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6506/with Sup720 small question about the sup720

On the sup720 there are 2 fiber ports and one other port that looks like a fast Ethernet port. However, to use this FastE do I configure this port as a vlan?

What is the significance of this interface?

3 REPLIES
Cisco Employee

Re: 6506/with Sup720 small question about the sup720

Hi Sandra,

the sup270 has two Gigabit Ethernet ports, one Small Form-Factor Pluggable (SFP) and one selectable SFP or 10/100/100 RJ-45, so only two of the three ports can be active at any one point in time.

You can configure this as documented below

CatOS:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_8_5/confg_gd/ether.htm#wp1038398

IOS:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/122sx/swcg/sup720.htm#wp1051988

HTH,

Bobby

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New Member

Re: 6506/with Sup720 small question about the sup720

Hi Bobby,

right now I'm using both gigabit ethernet ports.

one primary and the other a backup for that fiber link. If i understand you correctly, since I'm using both ports I can't use the third, which I needed for another connection.

Cisco Employee

Re: 6506/with Sup720 small question about the sup720

Hi Sandra,

That's correct, you can't use the third port if you're already using two.

regards,

Bobby

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