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Full Discussion: Cluster Suite IP-Aliasing
Operating Systems Linux Red Hat Cluster Suite IP-Aliasing Post 302418827 by funksen on Wednesday 5th of May 2010 12:43:32 PM
Old 05-05-2010
Cluster Suite IP-Aliasing
Hi,

is it normal, that the IP alias (service IP) can't be seen with ifconfig -a , as eth0:1 for example

the IP is on the node, you can ping it, and open ports for that IP

look at this:

Code:
[root@uscltest3 ~]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:50:56:95:13:2c brd ff:ff:ff:ff:ff:ff
    inet 10.200.218.82/24 brd 10.200.218.255 scope global eth0
    inet 10.200.218.85/24 scope global secondary eth0
    inet6 fe80::250:56ff:fe95:132c/64 scope link 
       valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:50:56:95:2e:f5 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.82/24 brd 192.168.0.255 scope global eth1
    inet6 fe80::250:56ff:fe95:2ef5/64 scope link 
       valid_lft forever preferred_lft forever
4: sit0: <NOARP> mtu 1480 qdisc noop 
    link/sit 0.0.0.0 brd 0.0.0.0
5: virbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue 
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
    inet6 fe80::200:ff:fe00:0/64 scope link 
       valid_lft forever preferred_lft forever
[root@uscltest3 ~]# ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:50:56:95:13:2C  
          inet addr:10.200.218.82  Bcast:10.200.218.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:fe95:132c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:40389 errors:0 dropped:0 overruns:0 frame:0
          TX packets:21471 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:12202049 (11.6 MiB)  TX bytes:9060670 (8.6 MiB)
          Base address:0x2000 Memory:d8920000-d8940000 

eth1      Link encap:Ethernet  HWaddr 00:50:56:95:2E:F5  
          inet addr:192.168.0.82  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:fe95:2ef5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:213 errors:0 dropped:0 overruns:0 frame:0
          TX packets:56 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:20831 (20.3 KiB)  TX bytes:10360 (10.1 KiB)
          Base address:0x2040 Memory:d8940000-d8960000 

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:5927 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5927 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:7709874 (7.3 MiB)  TX bytes:7709874 (7.3 MiB)

sit0      Link encap:IPv6-in-IPv4  
          NOARP  MTU:1480  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)

virbr0    Link encap:Ethernet  HWaddr 00:00:00:00:00:00  
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          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:54 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:10680 (10.4 KiB)

 

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