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From Simon Godard <sgod...@cloudops.com>
Subject VPC network stats wrong on 4.7
Date Wed, 13 Jul 2016 13:28:47 GMT
Hi,

After upgrading to ACS 4.7 and VRs to 4.6 we are noticing a regression in the Network usage
stats. The Network out (bytes sent) is now 0 and the Network received (bytes received) appears
to hold the stats of bytes sent. This is using VPCs without redundant VRs.

Here are the output of the iptables -L -v command:

~# iptables -L -v -n
Chain INPUT (policy DROP 36031 packets, 3454K bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 ACCEPT     tcp  --  eth2   *       0.0.0.0/0            10.188.218.1         tcp
dpt:80 state NEW
    0     0 ACCEPT     tcp  --  eth2   *       0.0.0.0/0            10.188.218.1         tcp
dpt:53
 8988  655K ACCEPT     udp  --  eth2   *       0.0.0.0/0            10.188.218.1         udp
dpt:53
91565   11M NETWORK_STATS  all  --  *      *       0.0.0.0/0            0.0.0.0/0        
  
    0     0 ACCEPT     udp  --  eth2   *       0.0.0.0/0            0.0.0.0/0            udp
dpt:67
    0     0 ACCEPT     udp  --  eth2   *       0.0.0.0/0            0.0.0.0/0            udp
dpt:53
    0     0 ACCEPT     tcp  --  eth2   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:53
    0     0 ACCEPT     tcp  --  eth2   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:80 state NEW
    0     0 ACCEPT     tcp  --  eth2   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:8080 state NEW
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
 2936  244K ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
52597 7459K ACCEPT     tcp  --  eth0   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:3922 state NEW,ESTABLISHED
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     tcp  --  eth0   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:3922 state NEW,ESTABLISHED
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     tcp  --  eth0   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:3922 state NEW,ESTABLISHED
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     tcp  --  eth0   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:3922 state NEW,ESTABLISHED
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     tcp  --  eth0   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:3922 state NEW,ESTABLISHED
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     tcp  --  eth0   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:3922 state NEW,ESTABLISHED
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
    0     0 ACCEPT     icmp --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     tcp  --  eth0   *       0.0.0.0/0            0.0.0.0/0            tcp
dpt:3922 state NEW,ESTABLISHED

Chain FORWARD (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         
 560K 1307M NETWORK_STATS_eth1  all  --  *      *       0.0.0.0/0            0.0.0.0/0   
       
 560K 1307M NETWORK_STATS  all  --  *      *       0.0.0.0/0            0.0.0.0/0        
  
 286K  589M ACL_INBOUND_eth2  all  --  *      eth2    0.0.0.0/0            10.188.218.0/24
    
 275K  718M ACCEPT     all  --  *      *       10.188.216.0/22     !10.188.216.0/22     

Chain OUTPUT (policy ACCEPT 71914 packets, 10M bytes)
 pkts bytes target     prot opt in     out     source               destination         
71955   10M NETWORK_STATS  all  --  *      *       0.0.0.0/0            0.0.0.0/0        
  

Chain ACL_INBOUND_eth2 (1 references)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            225.0.0.50          
    0     0 ACCEPT     all  --  *      *       0.0.0.0/0            224.0.0.18          
 286K  589M ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           
    0     0 DROP       all  --  *      *       0.0.0.0/0            0.0.0.0/0           

Chain NETWORK_STATS (3 references)
 pkts bytes target     prot opt in     out     source               destination         
    0     0            tcp  --  eth0   eth2    0.0.0.0/0            0.0.0.0/0           
    0     0            tcp  --  eth2   eth0    0.0.0.0/0            0.0.0.0/0           
 275K  588M            tcp  --  !eth0  eth2    0.0.0.0/0            0.0.0.0/0           
 264K  717M            tcp  --  eth2   !eth0   0.0.0.0/0            0.0.0.0/0           

Chain NETWORK_STATS_eth1 (1 references)
 pkts bytes target     prot opt in     out     source               destination         
    0     0            all  --  *      eth1    0.0.0.0/0            10.188.218.0/24     
 275K  718M            all  --  *      eth1    10.188.218.0/24      0.0.0.0/0           

The last Chain (NETWORK_STATS_eth1 appears to be wrong since both rules have ‘in’ as *
and ‘out’ as eth1.

Do you have an idea of what is going on?

Thanks
-- 
Simon Godard


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