Chapter 38 Troubleshooting
Management Switch Card User’s Guide
1106
4 If the problem continues, contact the vendor.
A Gigabit Ethernet interface’s LEDs are not on.
1 Make sure the interface is enabled.
2 Make sure that the interface’s speed and duplex settings match those on the port on the peer
Ethernet device.
3 Check the copper or fiber optic Ethernet cable and connections between the interface and the
Ethernet switch or router.
4 If the interface is an SFP slot, check the transceiver.
5 Make sure that the peer Ethernet device is functioning properly.
6 If the Ethernet cable and peer Ethernet device are both OK and the LEDs stay off, there may be a
problem with the interface. Contact the distributor.
A SFP slot’s LNK LED turns on and off intermittently.
1 Check the copper or fiber optic Ethernet cable and connections between the uplink or subtending
interface and the Ethernet switch or router.
2 Make sure that the peer Ethernet device is functioning properly.
3 If the Ethernet cable and peer Ethernet device are both OK and the LNK LED keeps turning off and
on, there may be a problem with the port. Contact the distributor.
38.2 MSC Access and Login
I forgot the IP address for the MSC.
1 If you forgot the IP address of the in-band management port, try to log into the out-of-band
management port. If you were using the out-of-band management port, try the in-band
management port.
1 The default in-band IP address is 192.168.1.1. The default out-of-band IP address is
192.168.0.1.
2 Use the console port to log into the MSC.
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