Cvičení 3
ifconfig
p2p1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.114 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fdb7:3f96:41e6:0:5131:ab32:f95a:48ce prefixlen 64 scopeid 0x0<global>
inet6 fe80::8060:e8f:5a82:9f9a prefixlen 64 scopeid 0x20<link>
inet6 fd03:8b53:4d8b:c:d366:dde7:1de8:3ea prefixlen 64 scopeid 0x0<global>
inet6 fdb7:3f96:41e6::8a8 prefixlen 128 scopeid 0x0<global>
inet6 fd03:8b53:4d8b:c::8a8 prefixlen 128 scopeid 0x0<global>
ether b4:96:91:26:1a:8d txqueuelen 1000 (Ethernet)
RX packets 1509 bytes 991126 (967.8 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1152 bytes 157316 (153.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device memory 0xee100000-ee1fffff
vboxnet0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.56.1 netmask 255.255.255.0 broadcast 192.168.56.255
inet6 fe80::800:27ff:fe00:0 prefixlen 64 scopeid 0x20<link>
ether 0a:00:27:00:00:00 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 173 bytes 9897 (9.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[kevin.danek@a0313 ~]$ curl ifconfig.me
147.230.78.84
[kevin.danek@a0313 ~]$ nslookup 147.230.78.84
84.78.230.147.in-addr.arpa name = a0313.nti.tul.cz.
[kevin.danek@a0313 ~]$ arp
Address HWtype HWaddress Flags Mask Iface
192.168.56.109 (incomplete) vboxnet0
192.168.56.101 (incomplete) vboxnet0
192.168.56.121 (incomplete) vboxnet0
192.168.56.125 (incomplete) vboxnet0
192.168.56.113 (incomplete) vboxnet0
192.168.56.117 (incomplete) vboxnet0
192.168.56.139 (incomplete) vboxnet0
192.168.56.143 (incomplete) vboxnet0
192.168.56.131 (incomplete) vboxnet0
192.168.56.135 (incomplete) vboxnet0
192.168.56.147 (incomplete) vboxnet0
a0300.nti.tul.cz ether 54:bf:64:62:cb:51 C enp0s31f6
192.168.56.106 (incomplete) vboxnet0
a0304.nti.tul.cz ether 54:bf:64:62:ce:c1 C enp0s31f6
192.168.56.110 (incomplete) vboxnet0
192.168.56.102 (incomplete) vboxnet0
192.168.56.122 (incomplete) vboxnet0
192.168.56.126 (incomplete) vboxnet0
192.168.56.114 (incomplete) vboxnet0
192.168.56.118 (incomplete) vboxnet0
share.nti.tul.cz ether 10:98:36:a2:75:fb C enp0s31f6
192.168.56.136 (incomplete) vboxnet0
192.168.56.140 (incomplete) vboxnet0
gateway ether cc:2d:e0:e7:8d:3f C p2p1
192.168.56.128 (incomplete) vboxnet0
192.168.56.132 (incomplete) vboxnet0
192.168.56.144 (incomplete) vboxnet0
router-b.tul.cz ether d0:c7:89:a9:d2:80 C enp0s31f6
192.168.56.148 (incomplete) vboxnet0
192.168.56.107 (incomplete) vboxnet0
192.168.56.111 (incomplete) vboxnet0
192.168.56.103 (incomplete) vboxnet0
192.168.56.123 (incomplete) vboxnet0
192.168.56.127 (incomplete) vboxnet0
192.168.56.115 (incomplete) vboxnet0
192.168.56.119 (incomplete) vboxnet0
192.168.56.137 (incomplete) vboxnet0
192.168.56.141 (incomplete) vboxnet0
192.168.56.129 (incomplete) vboxnet0
192.168.56.133 (incomplete) vboxnet0
192.168.56.145 (incomplete) vboxnet0
192.168.56.149 (incomplete) vboxnet0
192.168.56.104 (incomplete) vboxnet0
192.168.56.108 (incomplete) vboxnet0
192.168.56.100 ether 08:00:27:d3:8f:71 C vboxnet0
192.168.56.120 (incomplete) vboxnet0
192.168.56.124 (incomplete) vboxnet0
192.168.56.112 (incomplete) vboxnet0
192.168.56.116 (incomplete) vboxnet0
192.168.56.138 (incomplete) vboxnet0
192.168.56.142 (incomplete) vboxnet0
192.168.56.130 (incomplete) vboxnet0
192.168.56.134 (incomplete) vboxnet0
192.168.56.146 (incomplete) vboxnet0
192.168.56.150 (incomplete) vboxnet0
192.168.56.105 (incomplete) vboxnet0
192.168.56.100 je aktivní.
Virtuál
student@virta0313:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:10:1c:18 brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global noprefixroute dynamic enp0s3
valid_lft 86207sec preferred_lft 86207sec
inet6 fe80::cbcc:6509:cedb:d67c/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:29:4a:dc brd ff:ff:ff:ff:ff:ff
inet 192.168.1.188/24 brd 192.168.1.255 scope global noprefixroute dynamic enp0s8
valid_lft 43007sec preferred_lft 43007sec
inet6 fdb7:3f96:41e6::f8d/128 scope global noprefixroute
valid_lft forever preferred_lft forever
inet6 fd03:8b53:4d8b:c::f8d/128 scope global noprefixroute
valid_lft forever preferred_lft forever
inet6 fdb7:3f96:41e6:0:7c7b:2332:da3e:de87/64 scope global noprefixroute
valid_lft forever preferred_lft forever
inet6 fd03:8b53:4d8b:c:283f:c873:9a3c:ce6e/64 scope global noprefixroute
valid_lft forever preferred_lft forever
inet6 fe80::fc66:9911:e26e:b897/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: enp0s9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:d3:8f:71 brd ff:ff:ff:ff:ff:ff
inet 192.168.56.100/24 brd 192.168.56.255 scope global noprefixroute dynamic enp0s9
valid_lft 1007sec preferred_lft 1007sec
inet6 fe80::90e:c1f7:4060:fa67/64 scope link noprefixroute
valid_lft forever preferred_lft forever
student@virta0313:~$ curl ifconfig.me
147.230.78.84
student@virta0313:~$ nslookup 147.230.78.84
84.78.230.147.in-addr.arpa name = a0313.nti.tul.cz.
Authoritative answers can be found from:
student@virta0313:~$ ip route
default via 10.0.2.2 dev enp0s3 proto dhcp metric 100
default via 192.168.1.1 dev enp0s8 proto dhcp metric 101
10.0.2.0/24 dev enp0s3 proto kernel scope link src 10.0.2.15 metric 100
192.168.1.0/24 dev enp0s8 proto kernel scope link src 192.168.1.188 metric 101
192.168.56.0/24 dev enp0s9 proto kernel scope link src 192.168.56.100 metric 102
student@virta0313:~$ sudo ip route del default via 192.168.1.1
student@virta0313:~$ ip route list
default via 10.0.2.2 dev enp0s3 proto dhcp metric 100
10.0.2.0/24 dev enp0s3 proto kernel scope link src 10.0.2.15 metric 100
192.168.1.0/24 dev enp0s8 proto kernel scope link src 192.168.1.188 metric 101
192.168.56.0/24 dev enp0s9 proto kernel scope link src 192.168.56.100 metric 102
student@virta0313:~$ ip route add default via 192.168.1.1 metric 99
student@virta0313:~$ ip route list
default via 192.168.1.1 dev enp0s8 metric 99
default via 10.0.2.2 dev enp0s3 proto dhcp metric 100
10.0.2.0/24 dev enp0s3 proto kernel scope link src 10.0.2.15 metric 100
192.168.1.0/24 dev enp0s8 proto kernel scope link src 192.168.1.188 metric 101
192.168.56.0/24 dev enp0s9 proto kernel scope link src 192.168.56.100 metric 102
student@virta0313:~$ curl ifconfig.me
147.230.78.154
student@virta0313:~$ nslookup 147.230.78.154
154.78.230.147.in-addr.arpa name = a03r03.nti.tul.cz.
Authoritative answers can be found from: