Q:
How can i configure a port for multiple vlan at Netgear FS728TS (like "trunk port" at cisco switch)
Netgear FS728TS, VLAN Setup, VLAN hardware, VLAN configuration, Switches, Cisco switches, Netgear switches i have an Netgear FS728TS switch and i have to use 2 vlan with an cisco switch.
(i have no problem about cisco switch configuration)
vlan name=Default
vlan ID=1
vlan name=AP
vlan ID=307
there is F/O cable connection between two switches.
1/g1 port using for this F/O connection at Netgear switch.
in my configuration ;
just one port "1/e24" member of vlan ID=307
and interface PVID=307 for 1/e24 port
and "T (Tagged)" for 1/e24 port
all other ports (include 1/g1) member of vlan ID=1
and interface PVID=1
and "U (Untagged)"
there is no problem about vlan ID=1 default vlan between two switches
but there is no communication vlan ID=307 "AP" vlan between two switches.
(i have no problem about cisco switch configuration)
vlan name=Default
vlan ID=1
vlan name=AP
vlan ID=307
there is F/O cable connection between two switches.
1/g1 port using for this F/O connection at Netgear switch.
in my configuration ;
just one port "1/e24" member of vlan ID=307
and interface PVID=307 for 1/e24 port
and "T (Tagged)" for 1/e24 port
all other ports (include 1/g1) member of vlan ID=1
and interface PVID=1
and "U (Untagged)"
there is no problem about vlan ID=1 default vlan between two switches
but there is no communication vlan ID=307 "AP" vlan between two switches.
ASKED:
Mar 9 2009 12:28 AM GMT
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A:
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The Cisco automatically adds every VLAN, other than the native (which is by default VLAN1) as tagged on a trunk port. The Netgear has no such arrangement.
On a user port, the VLAN needs to be untagged, and there can only be one VLAN attached to the port.
On the port that you want to trunk to a different switch, you need to add the VLANs as tagged, and there can be many of them, and possibly one untagged (VLAN1), (although it is considered not good practice to have an untagged VLAN on a trunk as it can allow DoS attacks on other VLANS, but in a secure private network this risk is small). So on your trunk port on the Netgear add VLAN 307 as tagged and by default VLAN 1 is already there as untagged. Then they should happily work together.
A quick thought, you may also need to turn off spanning tree, as the Cisco supports per-VLAN STP and the Netgear does not, and the Cisco gets a bit upset about this on some versions of IOS.
