Hi
Does anyone even have a networking script that works for setting to host
+ clients that I could reuse? I'm pretty good with Linux but I've
always struggled with networking setups.
Thanks
Brendan
Brendan McNally wrote:
OK, after a quick reboot (to clear previous NIC stuff) I now have the
below. In what range should the TAP NIC be? Host side or Guest side?
[EMAIL PROTECTED]:/home/brendan/test# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0A:E4:AC:19:57
inet addr:192.168.50.101 Bcast:192.168.50.255
Mask:255.255.255.0
inet6 addr: fe80::20a:e4ff:feac:1957/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:877 errors:0 dropped:0 overruns:0 frame:0
TX packets:801 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:79627 (77.7 KB) TX bytes:109986 (107.4 KB)
Interrupt:20 Base address:0x4000
eth1 Link encap:Ethernet HWaddr 00:14:A5:34:14:26
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:455 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:19110 (18.6 KB)
Interrupt:11 Base address:0x4000
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:191 errors:0 dropped:0 overruns:0 frame:0
TX packets:191 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:23446 (22.8 KB) TX bytes:23446 (22.8 KB)
tap1 Link encap:Ethernet HWaddr 00:FF:90:29:27:00
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
umlserver Link encap:Ethernet HWaddr 00:FF:7A:53:84:63
inet addr:192.168.0.254 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::2ff:7aff:fe53:8463/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:43 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Antoine Martin wrote:
Only looked briefly, but your tap interfaces do not seem to have an
IP host side...
Antoine
Brendan McNally wrote:
Hi
Really hope you can help me out with this, networking has been a
real problem for me with UML. Can't get SSH or ping to connect from
either side.
Brendan
Guest;
[EMAIL PROTECTED] ~]# ifconfig eth0 192.168.0.253 up
[EMAIL PROTECTED] ~]# route add default gw 192.168.0.254
[EMAIL PROTECTED] ~]# ssh [EMAIL PROTECTED]
ssh: connect to host 192.168.50.101 port 22: No route to host
[EMAIL PROTECTED] ~]# ping 192.168.50.101
PING 192.168.50.101 (192.168.50.101) 56(84) bytes of data.
>From 192.168.0.253 icmp_seq=1 Destination Host Unreachable
>From 192.168.0.253 icmp_seq=2 Destination Host Unreachable
>From 192.168.0.253 icmp_seq=3 Destination Host Unreachable
--- 192.168.50.101 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time
3023ms
, pipe 3
[EMAIL PROTECTED] ~]#
Host;
[EMAIL PROTECTED]:/home/brendan# ssh [EMAIL PROTECTED]
ssh: connect to host 192.168.0.253 port 22: No route to host
[EMAIL PROTECTED]:/home/brendan# ping 192.168.0.253
PING 192.168.0.253 (192.168.0.253) 56(84) bytes of data.
>From 192.168.0.254 icmp_seq=1 Destination Host Unreachable
>From 192.168.0.254 icmp_seq=2 Destination Host Unreachable
>From 192.168.0.254 icmp_seq=3 Destination Host Unreachable
--- 192.168.0.253 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time
3007ms
, pipe 3
[EMAIL PROTECTED]:/home/brendan#
Jay Shah wrote:
Did you check if you could ping the host machine. If you can, but
can't ping the world, check if your IP Masquerading is on. E.g.
iptables -t nat -I POSTROUTING -o eth0 -j MASQUERADE
Jay
On Thu, Apr 17, 2008 at 4:53 PM, Antoine Martin
<[EMAIL PROTECTED]> wrote:
Brendan,
You're not explaining what doesn't work....
Have you tried pinging, traceroute, tcpdump, etc..
Cheers
Antoine
Brendan McNally wrote:
Hi All
I am having major problems getting my UML sessions networked
correctly. Can someone please review my configuration or suggest a
solution? It's really getting to me!
Thanks
Brendan
Host: 192.168.50.101 <http://192.168.50.101>
GW: 192.168.50.1 <http://192.168.50.1>
Network Setup on hosts;
tunctl
tunctl -b
tunctl -u root -t umlserver
tunctl -d tap0
ifconfig umlserver 192.168.0.254 <http://192.168.0.254> up
route add -host 192.168.0.253 <http://192.168.0.253> dev umlserver
echo 1 > /proc/sys/net/ipv4/ip_forward
echo 1 > /proc/sys/net/ipv4/conf/umlserver/proxy_arp
arp -Ds 192.168.0.253 <http://192.168.0.253> eth0 pub
[EMAIL PROTECTED]:/home/brendan/test# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0A:E4:AC:19:57
inet addr:192.168.50.101 <http://192.168.50.101>
Bcast:192.168.50.255 <http://192.168.50.255> Mask:255.255.255.0
<http://255.255.255.0>
inet6 addr: fe80::20a:e4ff:feac:1957/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3914 errors:0 dropped:0 overruns:0 frame:0
TX packets:4213 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:320456 (312.9 KB) TX bytes:631413 (616.6 KB)
Interrupt:20 Base address:0x6000
eth1 Link encap:Ethernet HWaddr 00:14:A5:34:14:26
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:702 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:29484 (28.7 KB)
Interrupt:11
lo Link encap:Local Loopback
inet addr:127.0.0.1 <http://127.0.0.1> Mask:255.0.0.0
<http://255.0.0.0>
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:328 errors:0 dropped:0 overruns:0 frame:0
TX packets:328 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:40509 (39.5 KB) TX bytes:40509 (39.5 KB)
tap0 Link encap:Ethernet HWaddr 00:FF:2E:A0:F3:47
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:9 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:594 (594.0 b) TX bytes:0 (0.0 b)
tap1 Link encap:Ethernet HWaddr 00:FF:F4:AA:CA:DE
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:9 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:594 (594.0 b) TX bytes:0 (0.0 b)
umlserver Link encap:Ethernet HWaddr 00:FF:7C:1D:9C:82
inet addr:192.168.0.254 <http://192.168.0.254>
Bcast:192.168.0.255 <http://192.168.0.255> Mask:255.255.255.0
<http://255.255.255.0>
inet6 addr: fe80::2ff:7cff:fe1d:9c82/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:35 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Start command;
/vmlinux-server ubda=Fedora7-server_fs mem=128M umid=umlserver
eth0=tuntap,tap0
Guest Setup;
ifconfig eth0 192.168.0.253 <http://192.168.0.253> up
route add default gw 192.168.0.254 <http://192.168.0.254>
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