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TOPIC: Secondary IP and HSRP in VLAN

Secondary IP and HSRP in VLAN 7 years 5 months ago #36476

  • big_g
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Hi Guys,

I have implemented HSRP across our internal vlans - the problem I have now is that there is a secondary subnet which is operatiing in our main LAN/ VLAN this totals two subnets in this VLAN - My question is can I run HSRP and the secondary IP address and subsequent subnet in this VLAN concurrently?

I dont want to try this live without knowing 100% as I have only the resouces in live environment to test and this VLAN is carrying all essential traffic

I've tried looking this up but dont seem to be able to word this query correctly for the answer im looking

Cheers for any help

Re: Secondary IP and HSRP in VLAN 7 years 5 months ago #36496

  • krik
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Hi,

Running multiple subnets on the same HSRP instance is done exactly the same way as you do it for the interface IP addresses the the "secondary" keyword...
[code:1]interface FastEthernet0/0
ip address 20.20.20.1 255.255.255.0 secondary
ip address 10.10.10.1 255.255.255.0
standby 10 ip 10.10.10.3
standby 10 ip 20.20.20.3 secondary[/code:1]

Regards,
Christophe
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