13:17:25
|
#route -h
route: illegal option -- h usage: route [-dnqtv] command [[modifiers] args] |
| /l3/users/14-06-2010/nt-lnet/debian4.net.nt/root :1 :2 :3 :4 :5 :6 :7 :8 :9 :10 :11 :12 :13 :14 |
|
|
#route -h
route: illegal option -- h usage: route [-dnqtv] command [[modifiers] args] |
|
#route add -net 192.168.8.0 gw 192.168.16.254
route: bad address: gw |
|
#route add -net 192.168.8.0 192.168.16.254
add net 192.168.8.0: gateway 192.168.16.254 |
|
#route -n
usage: route [-dnqtv] command [[modifiers] args] |
|
#route -n
usage: route [-dnqtv] command [[modifiers] args] |
|
#netstat -rn
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 1924 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.8 192.168.16.254 UGS 0 0 re0 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 136 re0 1122 192.168.16.254 00:07:e9:0c:45:0c UHLW 3 12091 re0 1179 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#5 UHL lo0 ff01:5::/32 fe80::1%lo0 UC lo0 ff02::%lo0/32 fe80::1%lo0 UC lo0 |
|
#netstat -rn -f inet
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 1924 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.8 192.168.16.254 UGS 0 0 re0 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 147 re0 1118 192.168.16.254 00:07:e9:0c:45:0c UHLW 3 12091 re0 1175 |
|
#netstat | less
|
|
#sockstat -4l
USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS root xdm 978 1 tcp46 *:49152 *:* root Xorg 977 3 tcp4 *:6000 *:* root xdm 974 1 tcp46 *:49152 *:* root xdm 974 3 udp46 *:177 *:* root inetd 948 5 tcp4 *:5902 *:* root sendmail 914 4 tcp4 127.0.0.1:25 *:* root sshd 908 3 tcp46 *:22 *:* root sshd 908 4 tcp4 *:22 *:* root syslogd 750 7 udp4 *:514 *:* |
|
#sockstat -4l
|
|
#~
PING 192.168.8.1 (192.168.8.1) 56(84) bytes of data. 64 bytes from 192.168.8.1: icmp_seq=1 ttl=63 time=18.1 ms 64 bytes from 192.168.8.1: icmp_seq=2 ttl=63 time=13.7 ms 64 bytes from 192.168.8.1: icmp_seq=3 ttl=63 time=16.6 ms 64 bytes from 192.168.8.1: icmp_seq=4 ttl=63 time=18.0 ms 64 bytes from 192.168.8.1: icmp_seq=5 ttl=63 time=20.0 ms 64 bytes from 192.168.8.1: icmp_seq=6 ttl=63 time=17.5 ms 64 bytes from 192.168.8.1: icmp_seq=7 ttl=63 time=15.8 ms 64 bytes from 192.168.8.1: icmp_seq=8 ttl=63 time=19.3 ms 64 bytes from 192.168.8.1: icmp_seq=9 ttl=63 time=16.3 ms ... 64 bytes from 192.168.8.1: icmp_seq=310 ttl=63 time=28.3 ms 64 bytes from 192.168.8.1: icmp_seq=311 ttl=63 time=18.7 ms 64 bytes from 192.168.8.1: icmp_seq=312 ttl=63 time=16.0 ms 64 bytes from 192.168.8.1: icmp_seq=313 ttl=63 time=17.6 ms 64 bytes from 192.168.8.1: icmp_seq=314 ttl=63 time=23.9 ms 64 bytes from 192.168.8.1: icmp_seq=315 ttl=63 time=19.4 ms ^C --- 192.168.8.1 ping statistics --- 315 packets transmitted, 301 received, 4% packet loss, time 315407ms rtt min/avg/max/mdev = 12.842/19.246/130.454/8.396 ms |
|
#defaultrouter="19
removable_route_flush="NO" # Flush routes when removing an interface #gif_interfaces="gif0 gif1" # Examples typically for a router. #gifconfig_gif0="10.1.1.1 10.1.2.1" # Examples typically for a router. #gifconfig_gif1="10.1.1.2 10.1.2.2" # Examples typically for a router. defaultrouter="NO" # Set to default gateway (or NO). static_routes="" # Set to static route list (or leave empty). natm_static_routes="" # Set to static route list for NATM (or leave empty). router_enable="NO" # Set to YES to enable a routing daemon. router="/sbin/routed" # Name of routing daemon to use if enabled. router_flags="-q" # Flags for routing daemon. ... #ipv6_router_flags="-q" # If you want to run a routing daemon on an end #ipv6_network_interfaces="ed0 ep0" # Examples for router rtsol_flags="" # Flags to IPv6 router solicitation. rtadvd_enable="NO" # Set to YES to enable an IPv6 router # this router becomes a possible candidate # IPv6 default router for local subnets. mroute6d_enable="NO" # Do IPv6 multicast routing. mroute6d_program="/usr/local/sbin/pim6dd" # Name of IPv6 multicast mroute6d_flags="" # Flags to IPv6 multicast routing daemon. jail_socket_unixiproute_only="YES" # Route only TCP/IP within a jail |
|
#grep route /etc/defaults/rc.conf | less
|
|
#vim /etc/rc.conf
|
|
#~
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 2060 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.8 192.168.16.254 UGS 0 0 re0 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 352 re0 876 192.168.16.254 00:07:e9:0c:45:0c UHLW 3 12102 re0 1154 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#5 UHL lo0 ff01:5::/32 fe80::1%lo0 UC lo0 ff02::%lo0/32 fe80::1%lo0 UC lo0 |
|
#vim /etc/rc.conf
|
|
#route -n
usage: route [-dnqtv] command [[modifiers] args] |
|
#netstat -rn
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 2110 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.8 192.168.16.254 UGS 0 0 re0 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 562 re0 780 192.168.16.254 00:07:e9:0c:45:0c UHLW 3 12103 re0 1193 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#5 UHL lo0 ff01:5::/32 fe80::1%lo0 UC lo0 ff02::%lo0/32 fe80::1%lo0 UC lo0 |
|
#route delete 192.168.8.0 192.168.16.254
delete net 192.168.8.0: gateway 192.168.16.254 |
|
#netstat -rn
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 2129 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 614 re0 750 192.168.16.254 00:07:e9:0c:45:0c UHLW 2 12104 re0 1163 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#5 UHL lo0 ff01:5::/32 fe80::1%lo0 UC lo0 ff02::%lo0/32 fe80::1%lo0 UC lo0 |
|
#/etc/rc.d/routing restart
default 192.168.16.254 done add net default: gateway 192.168.16.254 route: bad address: add Additional routing options:. |
|
#vim /etc/rc.conf
|
|
#netstat -rn
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 9 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 708 re0 726 192.168.16.254 00:07:e9:0c:45:0c UHLW 2 12109 re0 1176 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#5 UHL lo0 ff01:5::/32 fe80::1%lo0 UC lo0 ff02::%lo0/32 fe80::1%lo0 UC lo0 |
|
#/etc/rc.d/routing restart
default 192.168.16.254 done add net default: gateway 192.168.16.254 add net 192.168.8.0: gateway 192.168.16.254 Additional routing options:. |
|
#netstat -rn
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 0 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.8 192.168.16.254 UGS 0 0 re0 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 721 re0 721 192.168.16.254 00:07:e9:0c:45:0c UHLW 3 12110 re0 1171 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#5 UHL lo0 ff01:5::/32 fe80::1%lo0 UC lo0 ff02::%lo0/32 fe80::1%lo0 UC lo0 |
|
#vim /etc/rc.conf
|
|
#vim /etc/rc.conf
|
|
#!stname="fbsd4.net.nt"
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ".vimrc" [New File] 3 lines, 19 characters written |
|
#vim /etc/rc.conf
|
|
#/etc/rc.d/routing restart
default 192.168.16.254 done 192.168.8 192.168.16.254 done add net default: gateway 192.168.16.254 add net 192.168.8.0: gateway 192.168.16.254 add net 192.168.9.0: gateway 192.168.16.254 Additional routing options:. |
|
#netstat -rn
Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.16.254 UGS 0 4 re0 10/24 link#2 UC 0 0 intern 127.0.0.1 127.0.0.1 UH 0 0 lo0 172.16/24 link#2 UC 0 0 intern 192.168.8 192.168.16.254 UGS 0 0 re0 192.168.9 192.168.16.254 UGS 0 0 re0 192.168.16 link#1 UC 0 0 re0 192.168.16.4 00:16:3e:00:00:04 UHLW 1 1041 re0 648 192.168.16.254 00:07:e9:0c:45:0c UHLW 4 12115 re0 1168 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UHL lo0 fe80::%lo0/64 fe80::1%lo0 U lo0 fe80::1%lo0 link#5 UHL lo0 ff01:5::/32 fe80::1%lo0 UC lo0 ff02::%lo0/32 fe80::1%lo0 UC lo0 |
|
#vim /etc/rc.conf
|
|
#:q!
#! sshd_enable="yes" font8x14="cp866-8x14" font8x16="cp866b-8x16" font8x8="cp866-8x8" keymap="ru.koi8-r" keyrate="normal" local_startup="/usr/local/etc/rc.d" mousechar_start="3" moused_enable="YES" ... hostname="fbsdvm.unix.nt" ifconfig_re0="inet 192.168.16.24 netmask 255.255.255.0" ifconfig_re1_name="internet" ifconfig_internet_alias1="inet 10.0.0.2 netmask 255.255.255.0" ifconfig_internet_alias0="inet 172.16.0.1 netmask 255.255.255.0" ifconfig_internet="ether 00:16:4f:00:01:04" hostname="fbsd4.net.nt" static_routes="8_0 9_0" route_8_0="-net 192.168.8.0 192.168.16.254" route_9_0="-net 192.168.9.0 192.168.16.254" |
|
#exit
exit Connection to 192.168.16.24 closed. |
|
#ssh 192.168.16.254
root@192.168.16.254's password: Linux debian 2.6.26-2-xen-686 #1 SMP Tue Mar 9 20:11:42 UTC 2010 i686 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Mon Jun 14 07:10:01 2010 from debian4.net.nt debian:~# sysctl -a | grep forward error: "Success" reading key "dev.parport.parport0.autoprobe" ... 36 # security of the host and prevent against some network attacks 37 # including spoofing attacks and man in the middle attacks through 38 # redirection. Some network environments, however, require that these 40 # 41 # Ignore ICMP broadcasts 39 # settings are disabled so review and enable them as neede41,1 40% 42 #net.ipv4.icmp_echo_ignore_broadcasts = 1 debian:~# exit logout Connection to 192.168.16.254 closed. |
|
#ssh 192.168.16.24
Password:
Last login: Mon Jun 14 14:17:24 2010 from debian4.net.nt
Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 6.3-RELEASE (SMP) #0: Wed Jan 16 04:45:45 UTC 2008
Welcome to FreeBSD!
Before seeking technical support, please use the following resources:
o Security advisories and updated errata information for all releases are
at http://www.FreeBSD.org/releases/ - always consult the ERRATA section
for your release first as it's updated frequently.
...
http://www.FreeBSD.org/search/. If the doc distribution has
been installed, they're also available formatted in /usr/share/doc.
If you still have a question or problem, please take the output of
`uname -a', along with any relevant error messages, and email it
as a question to the questions@FreeBSD.org mailing list. If you are
unfamiliar with FreeBSD's directory layout, please refer to the hier(7)
manual page. If you are not familiar with manual pages, type `man man'.
You may also use sysinstall(8) to re-enter the installation and
configuration utility. Edit /etc/motd to change this login announcement.
l3-agent is already running: pid=13242; pidfile=/root/.lilalo/l3-agent.pid
|
|
#grep gateway_enable /etc/defaults/rc.conf
gateway_enable="NO" # Set to YES if this host will be a gateway. ipxgateway_enable="NO" # Set to YES to enable IPX routing. forward_sourceroute="NO" # do source routing (only if gateway_enable is set to "YES") ipv6_gateway_enable="NO" # Set to YES if this host will be a gateway. |
|
#vim /etc/sysctl.conf
|
|
#~
|
|
#sysctl -a | grep forwarding
net.inet.ip.forwarding: 0 net.inet.ip.fastforwarding: 0 net.inet6.ip6.forwarding: 0 |
|
#sysctl -ad | grep forwarding
net.inet.ip.forwarding: Enable IP forwarding between interfaces net.inet.ip.sourceroute: Enable forwarding source routed IP packets net.inet.ip.fastforwarding: Enable fast IP forwarding net.inet6.ip6.forwarding: |
|
#vim /etc/rc.conf
|
|
#sysctl net.inet.ip.forwarding=1
net.inet.ip.forwarding: 0 -> 1 |
|
#apt-get install evince
Чтение списков пакетов... Готово Построение дерева зависимостей Чтение информации о состоянии... Готово Будут установлены следующие дополнительные пакеты: evince-common gconf2 libcupsimage2 libdjvulibre-text libdjvulibre21 libevince2 libgail18 libgs8 libgtk2.0-0 libjbig2dec0 libkpathsea5 liblcms1 libnautilus-extension1 libopenjpeg2 libpaper-utils libpaper1 libpoppler-glib4 libpoppler5 libspectre1 libt1-5 Предлагаемые пакеты: unrar poppler-data gconf-defaults-service liblcms-utils libspectre1-dbg ... Настраивается пакет libgs8 (8.71~dfsg2-3) ... Настраивается пакет libspectre1 (0.2.5-1) ... Настраивается пакет libt1-5 (5.1.2-3) ... Настраивается пакет libevince2 (2.30.1-3) ... Настраивается пакет libnautilus-extension1 (2.30.1-1) ... Настраивается пакет gconf2 (2.28.1-3) ... Настраивается пакет evince-common (2.30.1-3) ... Настраивается пакет evince (2.30.1-3) ... Настраивается пакет libpaper-utils (1.1.24) ... Обрабатываются триггеры для menu ... |
|
#dmesg
[ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 2.6.26-2-xen-686 (Debian 2.6.26-21lenny4) (dannf@debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian 4.1.2-25)) #1 SMP Tue Mar 9 20:11:42 UTC 2010 [ 0.000000] Reserving virtual address space above 0xf5800000 [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] Xen: 0000000000000000 - 0000000024c00000 (usable) [ 0.000000] 0MB HIGHMEM available. [ 0.000000] 588MB LOWMEM available. [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] Entering add_active_range(0, 0, 150528) 0 entries of 256 used ... [ 1.271301] thermal: Unknown symbol acpi_processor_set_thermal_limit [ 1.537556] kjournald starting. Commit interval 5 seconds [ 1.537571] EXT3-fs: mounted filesystem with ordered data mode. [ 2.682543] udev: starting version 151 [ 3.333493] EXT3 FS on xvda1, internal journal [ 4.428080] fuse init (API version 7.9) [ 5.979762] NET: Registered protocol family 10 [ 5.980045] lo: Disabled Privacy Extensions [ 16.237878] eth0: no IPv6 routers present [ 18.048584] inet: no IPv6 routers present |
|
#ssh 192.168.16.2
The authenticity of host '192.168.16.2 (192.168.16.2)' can't be established. RSA key fingerprint is 39:83:3e:b7:8e:77:bd:45:4f:ce:10:33:df:0a:94:93. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '192.168.16.2' (RSA) to the list of known hosts. root@192.168.16.2's password: Linux debian2 2.6.26-2-xen-686 #1 SMP Tue Mar 9 20:11:42 UTC 2010 i686 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent ... (Чтение базы данных ... на данный момент установлено 54037 файлов и каталогов.) Распаковывается пакет libpcap0.8 (из файла .../libpcap0.8_1.1.1-2_i386.deb)... Выбор ранее не выбранного пакета tcpdump. Распаковывается пакет tcpdump (из файла .../tcpdump_4.1.1-1_i386.deb)... Обрабатываются триггеры для man-db ... Настраивается пакет libpcap0.8 (1.1.1-2) ... Настраивается пакет tcpdump (4.1.1-1) ... root@debian2:~# exit logout Connection to 192.168.16.2 closed. |
|
#ssh 192.168.16.1
root@192.168.16.1's password: Linux debian1 2.6.26-2-xen-686 #1 SMP Tue Mar 9 20:11:42 UTC 2010 i686 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Mon Jun 14 11:14:35 2010 from debian4.net.nt l3-agent is already running: pid=1245; pidfile=/root/.lilalo/l3-agent.pid root@debian1:~# l3script |
|
#ssh 192.168.16.2
root@192.168.16.2's password: Linux debian2 2.6.26-2-xen-686 #1 SMP Tue Mar 9 20:11:42 UTC 2010 i686 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Mon Jun 14 16:07:36 2010 from 192.168.16.1 l3-agent is already running: pid=1385; pidfile=/root/.lilalo/l3-agent.pid root@debian2:~# l3script |
|
#ifconfig eth1
eth1 Link encap:Ethernet HWaddr 00:16:3e:00:01:02
inet addr:192.168.5.2 Bcast:192.168.5.255 Mask:255.255.255.0
inet6 addr: fe80::216:3eff:fe00:102/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10 errors:0 dropped:0 overruns:0 frame:0
TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:660 (660.0 B) TX bytes:972 (972.0 B)
|
|
#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. ^C --- 192.168.5.1 ping statistics --- 5 packets transmitted, 0 received, 100% packet loss, time 3999ms |
|
#ifconfig eth2
eth2 Link encap:Ethernet HWaddr 00:16:3e:00:02:02
inet addr:192.168.4.1 Bcast:192.168.4.255 Mask:255.255.255.0
inet6 addr: fe80::216:3eff:fe00:202/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:11 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:846 (846.0 B) TX bytes:510 (510.0 B)
|
|
#ping 192.168.4.2
PING 192.168.4.2 (192.168.4.2) 56(84) bytes of data. From 192.168.4.1 icmp_seq=1 Destination Host Unreachable From 192.168.4.1 icmp_seq=2 Destination Host Unreachable From 192.168.4.1 icmp_seq=3 Destination Host Unreachable ^C --- 192.168.4.2 ping statistics --- 5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4017ms , pipe 3 |
|
#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. From 192.168.5.2 icmp_seq=1 Destination Host Unreachable From 192.168.5.2 icmp_seq=2 Destination Host Unreachable From 192.168.5.2 icmp_seq=3 Destination Host Unreachable From 192.168.5.2 icmp_seq=5 Destination Host Unreachable From 192.168.5.2 icmp_seq=6 Destination Host Unreachable From 192.168.5.2 icmp_seq=7 Destination Host Unreachable From 192.168.5.2 icmp_seq=9 Destination Host Unreachable From 192.168.5.2 icmp_seq=10 Destination Host Unreachable From 192.168.5.2 icmp_seq=11 Destination Host Unreachable From 192.168.5.2 icmp_seq=13 Destination Host Unreachable From 192.168.5.2 icmp_seq=14 Destination Host Unreachable From 192.168.5.2 icmp_seq=15 Destination Host Unreachable From 192.168.5.2 icmp_seq=17 Destination Host Unreachable From 192.168.5.2 icmp_seq=18 Destination Host Unreachable From 192.168.5.2 icmp_seq=19 Destination Host Unreachable ^C --- 192.168.5.1 ping statistics --- 22 packets transmitted, 0 received, +15 errors, 100% packet loss, time 21033ms , pipe 3 |
|
#ifconfig eth1
eth1 Link encap:Ethernet HWaddr 00:16:3e:00:01:01
inet addr:192.168.5.1 Bcast:192.168.5.255 Mask:255.255.255.0
inet6 addr: fe80::216:3eff:fe00:101/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:16 errors:0 dropped:0 overruns:0 frame:0
TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1128 (1.1 KiB) TX bytes:720 (720.0 B)
|
|
#ping 192.168.5.2
PING 192.168.5.2 (192.168.5.2) 56(84) bytes of data. From 192.168.5.1 icmp_seq=1 Destination Host Unreachable From 192.168.5.1 icmp_seq=2 Destination Host Unreachable From 192.168.5.1 icmp_seq=3 Destination Host Unreachable ^C --- 192.168.5.2 ping statistics --- 5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4017ms , pipe 3 |
|
#exit
exit root@debian1:~# exit logout Connection to 192.168.16.1 closed. |
|
#ifconfig
eth0 Link encap:Ethernet HWaddr 00:16:3e:00:00:02
inet addr:192.168.16.2 Bcast:192.168.16.255 Mask:255.255.255.0
inet6 addr: fe80::216:3eff:fe00:2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:41512 errors:0 dropped:0 overruns:0 frame:0
TX packets:49524 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:14923061 (14.2 MiB) TX bytes:21266283 (20.2 MiB)
eth1 Link encap:Ethernet HWaddr 00:16:3e:00:01:02
inet addr:192.168.5.2 Bcast:192.168.5.255 Mask:255.255.255.0
...
collisions:0 txqueuelen:1000
RX bytes:846 (846.0 B) TX bytes:762 (762.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:31 errors:0 dropped:0 overruns:0 frame:0
TX packets:31 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:5328 (5.2 KiB) TX bytes:5328 (5.2 KiB)
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#ifconfig eth1
eth1 Link encap:Ethernet HWaddr 00:16:3e:00:01:02
inet addr:192.168.5.2 Bcast:192.168.5.255 Mask:255.255.255.0
inet6 addr: fe80::216:3eff:fe00:102/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10 errors:0 dropped:0 overruns:0 frame:0
TX packets:44 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:660 (660.0 B) TX bytes:2344 (2.2 KiB)
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#arp -an
? (192.168.5.1) at <incomplete> on eth1 ? (192.168.4.2) at <incomplete> on eth2 ? (192.168.16.1) at 00:16:3e:00:00:01 [ether] on eth0 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#vim /etc/ma
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. From 192.168.5.2 icmp_seq=1 Destination Host Unreachable From 192.168.5.2 icmp_seq=2 Destination Host Unreachable From 192.168.5.2 icmp_seq=3 Destination Host Unreachable ^C --- 192.168.5.1 ping statistics --- 4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3017ms , pipe 3 |
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#ifconfig eth1
eth1 Link encap:Ethernet HWaddr 00:16:3e:00:01:02
inet addr:192.168.5.2 Bcast:192.168.5.255 Mask:255.255.255.0
inet6 addr: fe80::216:3eff:fe00:102/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10 errors:0 dropped:0 overruns:0 frame:0
TX packets:50 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:660 (660.0 B) TX bytes:2596 (2.5 KiB)
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. From 192.168.5.2 icmp_seq=1 Destination Host Unreachable From 192.168.5.2 icmp_seq=2 Destination Host Unreachable From 192.168.5.2 icmp_seq=3 Destination Host Unreachable From 192.168.5.2 icmp_seq=5 Destination Host Unreachable From 192.168.5.2 icmp_seq=6 Destination Host Unreachable From 192.168.5.2 icmp_seq=7 Destination Host Unreachable From 192.168.5.2 icmp_seq=9 Destination Host Unreachable From 192.168.5.2 icmp_seq=10 Destination Host Unreachable From 192.168.5.2 icmp_seq=11 Destination Host Unreachable ... From 192.168.5.2 icmp_seq=53 Destination Host Unreachable From 192.168.5.2 icmp_seq=54 Destination Host Unreachable From 192.168.5.2 icmp_seq=55 Destination Host Unreachable From 192.168.5.2 icmp_seq=57 Destination Host Unreachable From 192.168.5.2 icmp_seq=58 Destination Host Unreachable From 192.168.5.2 icmp_seq=59 Destination Host Unreachable ^C --- 192.168.5.1 ping statistics --- 59 packets transmitted, 0 received, +45 errors, 100% packet loss, time 58068ms , pipe 3 |
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. ^C --- 192.168.5.1 ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 999ms |
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. From 192.168.5.2 icmp_seq=1 Destination Host Unreachable From 192.168.5.2 icmp_seq=2 Destination Host Unreachable From 192.168.5.2 icmp_seq=3 Destination Host Unreachable ^C --- 192.168.5.1 ping statistics --- 6 packets transmitted, 0 received, +3 errors, 100% packet loss, time 5016ms , pipe 3 |
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#arp -an
? (192.168.5.1) at <incomplete> on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#arp -an
? (192.168.5.1) at <incomplete> on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. From 192.168.5.2 icmp_seq=2 Destination Host Unreachable From 192.168.5.2 icmp_seq=3 Destination Host Unreachable From 192.168.5.2 icmp_seq=4 Destination Host Unreachable From 192.168.5.2 icmp_seq=6 Destination Host Unreachable From 192.168.5.2 icmp_seq=7 Destination Host Unreachable From 192.168.5.2 icmp_seq=8 Destination Host Unreachable From 192.168.5.2 icmp_seq=10 Destination Host Unreachable From 192.168.5.2 icmp_seq=11 Destination Host Unreachable From 192.168.5.2 icmp_seq=12 Destination Host Unreachable ^C --- 192.168.5.1 ping statistics --- 12 packets transmitted, 0 received, +9 errors, 100% packet loss, time 11011ms , pipe 3 |
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. ^C --- 192.168.5.1 ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 1013ms |
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#tcpdump -i eth1 -n
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes 16:18:38.569803 ARP, Request who-has 192.168.5.2 tell 192.168.5.1, length 46 16:18:38.569818 ARP, Reply 192.168.5.2 is-at 00:16:3e:00:01:02, length 28 16:18:39.569939 ARP, Request who-has 192.168.5.2 tell 192.168.5.1, length 46 16:18:39.569950 ARP, Reply 192.168.5.2 is-at 00:16:3e:00:01:02, length 28 16:18:40.569809 ARP, Request who-has 192.168.5.2 tell 192.168.5.1, length 46 16:18:40.569821 ARP, Reply 192.168.5.2 is-at 00:16:3e:00:01:02, length 28 16:18:42.573823 ARP, Request who-has 192.168.5.2 tell 192.168.5.1, length 46 16:18:42.573834 ARP, Reply 192.168.5.2 is-at 00:16:3e:00:01:02, length 28 ... 16:22:47.901909 ARP, Request who-has 192.168.5.2 tell 192.168.5.1, length 46 16:22:47.901918 ARP, Reply 192.168.5.2 is-at 00:16:3e:00:01:02, length 28 16:22:48.901820 ARP, Request who-has 192.168.5.2 tell 192.168.5.1, length 46 16:22:48.901831 ARP, Reply 192.168.5.2 is-at 00:16:3e:00:01:02, length 28 16:22:49.901927 ARP, Request who-has 192.168.5.2 tell 192.168.5.1, length 46 16:22:49.901935 ARP, Reply 192.168.5.2 is-at 00:16:3e:00:01:02, length 28 ^C 204 packets captured 204 packets received by filter 0 packets dropped by kernel |
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#arp -an
? (192.168.5.1) at 00:16:3e:00:01:01 [ether] on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#ping 192.168.15.1
PING 192.168.15.1 (192.168.15.1) 56(84) bytes of data. ^C --- 192.168.15.1 ping statistics --- 341 packets transmitted, 0 received, 100% packet loss, time 340013ms |
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#arp -an
? (192.168.5.1) at 00:16:3e:00:01:01 [ether] on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#arp -d 192.168.5.1
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#arp -an
? (192.168.5.1) at <incomplete> on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#ping 192.168.15.1
PING 192.168.15.1 (192.168.15.1) 56(84) bytes of data. 64 bytes from 192.168.15.1: icmp_seq=1 ttl=63 time=0.823 ms 64 bytes from 192.168.15.1: icmp_seq=2 ttl=63 time=0.787 ms 64 bytes from 192.168.15.1: icmp_seq=3 ttl=63 time=0.776 ms 64 bytes from 192.168.15.1: icmp_seq=4 ttl=63 time=0.752 ms 64 bytes from 192.168.15.1: icmp_seq=5 ttl=63 time=1.13 ms 64 bytes from 192.168.15.1: icmp_seq=6 ttl=63 time=0.803 ms 64 bytes from 192.168.15.1: icmp_seq=7 ttl=63 time=0.774 ms 64 bytes from 192.168.15.1: icmp_seq=8 ttl=63 time=0.760 ms 64 bytes from 192.168.15.1: icmp_seq=9 ttl=63 time=0.758 ms 64 bytes from 192.168.15.1: icmp_seq=10 ttl=63 time=0.782 ms 64 bytes from 192.168.15.1: icmp_seq=11 ttl=63 time=0.791 ms ^C --- 192.168.15.1 ping statistics --- 11 packets transmitted, 11 received, 0% packet loss, time 10003ms rtt min/avg/max/mdev = 0.752/0.812/1.130/0.105 ms |
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#traceroute -n 192.168.5^C
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. ^C --- 192.168.5.1 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 2019ms |
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#arp -an
? (192.168.5.1) at <incomplete> on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data. ^C --- 192.168.5.1 ping statistics --- 1 packets transmitted, 0 received, 100% packet loss, time 0ms |
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#arp -an
? (192.168.5.1) at <incomplete> on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#ping 192.168.15.1
PING 192.168.15.1 (192.168.15.1) 56(84) bytes of data. 64 bytes from 192.168.15.1: icmp_seq=1 ttl=63 time=0.818 ms 64 bytes from 192.168.15.1: icmp_seq=2 ttl=63 time=0.761 ms ^C --- 192.168.15.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 999ms rtt min/avg/max/mdev = 0.761/0.789/0.818/0.040 ms |
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#traceroute -n 192.168.15.1
traceroute to 192.168.15.1 (192.168.15.1), 30 hops max, 60 byte packets 1 192.168.16.254 0.078 ms 0.141 ms 0.132 ms 2 192.168.15.1 52.061 ms 52.364 ms 52.684 ms |
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#arp -an
? (192.168.5.1) at 00:16:3e:00:01:01 [ether] on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |
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#arp -an
? (192.168.5.1) at 00:16:3e:00:01:01 [ether] on eth1 ? (192.168.16.254) at 00:07:e9:0c:45:0c [ether] on eth0 ? (192.168.16.4) at 00:16:3e:00:00:04 [ether] on eth0 |