[Openstack] Guest to Host works but host to guest does not

ashish.jain14 at wipro.com ashish.jain14 at wipro.com
Thu Jan 29 05:15:06 UTC 2015


Hi Srinivas,

Here are the details:

1) ifconfig -a 

root at controller:/home/ashish# ifconfig -a
br-eth2   Link encap:Ethernet  HWaddr 08:00:27:37:ac:ae
          inet addr:192.168.56.2  Bcast:192.168.56.255  Mask:255.255.255.0
          inet6 addr: fe80::10e9:c6ff:fec1:ca6c/64 Scope:Link
          UP BROADCAST RUNNING PROMISC  MTU:1500  Metric:1
          RX packets:13156 errors:0 dropped:0 overruns:0 frame:0
          TX packets:30363 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1115044 (1.1 MB)  TX bytes:4070007 (4.0 MB)

br-int    Link encap:Ethernet  HWaddr a6:11:2a:83:d4:48
          inet6 addr: fe80::48a9:34ff:fe1c:1a06/64 Scope:Link
          UP BROADCAST RUNNING  MTU:1500  Metric:1
          RX packets:750 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:73696 (73.6 KB)  TX bytes:648 (648.0 B)

eth0      Link encap:Ethernet  HWaddr 08:00:27:73:0e:0d
          inet addr:10.0.2.15  Bcast:10.0.2.255  Mask:255.255.255.0
          inet6 addr: fe80::a00:27ff:fe73:e0d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:488 errors:0 dropped:0 overruns:0 frame:0
          TX packets:571 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:46795 (46.7 KB)  TX bytes:49402 (49.4 KB)

eth1      Link encap:Ethernet  HWaddr 08:00:27:37:ac:ae
          inet6 addr: fe80::a00:27ff:fe37:acae/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:20069 errors:0 dropped:0 overruns:0 frame:0
          TX packets:31071 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1695919 (1.6 MB)  TX bytes:4752990 (4.7 MB)

int-br-eth2 Link encap:Ethernet  HWaddr b2:94:ca:76:85:39
          inet6 addr: fe80::b094:caff:fe76:8539/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:8047 errors:0 dropped:0 overruns:0 frame:0
          TX packets:217 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:693379 (693.3 KB)  TX bytes:15126 (15.1 KB)

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:65536  Metric:1
          RX packets:526321 errors:0 dropped:0 overruns:0 frame:0
          TX packets:526321 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:154582422 (154.5 MB)  TX bytes:154582422 (154.5 MB)

ovs-system Link encap:Ethernet  HWaddr 4a:34:03:77:d9:ad
          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:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

phy-br-eth2 Link encap:Ethernet  HWaddr ba:75:4e:f3:86:fa
          inet6 addr: fe80::b875:4eff:fef3:86fa/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:217 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8047 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:15126 (15.1 KB)  TX bytes:693379 (693.3 KB)

qbr222f9329-6d Link encap:Ethernet  HWaddr ce:6b:e3:6e:3b:00
          inet6 addr: fe80::4ee:8dff:fe45:e64b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7660 errors:0 dropped:0 overruns:0 frame:0
          TX packets:74 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:538565 (538.5 KB)  TX bytes:3420 (3.4 KB)

qbr98a6b5f7-65 Link encap:Ethernet  HWaddr 4a:f9:40:e5:be:6b
          inet6 addr: fe80::9887:cff:fed4:b679/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:712 errors:0 dropped:0 overruns:0 frame:0
          TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:60524 (60.5 KB)  TX bytes:1740 (1.7 KB)

qvb222f9329-6d Link encap:Ethernet  HWaddr ce:6b:e3:6e:3b:00
          inet6 addr: fe80::cc6b:e3ff:fe6e:3b00/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:7835 errors:0 dropped:0 overruns:0 frame:0
          TX packets:153 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:673219 (673.2 KB)  TX bytes:10760 (10.7 KB)

qvb98a6b5f7-65 Link encap:Ethernet  HWaddr 4a:f9:40:e5:be:6b
          inet6 addr: fe80::48f9:40ff:fee5:be6b/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:984 errors:0 dropped:0 overruns:0 frame:0
          TX packets:63 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:96680 (96.6 KB)  TX bytes:4244 (4.2 KB)

qvo222f9329-6d Link encap:Ethernet  HWaddr fe:f0:9b:cc:bc:27
          inet6 addr: fe80::fcf0:9bff:fecc:bc27/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:153 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7835 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:10760 (10.7 KB)  TX bytes:673219 (673.2 KB)

qvo98a6b5f7-65 Link encap:Ethernet  HWaddr 6a:67:9c:a9:43:04
          inet6 addr: fe80::6867:9cff:fea9:4304/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:63 errors:0 dropped:0 overruns:0 frame:0
          TX packets:984 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4244 (4.2 KB)  TX bytes:96680 (96.6 KB)

tap222f9329-6d Link encap:Ethernet  HWaddr fe:16:3e:1e:53:0d
          inet6 addr: fe80::fc16:3eff:fe1e:530d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:79 errors:0 dropped:0 overruns:0 frame:0
          TX packets:142 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:7412 (7.4 KB)  TX bytes:10708 (10.7 KB)

tap98a6b5f7-65 Link encap:Ethernet  HWaddr fe:16:3e:10:c9:66
          inet6 addr: fe80::fc16:3eff:fe10:c966/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:23 errors:0 dropped:0 overruns:0 frame:0
          TX packets:77 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:2036 (2.0 KB)  TX bytes:4954 (4.9 KB)

virbr0    Link encap:Ethernet  HWaddr be:2e:88:cd:96:d2
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          UP 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:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

2) brctl show

root at controller:/home/ashish# brctl show
bridge name     bridge id               STP enabled     interfaces
qbr222f9329-6d          8000.ce6be36e3b00       no              qvb222f9329-6d
                                                        tap222f9329-6d
qbr98a6b5f7-65          8000.4af940e5be6b       no              qvb98a6b5f7-65
                                                        tap98a6b5f7-65
virbr0          8000.000000000000       yes

3) ovs-vsctl show
root at controller:/home/ashish# ovs-vsctl show
1e062790-8818-4b76-ad43-20186b9550f6
    Bridge "br-eth2"
        Port "eth1"
            Interface "eth1"
        Port "phy-br-eth2"
            Interface "phy-br-eth2"
        Port "br-eth2"
            Interface "br-eth2"
                type: internal
    Bridge br-int
        fail_mode: secure
        Port br-int
            Interface br-int
                type: internal
        Port "qvo222f9329-6d"
            tag: 1
            Interface "qvo222f9329-6d"
        Port "int-br-eth2"
            Interface "int-br-eth2"
        Port "tap0b9f0fa0-bc"
            tag: 1
            Interface "tap0b9f0fa0-bc"
                type: internal
        Port "qvo98a6b5f7-65"
            tag: 1
            Interface "qvo98a6b5f7-65"
    ovs_version: "2.0.2"

4) root at controller:/home/ashish# ovs-ofctl dump-flows br-eth2
NXST_FLOW reply (xid=0x4):
 cookie=0x0, duration=17240.03s, table=0, n_packets=188, n_bytes=13160, idle_age=30, priority=4,in_port=2,dl_vlan=1 actions=strip_vlan,NORMAL
 cookie=0x0, duration=17252.053s, table=0, n_packets=31, n_bytes=2558, idle_age=17192, priority=2,in_port=2 actions=drop
 cookie=0x0, duration=17252.933s, table=0, n_packets=50500, n_bytes=5784007, idle_age=0, priority=1 actions=NORMAL

root at controller:/home/ashish# ovs-ofctl dump-flows br-int
NXST_FLOW reply (xid=0x4):
 cookie=0x0, duration=17258.668s, table=0, n_packets=8124, n_bytes=699836, idle_age=0, priority=3,in_port=1,vlan_tci=0x0000 actions=mod_vlan_vid:1,NORMAL
 cookie=0x0, duration=17270.823s, table=0, n_packets=7, n_bytes=578, idle_age=17264, priority=2,in_port=1 actions=drop
 cookie=0x0, duration=17272.667s, table=0, n_packets=245, n_bytes=18394, idle_age=49, priority=1 actions=NORMAL
 cookie=0x0, duration=17272.383s, table=22, n_packets=0, n_bytes=0, idle_age=17272, priority=0 actions=drop


Thanks for all your help!

Regards
Ashish


From: Srinivasreddy R <srinivasreddy4390 at gmail.com>
Sent: Wednesday, January 28, 2015 11:09 AM
To: Ashish Jain (WT01 - BAS)
Subject: Re: [Openstack] Guest to Host works but host to guest does not
  


hi ashish,


can you give 
1.ifconfig -a
2.brctl show
3. ovs-vsctl show
4.ovs-ofctl dump-flows <bridges>


regards
Srinivas.



 


On Wed, Jan 28, 2015 at 10:37 AM, <ashish.jain14 at wipro.com> wrote:


Hi Srinivas,


This is a single VM setup this means all the components are installed on the same VM. This VM has got 2 ethernet interfaces eth0 and eth1. Access to TCP/22 is already enabled as you can see from 
 nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default tcp 1 65535  0.0.0.0/0


 Regards
Ashish





From: Srinivasreddy R <srinivasreddy4390 at gmail.com>
Sent: Wednesday, January 28, 2015 12:03 AM
To: Ashish Jain (WT01 - BAS)
Subject: Re: [Openstack] Guest to Host works but host to guest does not
  



i think you cannot access VM from compute node or controller .
insted you can loging through external network [need to enable tcp/22, icmp rules in security group rules ].A pc connected to br-ex via an external physical interface in controller node .


regards,
srinivas.




On Tue, Jan 27, 2015 at 10:30 PM, <ashish.jain14 at wipro.com> wrote:
 Hi,

 I am unable to ping/ssh from my host VM to guest VM.  However opposite works just fine, that is I am able to ping from guest  to host VM. Currently I am accessing my guest from horizon console and  have tried pinging/sshing into my host VM and it works just  fine. I have  also tried using network namespace to ping from host to guest but it  does not work. I am using  neutron network.

I have already enabled ICMP/TCP/UDP port access using the following
nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default tcp 1 65535  0.0.0.0/0

nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default udp 1 65535  0.0.0.0/0

nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default icmp -1 -1 0.0.0.0/0

Any pointers would be helpful.

Thanks
Ashish



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 -- 


thanks
srinivas.             


-- 


thanks
srinivas.       



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