Hi,
My computer has two NICs and was configured like below:
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 172.36.100.12
network 172.36.100.0
netmask 255.255.255.0
broadcast 172.36.100.255
up ip route add 172.36.100.0/24 dev eth0 src 172.36.100.12 table 10
up ip route add default via 172.36.100.1 dev eth0 table 10
up ip rule add from 172.36.100.12 table 10
up ip route add 172.36.100.0/24 dev eth0 src 172.36.100.12
auto eth1
iface eth1 inet static
address 172.36.100.13
network 172.36.100.0
netmask 255.255.255.0
broadcast 172.36.100.255
up ip route add 172.36.100.0/24 dev eth1 src 172.36.100.13 table 20
up ip route add default via 172.36.100.1 dev eth1 table 20
up ip rule add from 172.36.100.13 table 20
up ip route add 172.36.100.0/24 dev eth1 src 172.36.100.13
I wrote a simple application to test the bound_addr with two NICs.
The strange thing is when I call the URI, all the packet I captured with Wireshark is always sent from either eth0's address or eth1's address, no matter what bound_addr I set to.
The IP in all headers is as same as bound_addr, except the CONTACT header.
But the call still works.
Then if I unplug the cable of this "default" interfaces, I cannot make the call but ping is still ok.
My application is in the attachment.
Any advice is welcome.
Bui Danh Quy
Attachment:
Makefile
Description: Binary data
Attachment:
simple_phone.c
Description: Binary data
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