Can't login using ssh after IPMP config. - The UNIX and Linux Forums

01-23-2013

Luis Valle Luis Valle is offline

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Can't login using ssh after IPMP config.

Dear All,
After configuring IPMP in 2 fresh Servers (T5520 and T2000) I can't login in any of them using SSH, I can login by serial console then I had to enable Telnet to access.
IPMP works fine.

This is the error in /var/adm/messages:

Code:

sshd[1071]: Failed password for lvalle from 172.28.12.95 port 50532 ssh2

The configuration for IPMP I used is:
/etc/hosts:

Code:

172.28.11.81 lag-pro-cdrs-01 loghost
172.28.11.82 lag-pro-cdrs-01-e1000g0
172.28.11.83 lag-pro-cdrs-01-e1000g1

/etc/hostname.e1000g0:

Code:

lag-pro-cdrs-01-e1000g0 deprecated -failover netmask + broadcast + group ipmp up addif lag-pro-cdrs-01 netmask + broadcast + up

/etc/hostname.e1000g2:

Code:

lag-pro-cdrs-01-e1000g2 deprecated -failover netmask + broadcast + group ipmp up

This is the network configuration:

Code:

-bash-3.2# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
e1000g0: flags=9040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER> mtu 1500 index 2
        inet 172.28.11.82 netmask ffffff80 broadcast 172.28.11.127
        groupname ipmp
        ether 0:14:4f:ae:2d:b0
e1000g0:1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 172.28.11.81 netmask ffffff80 broadcast 172.28.11.127
e1000g2: flags=9040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER> mtu 1500 index 3
        inet 172.28.11.83 netmask ffffff80 broadcast 172.28.11.127
        groupname ipmp
        ether 0:14:4f:ae:2d:b2

I'll appreciate your advice in this regard.

---------- Post updated at 04:37 PM ---------- Previous update was at 03:37 PM ----------

Self solved

I'm not sure whether was related to the password complexity (/etc/default/passwd), or the fact my user ID was 0 same as root and in /etc/ssh/sshd_config PermitRootLogin was set to "no".
Strange thing login only failed after configuring IPMP.
So you now know where to look if you have this problem

I think it was the UID 0 stuff.

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