Chapter 51 Packet Filter Commands
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where
This command sets the packet type filter for the specified ADSL port(s).
The following example sets ADSL port 9 to reject ARP, PPPoE and IGMP packets.
51.1.3 Packet Filter PPPoE Only Command
Syntax:
ras> switch pktfilter pppoeonly <portlist>
<portlist>
=
You can specify a single ADSL port <1>, all ADSL ports <*> or
a list of ADSL ports <1,3,5>. You can also include a range of
ports <1,5,6~10>.
[filter]
=
[pppoe] Reject PPPoE packets.
(Point-to-Point Protocol over
Ethernet) relies on PPP and Ethernet. PPPoE is a specification
for connecting the users on an Ethernet to the Internet through a
common broadband medium, such as a single DSL line,
wireless device or cable modem.
[ip] Reject IP packets. Internet Protocol. The underlying
protocol for routing packets on the Internet and other TCP/IP-
based networks.
[arp] Reject ARP packets. Address Resolution Protocol is a
protocol for mapping an Internet Protocol address (IP address)
to a physical computer address that is recognized in the local
network.
[netbios] Reject NetBIOS packets. (Network Basic Input/Output
System) are TCP or UDP packets that enable a computer to
connect to and communicate with a LAN.
[dhcp] Reject DHCP packets. Dynamic Host Configuration
Protocol automatically assigns IP addresses to clients when they
log on. DHCP centralizes IP address management on central
computers that run the DHCP server program. DHCP leases
addresses, for a period of time, which means that past addresses
are “recycled” and made available for future reassignment to
other systems.
[eapol] Reject EAPol packets. EAP (Extensible Authentication
Protocol, RFC 2486) over LAN. EAP is used with IEEE 802.1x
to allow additional authentication methods (besides RADIUS)
to be deployed with no changes to the access point or the
wireless clients.
[igmp] Reject IGMP packets. Internet Group Multicast Protocol
is used when sending packets to a specific group of hosts.
[none] Accept all packets.
Figure 203
Packet Filter Set Command Example
ras> switch pktfilter set 9 arp pppoe igmp
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Страница 116: ...Chapter 13 Switch Setup IES 1248 71 73 User s Guide 116 ...
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Страница 166: ...Chapter 19 VLAN IES 1248 71 73 User s Guide 166 ...
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Страница 222: ...Chapter 31 PPPoA to PPPoE IES 1248 71 73 User s Guide 222 ...
Страница 226: ...Chapter 32 DSCP IES 1248 71 73 User s Guide 226 ...
Страница 240: ...Chapter 36 Syslog IES 1248 71 73 User s Guide 240 ...
Страница 248: ...Chapter 37 Access Control IES 1248 71 73 User s Guide 248 ...
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Страница 259: ...Chapter 39 Alarm IES 1248 71 73 User s Guide 259 ...
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Страница 296: ...Chapter 44 Commands IES 1248 71 73 User s Guide 296 ...
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Страница 320: ...Chapter 47 DHCP Commands IES 1248 71 73 User s Guide 320 ...
Страница 328: ...Chapter 48 IEEE 802 1Q Tagged VLAN Commands IES 1248 71 73 User s Guide 328 ...
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Страница 348: ...Chapter 50 IGMP Commands IES 1248 71 73 User s Guide 348 ...
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Страница 437: ...437 PART VI Appendices and Index Product Specifications 439 Legal Information 449 Index 457 ...
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Страница 452: ...Appendix C Legal Information IES 1248 71 73 User s Guide 452 ...
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