Troubleshooting - Chelsio Communications Terminator Series Installation And User Manual

Chapter XXVI. Appendix A

Troubleshooting

Cannot bring up Chelsio interface
Make sure you have created the corresponding network-script configuration file as stated in
Cheslsio Unified Wire chapter (See
the structure and contents are correct. A sample is given in the Chelsio Unified Wire chapter
(See Configuring network-scripts). Another reason may be that the IP address mentioned in the
configuration file is already in use on the network.
Cannot ping through Chelsio interface
First, make sure the interface was successfully brought up using ifup ethX (where ethX is your
interface) and that it is linked to an IP address, either static or obtained through DHCP.
You then may want to check whether the destination host (i.e. the machine you are trying to ping)
is up and running and accepts ICMP requests such as ping. If you get a return value of 0 when
doing a cat /proc/sys/net/ipv4/icmp_echo_ignore_all
configured to reply to incoming pings. Change
that this is a Linux-only tip.
If you have more than one interface wired to the network, make sure you are using the right one
for your outgoing ping requests. This can be done by using the
as shown in the following example:
[root@host~]# ping -I eth1 10.192.167.1
Where 10.192.167.1 is the machine you want to ping.
Configuring firewall for your application
In many cases the firewall software on the systems may prevent the applications from working
properly. Please refer to the appropriate documentation for the Linux distribution on how to
configure or disable the firewall.
FCoE link not up
Always enable LLDP on the interfaces as FCoE link won't come up until and unless a successful
LLDP negotiation happens.
priority-flow-control mode on the switch
On the switch, make sure priority-flow-control mode is always set to auto and flow control is
disabled.
Chelsio Unified Wire for Linux
Creating network-scripts). If the file does exist, make sure
ipv4 ipv6
to
on the remote host that means it is
in the path if you are using IPv6. Note
-I option of the ping command,
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