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why not ping through vlan1

280120720
Beginner
Beginner

background: i business trip to our other a brunch company, cause previous network guy has resigned.so many setup i'm not able to get know. i saw vtp setup in many switch was transport mode.

now there is a new switch, i just setup interface vlan1 ip address (e.g  IP A)and subnet mask. and a interface gi 1/0/48 trunk mode.
i think now i should ping through IP A from my pc (i can ping through other existed switches). but it can not. anything might i going wrong? please advise.

1 Accepted Solution

Accepted Solutions

since your PC in vlan 5, there should be routing somewhere in switches. configure default gateway of new switch to VLAN1's gateway address. and make sure trunk between new switch is allowed for vlan 1 traffic.

Please rate this and mark as solution/answer, if this resolved your issue
Good luck
KB

View solution in original post

12 Replies 12

try making interface access mode and set vlan to 1 where you connected the PC

Please rate this and mark as solution/answer, if this resolved your issue
Good luck
KB

my computer connecting to other switch like other guys with other segment IP.
this new switch (trunk) connecting to other switch (trunk), the issue is my computer can not ping this new switch vlan1 IP A.

check if your new switch's IP pingable from another switch's vlan 1 IP

Please rate this and mark as solution/answer, if this resolved your issue
Good luck
KB

how to check? if yes how to change it?

you can SSH/console to another switch and use ping command to check new IP. also if you can share small diagram how your network connected that can helps to understand your network

Please rate this and mark as solution/answer, if this resolved your issue
Good luck
KB

from other switch can ping through new IP A.
from pc can ping through IP B and C. ( A B C in vlan1)
from pc can not ping through new IP A. 

since your PC in vlan 5, there should be routing somewhere in switches. configure default gateway of new switch to VLAN1's gateway address. and make sure trunk between new switch is allowed for vlan 1 traffic.

Please rate this and mark as solution/answer, if this resolved your issue
Good luck
KB

i still don't understand, i didn't find any routing setup in many switch,
my pc in vlan5, i can ping this switch device vlan1 IP C, and also ping 2nd switch vlan1 ip B,
the issue is same pc i can not ping this 3rd switch device vlan1 ip A?
how to setup this routing if so?

there is VLAN mismatch 
the PC are have same subnet as VLAN 1 SVI in A,B,C ?? if Yes 
then only change the port connect to PC from VLAN5 to VLAN 1

change port is a little bit not easy, i don't familiar with envirnment here.
yes, same subnet, i think if change to vlan1, i would can ping. because from other switch can ping this new switch.

it mess of VLAN config, that what PC can ping some and can not ping other. 

pc can ping previous all switch, just can not ping this new switch.
in this new switch, i just setup a interface vlan 1 ip A and a port trunk, others are default.

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