I would like to only allow users coming from a certain IP address to be able to configure a switch remotely.
We have some 33xx series switches that we monitor remotely and we believe a user that is connected to the switch is breaking in and changing the configuration.
You can configure a management access-list to permit only the management traffic you want to allow. See the following link to the online CLI Guide for more information on management access-lists:
When I issue the "management access-class mlist" to make the "mlist" the active access-list I'm unable to connect to the switch via a web browser from port 1/e24 or any other port.
Using a management access-list to permit only management traffic from a physical ethernet port only works if you have bound an IP address to that port.
You can accomplish the same results using one of the following methods:
Use the "permit ip-source ipaddress" command to permit only the ip address of your management station.
Remove the IP address from VLAN 1 and bind it to interface 1/e24. This will basically make the port act as an out-of-band port. Only a client connected to the port will be able to manage the switch. However, the client will no longer participate on the network.
Yes, you're correct. The configuration of a management ACL (Access Control List) on your switch, such as the Dell 6248, is designed to control access to the management interface of the switch itself. This means it will only affect traffic that is intended to manage the switch, like SSH, Telnet, SNMP, etc.
Other types of traffic, such as HTTP, HTTPS, DNS, and ping, that are used by devices connected to the switch for general network communication, will not be affected by the management ACL. These types of traffic will continue to flow normally unless you have other ACLs or firewall rules in place that specifically restrict them.
thanks
DELL- Marco B
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GregG1
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Posted December 3rd, 2004 12:00