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How many secondary network config possible???

hotshin03
Level 1
Level 1

How many secondary network config possible???

Switch - Cat3560

IOS Ver 12.2(50)se5

6 Replies 6

Reza Sharifi
Hall of Fame
Hall of Fame

Are you talking about secondary interfaces on an SVI?

Yes, secondary interfaces on an SVI

Not sure about the exact number, but you can a lots of secondary ip addresses. Not a very common deployment though.

have a look:

interface Vlan1

ip address 2.2.1.2 255.255.255.0 secondary

ip address 2.2.3.2 255.255.255.0 secondary

ip address 2.2.4.2 255.255.255.0 secondary

ip address 2.2.5.2 255.255.255.0 secondary

ip address 2.2.6.2 255.255.255.0 secondary

ip address 2.2.7.2 255.255.255.0 secondary

ip address 2.2.8.2 255.255.255.0 secondary

ip address 2.2.9.2 255.255.255.0 secondary

ip address 2.2.20.2 255.255.255.0 secondary

ip address 2.2.30.2 255.255.255.0 secondary

ip address 2.2.40.2 255.255.255.0 secondary

ip address 2.2.50.2 255.255.255.0 secondary

ip address 2.2.60.2 255.255.255.0 secondary

ip address 2.2.70.2 255.255.255.0 secondary

ip address 2.2.80.2 255.255.255.0 secondary

ip address 2.2.90.2 255.255.255.0 secondary

ip address 2.2.100.2 255.255.255.0 secondary

ip address 192.168.1.10 255.255.255.0

end

HTH

I think we had the same type of question earlier but not able to search that thread.

I dont think there is any limit define as such in any document on configuring the secondary ip address on the svi.

Will do search again and get back on this.

Leo Laohoo
Hall of Fame
Hall of Fame
How many secondary network config possible???

Depends on how confused do you want to be and how confusing do you want your network to become.

Rule of thumb in regards to secondary IP address:  DON'T.

LMAO I concur with leolaohoo.  Just DON'T do it listen to him.

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