Can you configure ACL on Cisco switch?

The switch can use ACLs on all packets it forwards. You configure access lists on a router or Layer 3 switch to provide basic security for your network. If you do not configure ACLs, all packets passing through the switch could be allowed onto all parts of the network.

What is the ACL numbered range for configuring standard ACL?

between 1–99 and 1300–1999
ACL number for the standard ACLs has to be between 1–99 and 1300–1999. Once the access list is created, it needs to be applied to an interface. You do that by using the ip access-group ACL_NUMBER in|out interface subcommand. in and out keywords specify in which direction you are activating the ACL.

Which statement is correct about an ACL?

An ACL have must at least one permit action, else it just blocks all traffic. An ACL has a an implicit permit at the end of ACL. ACLs will check the packet against all entries looking for a match.

What are the types of ACL?

There are two types of ACLs:

  • Filesystem ACLs━filter access to files and/or directories. Filesystem ACLs tell operating systems which users can access the system, and what privileges the users are allowed.
  • Networking ACLs━filter access to the network.

How do I create an ACL VLAN?

All packets entering the VLAN are checked against the VACL….VLAN ACL (VACL)

  1. Define the standard or extended access list to be used in VACL –
  2. Define a VLAN access map –
  3. Configure an action clause in a VLAN access map sequence –
  4. Apply the VLAN access map to the specified VLANs –
  5. Display VLAN access map information –

Can you apply an ACL to a VLAN interface?

To apply access control to both bridged and routed traffic, you can use VACLs alone or a combination of VACLs and ACLs. You can define ACLs on the VLAN interfaces to apply access control to both the ingress and egress routed traffic.

Which command is standard numbered ACL syntax?

The command syntax of a standard ACL is as follows: router(config)#access-list access-list-number {permit | deny} {source [source-wildcard] | host hostname | any}

What is ACL configuration in Cisco?

Cisco Access List Configuration Examples (Standard, Extended ACL) on Routers Etc An Access Control List (ACL) is a list of rules that control and filter traffic based on source and destination IP addresses or Port numbers. This happens by either allowing packets or blocking packets from an interface on a router, switch, firewall etc.

How do I apply an ACL on a specific interface?

For example “in” means inbound to the interface and “out” means outbound from the interface. The ACL is then applied on a specific interface using the “ access-group ” command. You can identify an access list by giving it a name or number as discussed above. Here is a set of commands you would use:

What is the ACL statement of a host?

Consider that hosts refer to a single endpoint only whether it is a desktop, server or network device. ACL statement reads from left to right as – permit all tcp traffic from source host to destination host that is Telnet (23).

What is the use of ACL statement in Telnet?

ACL statement reads from left to right as – permit all tcp traffic from source host to destination host that is Telnet (23). TCP refers to applications that are TCP-based. The UDP keyword is used for UDP-based applications such as SNMP for example. Refer to the network topology drawing.