Personally i would connect up the 3750 to both 6500 switches, setup your 元 vlan interfaces for all the vlans you need, ensure that you are advertising out the relevant routes and then do your testing. It sounds like you have half a setup built. Either -Ī) the DHCP server is in vlan 75 so no need to do anything for DHCPī) the DHCP server is in a different vlan in which case you need an ip helper-address for the DHCP serverĤ) the NTP server - is this on a remote subnet ? If so make sure that there is a route back for the vlan 501 subnet because that is the source address when the 3750 pings. Make sure that -Ī) the 3750 has a 元 vlan interface for that vlan (it seems to have from your configs)ī) the 3750 is using the HSRP VIP address assigned to the 6500 元 vlan interface for 501 as it's default-gatewayĬ) the 6500 vlan interface for vlan 75. Have you interconnected these core switches with a trunk ?īasically you need to check these things -ġ) you have a management vlan for the switches - vlan 501. you say you have configured the mnagement vlan on both switches. It's also confusing as to the state of the core switches ie. And you don't even have a 元 interface for vlan 75 on the access-layer switch (which you shouldn't have so it is correct) so where would you configure DHCP ? What do you mean by this ? You can't configure anything to do with DHCP on the access-layer switch because it is L2. Core switch Config-Ĭan you provide full details rather than bits and bobs ie.ĭHCP service has been configured on access switch. Spanning-tree etherchannel guard misconfig Spanning-tree portfast bpdufilter default Any ideas what maybe missing or incorrect ? The Core has OSPF running between all Core Switches. ![]() However when configuring DHCP this fails to pickup an ip address. If I connect a PC to the Access Switch on Vlan 75 and configure static ip address of 10.130.75.1 / 255.255.255.0 Gatway 10.130.75.253, I can ping all devices fine. I have a cisco 3750 Access switch trunked to a single Cisco Core 6509 switch.
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