-
Capture de paquets ARP :
gayant05# tcpdump -vvv -s 1024 -e -x arp &
gayant05# ping phinaert07 > /dev/null
16:18:33.356560 0:10:b5:7:34:a3 Broadcast arp 42:
arp who-has phinaert07.priv.eudil.fr tell gayant05
0001 0800 0604 0001 0010 b507 34a3 ac1a
118a 0000 0000 0000 ac1a 1166
- Liste de la table ARP :
gayant05# arp -a
router-students.priv.eudil.fr (172.26.16.1) at 00:D0:BC:BF:6C:38 [ether] on eth0
hainaut.priv.eudil.fr (172.26.16.2) at 00:60:08:71:B9:BE [ether] on eth0
phinaert07.priv.eudil.fr (172.26.17.102) at 00:10:B5:07:36:86 [ether] on eth0
- Découverte de voisins en IPv6 :
gayant05# cat /proc/net/dev_mcast
2 eth0 1 0 3333ff0734a3
2 eth0 1 0 333300000001
2 eth0 1 0 01005e000001
gayant05# tcpdump -vvv -s 1024 -e -x icmp6 &
gayant05# ping6 phinaert07 > /dev/null
11:22:09.746594 0:10:b5:7:34:a3 33:33:ff:7:36:86 ip6 86:
2001:660:4401:6004:210:b5ff:fe07:34a3 > ff02::1:ff07:3686:
icmp6: neighbor sol:
who has 2001:660:4401:6004:210:b5ff:fe07:3686
(src lladdr: 00:10:b5:07:34:a3) (len 32, hlim 255)
6000 0000 0020 3aff 2001 0660 4401 6004
0210 b5ff fe07 34a3 ff02 0000 0000 0000
0000 0001 ff07 3686 8700 ed30 0000 0000
2001 0660 4401 6004 0210 b5ff fe07 3686
0101 0010 b507 34a3
11:22:09.747305 0:10:b5:7:36:86 0:10:b5:7:34:a3 ip6 86:
2001:660:4401:6004:210:b5ff:fe07:3686
> 2001:660:4401:6004:210:b5ff:fe07:34a3:
icmp6: neighbor adv:
tgt is 2001:660:4401:6004:210:b5ff:fe07:3686(SO)(
tgt lladdr: 00:10:b5:07:36:86) (len 32, hlim 255)
6000 0000 0020 3aff 2001 0660 4401 6004
0210 b5ff fe07 3686 2001 0660 4401 6004
0210 b5ff fe07 34a3 8800 06db 6000 0000
2001 0660 4401 6004 0210 b5ff fe07 3686
0201 0010 b507 3686
