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network address reconfig - what becomes my def gw?

tsrader
Level 1
Level 1

looking to reconfig existing address space to NEW ip's.....

-move from single c6500 to dual c6500s w/ single sup720 in each

-remove vlan 1 and move to mgmt vlan 300

assuming vlan 1 (192.168.1.1) is being removed and mgmt vlan 300 (172.16.1.1-172.16.1.50) is config'd...what ip address becomes the default gateway for the entire network? (note: C6500s are doing ALL L3 for network...there is no router)

sample config: (am i thinking correctly on this one?)

core-1 w/ single sup 720

interface vlan 300

172.16.1.2 255.255.0.0

standby 1 ip 172.16.1.1

standby 1 priority 150

standby 1 preempt

core-2 w/ single sup720

interface vlan 300

172.16.1.3 255.255.0.0

standby 1 ip 172.16.1.1

standby 1 priority 100

standby 1 preempt

does the defaul gateway become 172.16.1.1? (which is the same address range of mgmt vlan?)

2 Replies 2

network.king
Level 4
Level 4

Hi

If you are changing the mgmt ip of your switch network , then the HSRP ip configured above would be the default for others.And you are correct.

regards

vanesh k

Yes, you are right. 172.16.1.1 will become default gateway for devices which are member of management VLAN.

rate if it helps ...

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