Linksys SFE2000 Switch User Manual


 
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Chapter 4:
SFE2000/SFE2000P Gigabit Ethernet Switch Reference Guide
Chapter
4
ICMP — Indicates if ICMP packets are permitted on the network. The possible field values are as
follows:
.
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.
IGMP — Filters packets by IGMP message or message types.
Source IP Address — Matches the source port IP address to which packets are addressed to the
ACE.
Dest. IP Address — Matches the destination port IP address to which packets are addressed to the
ACE.
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.
Source Port — Defines the TCP/UDP source port to which the ACE is matched. This field is active
only if 800/6-TCP or 800/17-UDP are selected in the Select from List drop-down menu. The
possible field range is 0 - 65535.
Destination Port — Defines the TCP/UDP destination port. This field is active only if 800/6-TCP
or 800/17-UDP are selected in the Select from List drop-down menu. The possible field range is 0 -
65535.
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.
Adding an IP Based Rule
1. Click Security Suite > Access Control > IP Based ACL. The IP Based ACL Page opens:
2. Click the Add ACL Rule button. The Add IP Based Rule Page opens: