[c-nsp] C3750me overlaping ip-space

Thomas Braun tb at westend.com
Wed Sep 20 09:14:58 EDT 2006


Hi,

any one has seen this:
conf t
sw01-tac(config)#int vlan100
sw01-tac(config-if)# no ip address 15.240.33.254 255.255.255.0
sw01-tac(config-if)# ip address 15.240.7.254 255.255.0.0


sw01-tac#sh run int vlan210
Building configuration...

Current configuration : 58 bytes
!
interface Vlan210
 ip address 19.7.1.1 255.255.0.0
end

sw01-tac#sh run int vlan100
Building configuration...

Current configuration : 62 bytes
!
interface Vlan100
 ip address 15.240.7.254 255.255.0.0
end

sw01-tac#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
sw01-tac(config)#int vlan210
sw01-tac(config-if)# ip address 15.240.33.254 255.255.255.0 secondary
15.240.33.0 overlaps with Vlan100
sw01-tac(config-if)#


I saw this behavior with the old ios 12.1(14r)AX and thought with the new version it is  fixed.
I haven't found a bug to this, any one else have this problem?



Switch   Ports  Model              SW Version              SW Image
------   -----  -----              ----------              ----------
*    1   28     ME-C3750-24TE      12.2(25)SEG1            C3750ME-I5-M


Configuration register is 0xF


thanks
thomas


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