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Resolved! How much free space will I need in flash if I uprade to c3560-ipbasek9-mz.122-55.SE10.bin IOS?

I have a  WS-C3560-24TS switch booting from c3560-ipbase-mz.122-25.SEB4.bin file but I do not have the ability to ssh to the device. I want to upgrade to c3560-ipbasek9-mz.122-55.SE10.bin but if I do so I'll only have 13718528 bytes free in flash. Af...

rweir0001 by • Level 1
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Resolved! 10G SFP for 2960 and 3850

hi , i am trying to figure out the correct sfp for my scenario. currently my 2960x switch needs to connect to 3850 switch i want them both to connect at 10G Fiber. i was thinking about using SFP-10G-LR or SFP-10G-LRM on both sides currently the fibe...

blocking multicast inside a vlan

Is it possible to block multicast inside a vlan? I'm trying to create a vlan that doesn't allow multicast between devices within the vlan.With multicast routing, I think I simply make sure there's no ip pim sparse/dense command in the vlan config and...

Inter VLAN Routing with MUltiple Routers

In a typical case if you have 3or 4 swicthes and one router then you can do Inter VLAN routing through  sub interfaces i-e int fao/1.1 . But what if you have 6or 8 swicthes and 3 or 4 routers then how do you do INter VLAN Routing.                   

Optical Power ++ : high alarm in Transceiver

I have  the follow error in a 7609: c1#sho int traTransceiver monitoring is disabled for all interfaces.If device is externally calibrated, only calibrated values are printed.++ : high alarm, +  : high warning, -  : low warning, -- : low alarm.NA or...

Resolved! NAT issues

Greetings, I have the following issue: I've got a 2821 router configured for NAT. It's supposed to grant access to a webserver on the local network at address 192.168.1.46, port 8080 from the outside network. The network address translation is workin...

Resolved! Switchport No config AUTO Trunking

I've run across a switch port on a core switch at one of our branch offices that has no config on it but is not shutdown. A 3750 is plugged into this port, and has negotiated a trunk, with hosts connected to it.  In other words, it's in production, a...

Is there a way to have one 3750 switch on floor one, and another via cat 6 on floor 2, where a printer can still be seen as part of the network?

Hello, I know that there is a way to stack 3750s, but I only have short stacking cables.  Is there a way to put the main 3750 on floor 1, and run a cat 6 cable from it to another 3750 on floor 2, and have a computer which is plugged into floor 1, be...

HSRP Inter operability

Hello Team I am using Cat 4506 chassis with Sup-6E and planning to add redundancy in the setup with New 4506 chassis. Now the challenge is SUP 6E is end of sale and i need to go ahead with Sup 7E . just wanted to confirm if both these different Sup ...

Two Firewalls one ISP

I will be replacing my firewall in the next few months and didn't want to do a forklift upgrade. I would rather install new firewalls to test before removing the old ones. A watered down version of the current setup is the Core Switch does the routi...

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