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From "venkata swamybabu budumuru (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-2136) [Multiple IPs Per Nic] [Enhancement] For the ease of management and debugging, use ipsets for arptable configuration
Date Mon, 22 Apr 2013 13:33:15 GMT
venkata swamybabu budumuru created CLOUDSTACK-2136:
------------------------------------------------------

             Summary: [Multiple IPs Per Nic] [Enhancement] For the ease of management and
debugging, use ipsets for arptable configuration
                 Key: CLOUDSTACK-2136
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2136
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Network Controller
    Affects Versions: 4.2.0
         Environment: commit 81e1ba3bb406f9546f0d46ccbfa3fbbb35b762e2
            Reporter: venkata swamybabu budumuru
            Assignee: Jayapal Reddy
            Priority: Minor
             Fix For: 4.2.0


Steps to reproduce:

1. Have a basic zone with xen cluster
2. deploy a vm
3. add a secondary ip to the above VMs nic using addIpToVmNic
4. check the arptables

observations:

(i) arptables --list --verbose

Chain i-2-10-VM (2 references)
-j RETURN -i vif8.0 -o any -s 10.147.42.62 --src-mac 06:a7:aa:00:00:12 --opcode Request ,
pcnt=0 -- bcnt=0 
-j ACCEPT -i vif8.0 -o any -s 10.147.42.62 --src-mac 06:a7:aa:00:00:12 --opcode Reply , pcnt=0
-- bcnt=0 
-j ACCEPT -i any -o vif8.0 -d 10.147.42.62 --dst-mac 06:a7:aa:00:00:12 --opcode Reply , pcnt=0
-- bcnt=0 
-j ACCEPT -i any -o vif8.0 -d 10.147.42.62 --opcode Request , pcnt=0 -- bcnt=0 
-j ACCEPT -i vif8.0 -o any -s 10.147.42.67 --src-mac 06:a7:aa:00:00:12 --opcode Reply , pcnt=0
-- bcnt=0 
-j RETURN -i vif8.0 -o any -s 10.147.42.67 --src-mac 06:a7:aa:00:00:12 --opcode Request ,
pcnt=0 -- bcnt=0 
-j ACCEPT -i any -o vif8.0 -d 10.147.42.67 --opcode Request , pcnt=266 -- bcnt=7448 
-j ACCEPT -i any -o vif8.0 -d 10.147.42.67 --dst-mac 06:a7:aa:00:00:12 --opcode Reply , pcnt=0
-- bcnt=0 
-j DROP -i any -o any , pcnt=870 -- bcnt=24360 


It would be good if we use ipset to represent the above two ips 42.62 and 42.67. it makes
simpler to view and debug.

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