Cisco Catalyst 9500 series Configuration Manual page 44

Controlling Source Information that Your Switch Originates
Step 4
Step 5
Step 6
Step 7
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
34
Command or Action
Use one of the following:
• access-listaccess-list-number
{deny| permit}
source
[source-wildcard]
• access-listaccess-list-number
{deny| permit}
protocol source
source-wildcard destination
destination-wildcard
Example:
Device(config)# access list 21
permit 194.1.22.0
or
Device(config)# access list 21
permit ip 194.1.22.0 1.1.1.1
194.3.44.0 1.1.1.1
end
Example:
Device(config)# end
show running-config
Example:
Device# show running-config
copy running-config
startup-config
Example:
Device# copy running-config
Purpose
Creates an IP standard access list, repeating the command as
many times as necessary.
or
Creates an IP extended access list, repeating the command as
many times as necessary.
• access-list-number—Enters the same number created in
Step 2. The range is 1 to 99 for standard access lists
and 100 to 199 for extended lists.
• deny—Denies access if the conditions are matched. The
permit keyword permits access if the conditions are
matched.
• protocol—Enters ip as the protocol name.
• source—Enters the number of the network or host from
which the packet is being sent.
• source-wildcard—Enters the wildcard bits in dotted
decimal notation to be applied to the source. Place ones
in the bit positions that you want to ignore.
• destination—Enters the number of the network or host to
which the packet is being sent.
• destination-wildcard—Enters the wildcard bits in dotted
decimal notation to be applied to the destination. Place
ones in the bit positions that you want to ignore.
Recall that the access list is always terminated by an implicit
deny statement for everything.
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the configuration file.
Configuring MSDP