Linksys SGE2000 Cisco Small Business SFE/SGE2xxx Series Managed Switches Admin - Page 127
ICMP Code, IP Address, Prefix Length, Match DSCP, Match IP Precedence, Permit, Shutdown
UPC - 745883572120
View all Linksys SGE2000 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 127 highlights
Configuring Device Security Defining Access Control 4 • ICMP Code - Indicates and ICMP message code for filtering ICMP packets. ICMP packets that are filtered by ICMP message type can also be filtered by the ICMP message code. • Source - IP Address - Matches the source port IP address from which packets are addressed to the ACE. - Prefix Length - Matches the IP route prefix for the destination IP. The prefix length must be preceded by a forward slash /. • Destination - IP Address - Matches the destination port IP address to which packets are addressed to the ACE. - Prefix Length - Matches the IP route prefix for the destination IP. The prefix length must be preceded by a forward slash /. • Traffic Class - Indicates the traffic class to which the packet is matched. Select either Match DSCP or Match IP Precedence. • Match DSCP - Matches the packet to the DSCP tag value. • Match IP Precedence - Matches the packet IP Precedence value to the ACE. Either the DSCP value or the IP Precedence value is used to match packets to ACLs. The possible field range is 0-7. • Action - Indicates the action assigned to the packet matching the ACL. Packets are forwarded or dropped. In addition, the port can be shut down, a trap can be sent to the network administrator, or packet is assigned rate limiting restrictions for forwarding. The options are as follows: - Permit - Forwards packets which meet the ACL criteria. - Deny - Drops packets which meet the ACL criteria. - Shutdown - Drops packet that meets the ACL criteria, and disables the port to which the packet was addressed. Ports are reactivated from the Port Management page. STEP 3 Define the relevant fields, STEP 4 Click Apply. The IP Based ACL is defined, and the device is updated. Cisco Small Business SFE/SGE Managed Switches Administration Guide 118