[Xen-users] Changing subnet mask doesn not work

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Subject:	[Xen-users] Changing subnet mask doesn not work
From:	"bala subramanyam vemu" <subramanyam312@xxxxxxxxxxxxxx>
Date:	5 May 2008 06:18:12 -0000
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Hi

I have been using multi-net script did set up some networking
but as part of network routing I want to change the netmask of the bridge xenroute0

I tried the following commands

set xenroute0 netmask 255.255.255.0

also modified the /etc/xen/networktab and the ip to 30.0.0.1 to 30.0.0.1/16 , I wanted the netmask of the bridge to be 255.255.255.0

can you please suggest me the right way of doing it

below is the output of ifconfig
**************************************************************

eth0      Link encap:Ethernet HWaddr 00:19:D1:E1:6F:48
          inet addr:164.99.96.72 Bcast:164.99.97.255 Mask:255.255.254.0
          inet6 addr: fe80::219:d1ff:fee1:6f48/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:10032 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10758 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:979077 (956.1 Kb) TX bytes:12085604 (11.5 Mb)

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:105249 errors:0 dropped:0 overruns:0 frame:0
          TX packets:105249 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:221347989 (211.0 Mb) TX bytes:221347989 (211.0 Mb)

peth0     Link encap:Ethernet HWaddr 00:19:D1:E1:6F:48
          inet6 addr: fe80::219:d1ff:fee1:6f48/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:74566 errors:0 dropped:0 overruns:0 frame:0
          TX packets:180508 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:7799604 (7.4 Mb) TX bytes:201917644 (192.5 Mb)
          Base address:0x20c0 Memory:90300000-90320000

vif2.0    Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:2211 errors:0 dropped:0 overruns:0 frame:0
          TX packets:942 errors:0 dropped:238 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:70252 (68.6 Kb) TX bytes:103004 (100.5 Kb)

vif3.0    Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:9 errors:0 dropped:0 overruns:0 frame:0
          TX packets:914 errors:0 dropped:150 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:508 (508.0 b) TX bytes:83244 (81.2 Kb)

vif4.0    Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:9 errors:0 dropped:0 overruns:0 frame:0
          TX packets:929 errors:0 dropped:91 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:508 (508.0 b) TX bytes:84326 (82.3 Kb)

vif4.1    Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:9 errors:0 dropped:0 overruns:0 frame:0
          TX packets:929 errors:0 dropped:91 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:508 (508.0 b) TX bytes:84326 (82.3 Kb)

vif4.2    Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:45 errors:0 dropped:984 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:0 (0.0 b) TX bytes:4923 (4.8 Kb)

xenroute0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
          inet addr:30.0.0.1 Bcast:0.0.0.0 Mask:255.255.255.255
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b) TX bytes:2340 (2.2 Kb)
**********************************************

Thanks in advance
Subramanyam

Thanking you
Subramanyam

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[Xen-users] Changing subnet mask doesn not work