I know there was a post about the 2948G-L3 a while back, but I missed it.
I'm having problems connecting the L3 switch to a plain 2948G switch. Maybe
someone can share some experience...
I'm trying to use the L3 version of the 2948G with a plain old 2948G and I'm
having problems with dot1q VLANs spanning these two devices. Here's what
I've done so far:
Here's the config for the 2948G-L3
int g49
no ip addr
int g49.172
ip addr 192.168.172.1 255.255.255.0
ip helper ...
ip helper ...
encap dot1q 172
bridge-group 172
int g49.173
ip addr 192.168.173.1 255.255.255.0
ip helper ...
ip helper ...
encap dot1q 173
bridge-group 173
int FastEthernet1
no ip addr
bridge-group 172
int FastEthernet2
no ip addr
bridge-group 173
Global:
bridge 172 protocol ieee
bridge 173 protocol ieee
Here's what I did on the plain old 2948G:
1. Cleared the config on the plain 2948G.
2. Created the vtp domain; assigned vtp domain password.
3. Created vlans 172 and 173.
4. Set gig port 49 trunking to on.
5. Set the sc0 interface in vlan 172 with ip addr of 192.168.172.150; set
default route to 192.168.172.1
Here's what I did to test this out.
1. I connected a PC to FastEthernet2 (vlan 173) of the L3 and tried a ping
to the .1 (local rtr) address and then to an address on a different segment.
No success on either; no arp entry on the PC.
2. Tried pinging from the L3 CLI to the workstation. No sucess; sho arp
has 'incomplete' for .50 address.
Any ideas what I might be doing wrong?
--
Lorenzo
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