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[Qemu-devel] problems: running two instance of Qemu with same MAC addres
From: |
Mulyadi Santosa |
Subject: |
[Qemu-devel] problems: running two instance of Qemu with same MAC address |
Date: |
Wed, 19 May 2004 15:32:44 +0700 |
User-agent: |
KMail/1.5 |
hello all
I have problem about identical MAC address...here is the scenario
I run two instances of Qemu for full system emulation. I use Qemu 0.5.5
On both guest system, i can turn on the eth0 (NE 2000 card) . here is the
dmesg content:
On guest 1 and 2:
NE*000 ethercard probe at 0x300: 52 54 00 12 34 56
Guest 1 IP on eth0 --> 192.168.1.21..attached to tun0 with IP -->192.168.1.11
Guest 2 IP on eth0 --> 192.168.1.22..attached to tun0 with IP --> 192.168.1.12
here is the routing table at the host system:
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.21 * 255.255.255.255 UH 0 0 0 tun0
192.168.1.22 * 255.255.255.255 UH 0 0 0 tun1
10.1.1.0 * 255.255.255.0 U 0 0 0 eth0
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
Both guests can ping the host and the host can ping to these guests. When I
try to ping from guest 1 to guest 2, it got no reply (i guess similar with
dropped packet when u do DROP with iptables)
I realize the fact that both eth0 on the guests when I do tcpdump-ing. Ping
from guest 1 yield arp broadcast, but never get arp-reply...So, what is the
workaround for this double MAC address problem?
regards
Mulyadi
- [Qemu-devel] problems: running two instance of Qemu with same MAC address,
Mulyadi Santosa <=