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Results tagged with vlan
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user 36920
For questions about Virtual LANs (VLANs) which are used to divide what otherwise would be a single OSI layer-2 broadcast domain into multiple, logical OSI layer-2 broadcast domains.
2
votes
1
answer
5k
views
Single DHCP server for multiple VLANs (packet tracer)
Port 1 is in VLAN 20
Port 2 is in VLAN 21
Can I use a single DHCP server without a router and give IP to both the PCs? …
- 227
3
votes
2
answers
323
views
Standard access list
10 as below:
Interface vlan 10
IP access-group 20 in
Why isn't it not possible to ping from vlan20 device to vlan 10 device ? … I even tried adding
Interface vlan 10
IP access-group 10 out
but it's not working
But if I try
Interface vlan 10
IP access-group 20 out,
things works fine
If , standard access list checks source …
- 227
0
votes
Accepted
Standard access list
from VLAN 12 and
out to VLAN 10
ACL will check for packets coming into VLAN 10 from VLAN 12
So outbound = coming into the VLAN 10
(coming **out to** VLAN 10 **from** any other network )
here … from VLAN 10 into VLAN 12 , and will reject everything which doesn't match the ACE. …
- 227
2
votes
3
answers
343
views
Use of VLAN allowed feature and security risk associated with not configuring it
if i have 3 vlans say, 10,20 ,30
if i don't assign vlan allowed to trunk port , what are the security risks i could face if i am using default vlan allowed range
what are the benefits of VLAN allowed …
- 227