Update: Setting up VLAN interfaces with Cisco gear... getting
traffic on broadcast only...
Brian J. McGovern
mcgovern at beta.com
Wed Nov 30 20:44:23 GMT 2005
I hate to add to my own issue.
I did some more playing and VLANs != 1 seem to work ok (typically in the
100-150 range). However, operating on VLAN 1 still seems to be an issue.
> I've got three Catalyst 6500s configured in a switching domain via
> fiber, with one "hub" 6500 connecting two remotes. Their port
> configurations are basically (the actual port number varies based on the
> interface Gigabit Ethernet 9/2
> no ip address
> switchport trunk encapsulation dot1q
> switchport mode trunk
> The switches have been working as-is for over a year now, so I know
> that part of the configuration is good.
> I've been asked to provide some Sun jumpstart services, and want to
> use an IBM x335 with a bge interface to act as a bootparams/tftp/rarp server
> and figured that trunking it in to the main switch and bringing up vlans for
> the individual subnets that would be served would be the right way to go, so
> I configured up one of the gig-E interfaces, as above, with the only change
> selecting the UTP media.
> On the FreeBSD (6.0) side, I then ran:
> ifconfig bge0 up media 1000baseTX mediaopt full-duplex
> ifconfig vlan0 create vlan 1 vlandev bge0
> ifconfig vlan0 10.86.154.221 netmask 255.255.255.240
> The other devices on the subnet are 10.86.154.209 ("Hub 6500"),
> 10.86.154.210 ("Remote 6500 1"), 10.86.154.211 ("Remote 6500 2"), and
> 10.86.154.222 ("Another x335 server running Linux").
> However, I don't seem to be able to get normal traffic through the
> link. If I ping 10.86.154.223 (the subnet broadcast), I see responses from a
> of the above devices - the first looking normal, and the remainder showing
> (DUP!), which I would expect.
> Pinging a device directly causes packets to get lost. They show up in
> the outbound stats, and the 6500(s) appear(s) to see and respond to it, but
> it never comes back in via the vlan0 interface.
> Any suggestions to try before I bang my head against the wall?
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