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Cheque?? Your not an American, are you mate? :-) Thank you once again for all your help. John C. Reid, President Computer and Network Services

GOT IT - thank you so much rn4it. I don't know how long it would have taken me to figure this out without you. I do know I would have certainly gone insane prior to getting it. ClarkConnect states the ability to have multiple local LANs, but there is no mention really of how to do it. The other...

OK, so then if the default gateway is to route to the internet for all of these vlans, it needs to either know they are local (ClarkConnect lies about being able to do it - at least post 4.x) OR not know that it is routing to anything other than 10.0.0.x/24. Right? So then since I seem to be...

Right now, IPforwarding and RIP is enabled on every vlan. The router seems to be able to ping everything, even out to the internet. Devices on vlans can ping the device interface address for vlan rtr (10.0.0.2), but not the default gateway (10.0.0.1). Does the default route need to be in the...

The reason I could not ping the workstation was the Windows firewall. Ping request were received, but just dropped. So in reality I can ping 10.0.101.2. John C. Reid, President Computer and Network Services

Yea, great idea. So I moved the gateway router off the default vlan and removed port 1 from the default vlan. The gateway router is now 10.0.0.1, on port 1, vlan rtr, with the vlan interface address of 10.0.0.2 The DHCP server is still 10.0.1.2 but vlan default now has an interface address of...

Yes, the DHCP server has 10.0.1.1 as it's gateway. It is all starting to become clear. The DHCP server want's to send a packet back to a different network, so it takes the route given my it's gateway - DUH! My gateway router WAS IPCop. It does not truly support multiple subnet interfaces behind...

ARRG! My gateway router does not know that the 10.0.101.0/24, 10.0.102.0/24, etc subnets are BEHIND it. A traceroute to those subnets from the gateway goes out to the Internet rather than back to the summit switch. I need to get that fixed (obviously). If I ping (from a statically assigned IP...

Summit48si:1 # ping 10.0.1.1 Ping(ICMP) 10.0.1.1: 4 packets, 8 data bytes, interval= 1. 16 bytes from 10.0.1.1: icmp_seq=0 ttl=64 time=0 ms 16 bytes from 10.0.1.1: icmp_seq=1 ttl=64 time=0 ms 16 bytes from 10.0.1.1: icmp_seq=2 ttl=64 time=0 ms 16 bytes from 10.0.1.1: icmp_seq=3 ttl=64 time=0 ms...

The clients are plugged directly into the Summit48si. It is a 1:1 scenario. This is for a multi-tenant office building, each office has three ports, and each port goes directly into a port on the switch. I am using three of Summit48si switches to have the required number of ports. SW1 vlan...

I am thinking that my issue may be that the switch is not routing. If I remove the DHCP server from the picture and I have the switch act as the DHCP server on my VLANS the clients get addresses right off, but they can not get out of the VLAN. Likewise, if I assign static addresses they are...

I tried changing from udp-profile back to bootprelay to simplify the issue. Nothing has changed. I still see the offer addressed to the MAC of the default route's NIC with an IP address of the VLAN interface. John C. Reid, President Computer and Network Services

Another link in the chain. I have GOT to be missing a needed routing rule to send the packet back to the client. Further investigation of the offer packet shows the destination MAC address to be the MAC of the network card in my gateway AKA the default route in my configuration. It seems the...

Am I missing the "Edit" link in these forums somewhere? I hate chain posting. Anyhow - Found the Broadcom "Checksum Offload" feature in the NIC Driver. I Disabled the checksum offload allowing the checksum to be calculated by the protocol stack, and the checksums are now correct. This, however...

I just noticed that the frames for the DHCP offer all have a bad header checksum. All of the DHCP offer frames have a header checksum of 0x0000. ???? Huh The DHCP server is a Windows 2003 server running on a Dell PowerEdge 2950 with GigE Broadcom cards. I have not a clue what could be causing...

OK, new switch - same issue. This one has 7.6.1.4 on it. Here is the config as I enter it verbatim on a factory default unconfigured switch. config banner ######################################### ## ## ## Summit48si Layer 3 routing switch ## ## This...

The config statement is in there, it is kind of buried in first post, but it is there. If I enter show dhcprelay I get: Number of datagrams forwarded: 1883 destination udp port: 67 Forward to IP: 10.0.1.2 Applied to incoming traphic on vlans: Default, ste101 To summarize - I...

I just did a show tech-support and I found this. I am not sure what it means but it shows the offers are not being forwarded. DHCP/BOOTP relay statistics: Received to server: 23 Received to client: 0 Requests relayed: 23 Responses relayed: 0 DHCP Discover: 20...

I am still working on this issue, or should I say banging my head against the desk? Anyhow, I noticed that it looked like the DHCP server is sending the offer to 10.0.101.1 which is the VLAN interface IP. Is this normal and correct? If so how does the client then get the request? Is the switch...

I have a Summit48si that is broken into several port based VLANs for a multi-tenant office building. Each office gets its own Class C network with 3 ports as such: Suite 101 - VLAN ste101 non-tagged on ports 5-7 - Network 10.0.101.x/24 with the VLAN address assigned 10.0.101.1 The DHCP Server...