Network connectivity troubleshooting
From Wiki-UX.info
Commands
- lanscan
- linkloop
- lanadmin
- arp
- ping
- netstat
- nslookup
lanscan
# lanscan
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
0/1/2/0 0x00156004A2FA 0 UP lan0 snap0 1 ETHER Yes 119
0/1/2/1 0x00156004A2FB 1 UP lan1 snap1 2 ETHER Yes 119
0/4/1/0/6/0 0x0016353E5012 2 UP lan2 snap2 3 ETHER Yes 119
LinkAgg0 0x000000000000 900 DOWN lan900 snap900 5 ETHER Yes 119
LinkAgg1 0x000000000000 901 DOWN lan901 snap901 6 ETHER Yes 119
LinkAgg2 0x000000000000 902 DOWN lan902 snap902 7 ETHER Yes 119
LinkAgg3 0x000000000000 903 DOWN lan903 snap903 8 ETHER Yes 119
LinkAgg4 0x000000000000 904 DOWN lan904 snap904 9 ETHER Yes 119
# lanscan -v
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
0/1/2/0 0x00156004A2FA 0 UP lan0 snap0 1 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x00156004A2FA IEEE HPEXTIEEE SNAP ETHER NOVELL
Driver Specific Information
iether
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
0/1/2/1 0x00156004A2FB 1 UP lan1 snap1 2 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x00156004A2FB IEEE HPEXTIEEE SNAP ETHER NOVELL
Driver Specific Information
iether
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
0/4/1/0/6/0 0x0016353E5012 2 UP lan2 snap2 3 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x0016353E5012 IEEE HPEXTIEEE SNAP ETHER NOVELL
Driver Specific Information
igelan
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
LinkAgg0 0x000000000000 900 DOWN lan900 snap900 5 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x000000000000
Driver Specific Information
hp_apa
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
LinkAgg1 0x000000000000 901 DOWN lan901 snap901 6 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x000000000000
Driver Specific Information
hp_apa
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
LinkAgg2 0x000000000000 902 DOWN lan902 snap902 7 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x000000000000
Driver Specific Information
hp_apa
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
LinkAgg3 0x000000000000 903 DOWN lan903 snap903 8 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x000000000000
Driver Specific Information
hp_apa
-------------------------------------------------------------------------------
Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI
Path Address In# State NamePPA ID Type Support Mjr#
LinkAgg4 0x000000000000 904 DOWN lan904 snap904 9 ETHER Yes 119
Extended Station LLC Encapsulation
Address Methods
0x000000000000
Driver Specific Information
hp_apa
-------------------------------------------------------------------------------
linkloop
# lanscan | grep lan
0/1/2/0 0x00156004A2FA 0 UP lan0 snap0 1 ETHER Yes 119
0/1/2/1 0x00156004A2FB 1 UP lan1 snap1 2 ETHER Yes 119
0/4/1/0/6/0 0x0016353E5012 2 UP lan2 snap2 3 ETHER Yes 119
LinkAgg0 0x000000000000 900 DOWN lan900 snap900 5 ETHER Yes 119
LinkAgg1 0x000000000000 901 DOWN lan901 snap901 6 ETHER Yes 119
LinkAgg2 0x000000000000 902 DOWN lan902 snap902 7 ETHER Yes 119
LinkAgg3 0x000000000000 903 DOWN lan903 snap903 8 ETHER Yes 119
LinkAgg4 0x000000000000 904 DOWN lan904 snap904 9 ETHER Yes 119
# linkloop -i 0 0x00156004A2FA
Link connectivity to LAN station: 0x00156004A2FA
-- OK
lanadmin
# lanadmin -s 0
Speed = 100000000
# lanadmin -x 0
Speed = 100 Full-Duplex.
Autonegotiation = On.
# lanadmin -m 0
MTU Size = 1500
# lanadmin -a 0
Station Address = 0x0013211a94da
netstat -in
# netstat -in
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lan0 1500 16.90.48.0 16.90.48.75 129153 0 11890 0 0
lo0 32808 127.0.0.0 127.0.0.1 38248 0 38248 0 0
# netstat -i
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lan0 1500 16.90.48.0 delta.cri.hp.com
129556 0 11926 0 0
lo0 32808 loopback localhost 38276 0 38276 0 0
netstat -rn
# netstat -rn
Routing tables
Destination Gateway Flags Refs Interface Pmtu
127.0.0.1 127.0.0.1 UH 0 lo0 32808
16.90.48.75 16.90.48.75 UH 0 lan0 32808
16.90.48.0 16.90.48.75 U 2 lan0 1500
127.0.0.0 127.0.0.1 U 0 lo0 32808
default 16.90.48.1 UG 0 lan0 1500
# netstat -r
Routing tables
Destination Gateway Flags Refs Interface Pmtu
localhost localhost UH 0 lo0 32808
delta.cri.hp.com delta.cri.hp.com UH 0 lan0 32808
16.90.48.0 delta.cri.hp.com U 2 lan0 1500
loopback localhost U 0 lo0 32808
default 16.90.48.1 UG 0 lan0 1500
