why host from different vlan cannot ping
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‎04-04-2016 12:52 AM
i have 2 core BD8800 and few summit x450. i have 3 vlans, my summit switches can ping to all different vlans but my host cant ping to different vlans
i have enabled Ip forwarding
from core switch vlan configuration
-----------------------------------------------------------------------------------------------Name VID Protocol Addr Flags Proto Ports Virtual
Active router
/Total
-----------------------------------------------------------------------------------------------
AccessControl 20 172.19.0.3 /21 -fL----------v--------------- ANY 1 /3 VR-Default
CCTV 10 172.18.0.3 /21 -fL---------Tv--------------- ANY 1 /6 VR-Default
Default 1 172.17.0.3 /21 -fL---------Tv--------------- ANY 3 /155 VR-Default
ISC 99 172.99.0.2 /30 ------I---------------------- ANY 1 /1 VR-Default
Mgmt 4095 ------------------------------------------------- ANY 0 /1 VR-Mgmt
-----------------------------------------------------------------------------------------------
summit edge switches configuration
* X450G2-24p-G4.34 # show vlan-----------------------------------------------------------------------------------------------
Name VID Protocol Addr Flags Proto Ports Virtual
Active router
/Total
-----------------------------------------------------------------------------------------------
AccessControl 20 ------------------------------------------------- ANY 0 /0 VR-Default
CCTV 10 ------------------------------------------------- ANY 1 /1 VR-Default
Default 1 172.17.4.170 /21 -f----------T---------------- ANY 1 /26 VR-Default
Mgmt 4095 ------------------------------------------------- ANY 0 /1 VR-Mgmt
-----------------------------------------------------------------------------------------------
i have enabled Ip forwarding
from core switch vlan configuration
-----------------------------------------------------------------------------------------------Name VID Protocol Addr Flags Proto Ports Virtual
Active router
/Total
-----------------------------------------------------------------------------------------------
AccessControl 20 172.19.0.3 /21 -fL----------v--------------- ANY 1 /3 VR-Default
CCTV 10 172.18.0.3 /21 -fL---------Tv--------------- ANY 1 /6 VR-Default
Default 1 172.17.0.3 /21 -fL---------Tv--------------- ANY 3 /155 VR-Default
ISC 99 172.99.0.2 /30 ------I---------------------- ANY 1 /1 VR-Default
Mgmt 4095 ------------------------------------------------- ANY 0 /1 VR-Mgmt
-----------------------------------------------------------------------------------------------
summit edge switches configuration
* X450G2-24p-G4.34 # show vlan-----------------------------------------------------------------------------------------------
Name VID Protocol Addr Flags Proto Ports Virtual
Active router
/Total
-----------------------------------------------------------------------------------------------
AccessControl 20 ------------------------------------------------- ANY 0 /0 VR-Default
CCTV 10 ------------------------------------------------- ANY 1 /1 VR-Default
Default 1 172.17.4.170 /21 -f----------T---------------- ANY 1 /26 VR-Default
Mgmt 4095 ------------------------------------------------- ANY 0 /1 VR-Mgmt
-----------------------------------------------------------------------------------------------
2 REPLIES 2
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‎04-04-2016 03:19 AM
thanks for your reply . problem was.. my computer .. i was connected to 2 gateways.
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‎04-04-2016 03:14 AM
Can be Ip address conflict? Can be wrong default gateway on your computer Can be wrong ARP on your computer for default gateway. Can be that your computer does have two NICs with two routes/gateways.
Regards
Zdeněk Pala
