
device hea # Efficient ENI-155p ATM PCI
device hfa # FORE PCA-200E ATM PCI
device proatm # ProSum's ProATM-155
pseudo-device atm # The ATM pseudo-device
device en # Efficient Networks ATM Driver
options NATM # native ATM
# SMB/CIFS requester
# NETSMB enables support for SMB protocol; it requires LIBMCHAIN and LIBICONV
# options.
# NETSMBCRYPTO enables support for encrypted passwords.
options NETSMB # SMB/CIFS requester
options NETSMBCRYPTO # encrypted password support for SMB
# mchain library. It can be either loaded as KLD or compiled into kernel
options LIBMCHAIN # mbuf management library
options LIBICONV
# netgraph(4). Enable the base Netgraph code with the NETGRAPH option.
# Individual node types can be enabled with the corresponding option
# listed below; however, this is not strictly necessary because Netgraph
# will automatically load the corresponding KLD module if the node type
# is not already compiled into the kernel. Each type below has a
# corresponding man page; e.g., ng_async(8).
options NETGRAPH # netgraph(4) system
options NETGRAPH_ASYNC
options NETGRAPH_BPF
options NETGRAPH_CISCO
options NETGRAPH_ECHO
options NETGRAPH_ETHER
options NETGRAPH_FRAME_RELAY
options NETGRAPH_HOLE
options NETGRAPH_IFACE
options NETGRAPH_KSOCKET
options NETGRAPH_L2TP
options NETGRAPH_LMI
# MPPC compression requires proprietary files (not included)
#options NETGRAPH_MPPC_COMPRESSION
options NETGRAPH_MPPC_ENCRYPTION
options NETGRAPH_ONE2MANY
options NETGRAPH_PPP
options NETGRAPH_PPPOE
options NETGRAPH_PPTPGRE
options NETGRAPH_RFC1490
options NETGRAPH_SOCKET
options NETGRAPH_TEE
options NETGRAPH_TTY
options NETGRAPH_UI
options NETGRAPH_VJC
# Coda stuff:
options CODA # CODA file system.
pseudo-device vcoda 4 # coda minicache <-> venus comm.
# PCI Ethernet NICs that use the common MII bus controller code.
# Note: Be sure to keep the 'device miibus' line in order to use these NICs!
device miibus # MII bus support
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# ISA Ethernet NICs.
# 'device ed' requires 'device miibus'
device ed0 at isa? disable port 0x280 irq 10 iomem 0xd8000
# Pseudo devices - the number indicates how many units to allocate.
pseudo-device loop 3 # Network loopback
pseudo-device ether # Ethernet support
pseudo-device sl 1 # Kernel SLIP
pseudo-device ppp 1 # Kernel PPP
pseudo-device tun 3 # Packet tunnel
pseudo-device pty # Pseudo-ttys (Telnet etc.)
pseudo-device md # Memory "disks"
pseudo-device vlan 3 # VLAN support
pseudo-device token # Generic Token Ring
pseudo-device sppp # Generic Synchronous PPP
pseudo-device bpf # Berkeley packet filter
pseudo-device disc # Discard device (ds0, ds1, etc.)
pseudo-device sl 2 # Serial Line IP
pseudo-device gre 3 # IP over IP tunneling
pseudo-device ppp 2 # Point-to-Point Protocol
options PPP_BSDCOMP # PPP BSD-compress support
options PPP_DEFLATE # PPP zlib/deflate/gzip support
options PPP_FILTER # enable bpf filtering (needs bpf)
# for IPv6
pseudo-device gif # IPv6 and IPv4 tunneling
pseudo-device faith 1 # for IPv6 and IPv4 translation
pseudo-device stf # 6to4 IPv6 over IPv4 encapsulation
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