3com 5500-SI Manual De Usuario
Peer Fabric Port Detection
85
n
If the switch can receive DISC packets sent by the peer, the FTM module
determines whether peer sending ports correspond to local receiving ports
according to information in the packet. That is, if a DISC packet received by the
left port of the switch is sent by the right port of the peer device, the packet is
regarded legal. Otherwise, the packet is regarded illegal and is discarded.
determines whether peer sending ports correspond to local receiving ports
according to information in the packet. That is, if a DISC packet received by the
left port of the switch is sent by the right port of the peer device, the packet is
regarded legal. Otherwise, the packet is regarded illegal and is discarded.
n
If the maximum number of devices allowed by the fabric is reached, the devices in
the fabric do not send DISC packets and discard the received DISC packets. This
prevents new devices from joining the fabric.
the fabric do not send DISC packets and discard the received DISC packets. This
prevents new devices from joining the fabric.
n
After receiving a DISC packet from a directly connected device, a device in a fabric
checks whether the device information (that is, the Fabric name and software
version) contained in the packet and those of its own are the same. If not, the
received DISC packet is illegal and will be discarded.
checks whether the device information (that is, the Fabric name and software
version) contained in the packet and those of its own are the same. If not, the
received DISC packet is illegal and will be discarded.
n
If authentication is enabled in the fabric, the current device in the fabric
authenticates received packets sent by new directly connected devices. Packets
that fail to pass the authentication will be discarded.
authenticates received packets sent by new directly connected devices. Packets
that fail to pass the authentication will be discarded.
Prompt Information and
Solution
normal
If the port displays "normal", it indicates the fabric operates properly.
temporary
If the port displays "temporary", it indicates the port status is changing.
redundance port
If the port displays "redundance port", it indicates the port is the redundant port in
fabric ring topology.
fabric ring topology.
The "normal", "temporary" and "redundance port" information do not mean a device
or a fabric operates improperly. No measure is needed for any of these three types of
information.
or a fabric operates improperly. No measure is needed for any of these three types of
information.
connection error
Analysis: The port matching errors (as listed in Table 70) may occur if a switch
prompts the "connection error" message.
prompts the "connection error" message.
Solution: Take the measures listed in Table 70 accordingly.
Table 70 Connection error type and solution
Error type
Solution
Two fabric ports of the same device (that
is, the right port and the left port) are
connected.
is, the right port and the left port) are
connected.
Pull out one end of the cable and connect it to a
fabric port of another switch.
fabric port of another switch.
The left and right fabric ports of two
devices are not connected in a crossed
way.
devices are not connected in a crossed
way.
Connect the left and right ports of two devices in a
crossed way.
crossed way.
A fabric port of the local switch is
connected to a non-fabric port.
connected to a non-fabric port.
Check the types of the two interconnected ports on
two sides and make sure a fabric port is only
connected to ports of the same type.
two sides and make sure a fabric port is only
connected to ports of the same type.