Dell PowerConnect 6224 Support Question
Dell PowerConnect 6224 Support Question
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Question posted by haocpet on August 10th, 2014
How To Set Dynamic Arp On Powerconnect Switches
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Related Dell PowerConnect 6224 Manual Pages
Command Line Interface Guide - Page 56
...Configures and displays LACP information.
Spanning Tree
Configures and reports on the switch. CDP Interoperability Configures Cisco Discovery Protocol (CDP).
DHCP Snooping
Configures DHCP ...activity on specific target ports. Radius
Configures and displays RADIUS information.
Dynamic ARP Inspection Configures for an interface. IGMP Snooping Querier Configures IGMP Snooping ...
Command Line Interface Guide - Page 274
To set no ip arp inspection limit • none - The default burst interval is not rate limited for Dynamic ARP Inspection. Configuring 'none' for an interface. The user needs to configure the rate limit and burst interval values for the limit means the interface is 1 second. Syntax ip arp inspection limit { none | rate pps [ burst interval...
Command Line Interface Guide - Page 655
... The following example shows show arp [brief] [switch] • brief - Display ARP cache for the switch. console#show arp Age Time (seconds 1200 Response Time (seconds 1 Retries 4 Cache Size 896 Dynamic Renew Mode Enable Total Entry Count Current / Peak 1 / 1 Static Entry Count Configured / Active / Max .. 0 / 0 / 64
console#show arp switch
ARP Commands
655
Default Configuration...
User's Guide - Page 23
....
Dynamic ARP Inspection Dynamic ARP Inspection (DAI) is a security feature that filters IP packets based on specific VLANs. The feature prevents a class of being flooded to only those interfaces associated with IP multicast address. In IPv6, MLD snooping performs a similar function. Introduction
23 Switching Features
IPv6 Access Control Lists An IPv6 ACL consists of a set of...
User's Guide - Page 287
7
Configuring Switching Information
Overview
This section provides all system operations and general information for network security, ports, address tables,... Status • MLD Snooping • Configuring the Link Layer Discovery
Protocol (LLDP) • Creating Link Dependencies • Dynamic ARP Inspection • DHCP Snooping • DHCP Relay
Configuring Switching Information
287
User's Guide - Page 438
... in the DHCP snooping bindings database. Adds member port-channels to configure global DAI settings. Adds the dependent Ethernet ports list. Shows the link dependencies configured on DHCP snooping. Dynamic ARP Inspection
Dynamic ARP Inspection (DAI) is enabled, the switch drops ARP packets whose sender MAC address and sender IP address do not match an entry in...
User's Guide - Page 439
... Inspection Commands The following fields:
• Validate Source MAC -
Configuring Dynamic ARP Inspection Global Settings With CLI Commands
For information about the CLI commands that perform this feature. Configuring Switching Information
439 Displays the Dynamic ARP Inspection configuration on the received ARP packets. If you select Enable, Sender MAC validation for this function...
User's Guide - Page 440
... Switching Information Use the corresponding check box to ARP inspection. If you select Disable, the interface is 15 packets per second (pps).
• Burst Interval - Specify the burst interval for which data is trusted for Dynamic ARP Inspection. ARP packets coming to this interface will be subjected to set No Limit. Dynamic ARP Inspection Interface Configuration
The Dynamic ARP...
User's Guide - Page 441
... Disabled on all the DAI enabled interfaces. Configures an interface as the filter for an interface. To display the DAI VLAN Configuration page, click Switching →Dynamic ARP Inspection →VLAN Configuration in the navigation tree. Configuring Switching Information
441
Figure 7-108. The default is Disable.
• Logging Invalid Packets - Table 7-59.
Select whether...
User's Guide - Page 442
...Packet needs further validation by the ARP ACL Rules only. Table 7-60.
Dynamic ARP Inspection VLAN Commands
CLI Command ip arp inspection filter
ip arp inspection vlan
show ip arp inspection vlan
Description
Configures the ARP ACL to filter invalid ARP packets. To display the DAI ARP ACL Configuration page, click Switching →Dynamic ARP Inspection →ACL Configuration in the CLI...
User's Guide - Page 443
... chapter in the navigation tree.
Figure 7-110.
The name can be 1 to add or remove DAI ARP ACL Rules. To display the DAI ARP ACL Rule Configuration page, click Switching →Dynamic ARP Inspection → ACL Rule Configuration in the CLI Reference Guide: • Dynamic ARP Inspection Commands
The following table summarizes the equivalent CLI commands for...
User's Guide - Page 444
... the following chapter in the CLI Reference Guide:
• Dynamic ARP Inspection Commands
444
Configuring Switching Information To create a new rule for the selected ARP ACL, enter in this field the Sender IP
Address match value for which information is to the following fields: • ARP ACL Name - Displaying the DAI ACL Rule Summary Table...
User's Guide - Page 445
... Switching →Dynamic ARP Inspection →Statistics in ARP packet validation. Configuring Switching ...set on this VLAN.
• DHCP Permits -
The number of ARP packets that were forwarded by DAI because there was a matching DHCP snooping binding entry found for this VLAN.
The following fields:
• VLAN ID - Dynamic ARP Inspection Statistics
The Dynamic ARP...
User's Guide - Page 446
... - DHCP Snooping
DHCP snooping is other than the interface where the message was received.
• On untrusted interfaces, the switch drops DHCP packets whose source MAC address does not match the client hardware address.
Viewing Dynamic ARP Inspection Statistics With CLI Commands
For information about the CLI commands that are dropped if for...
User's Guide - Page 465
... Commands The following table summarizes the equivalent CLI commands for this function, refer to set of VLANs. Table 7-75. DHCP Relay VLAN Configuration Commands
CLI Command dhcp l2relay ... user to set the DHCP Option 82 Circuit ID for a set the DHCP Option 82 Remote ID for a VLAN. Open the DHCP Relay VLAN Configuration page. 2.
Configuring Switching Information
465 Displaying...
Release Notes - Page 7
...switches). PowerConnect 6224/6224F/6224P/6248/6248P Release Notes
¾ MLD Snooping (RFC2710)
In IPv4, Layer 2 switches... can use IGMP Snooping to limit the flooding of the ports in -the-middle attacks, where an unfriendly station intercepts traffic for Voice VLAN
Allow the user to configure the voice VLAN DSCP parameter and set...¾ Dynamic ARP Inspection
Dynamic ARP Inspection (...
Configuration Guide - Page 56
... VLAN ID, port) authorized tuples. Network administrators can configure both the rate and the burst interval.
56
Switching Configuration DHCP servers must do "no shutdown" on interfaces. DHCP snooping enforces the following security rules: •... the VLAN to validate ARP packets. Dynamic ARP Inspection uses the DHCP snooping bindings database to be reached through trusted ports.
Configuration Guide - Page 169
... OSPFv3 Route Table Manager SIM
Voice VLAN
Checkpointed Data Dynamic ARP entries Calls in progress Authenticated clients Address bindings (persistent) DHCP bindings database Internal VLAN assignments Spanning tree port roles, port states, root bridge, etc.
IP address, network mask, default gateway on the switch that is checkpointed.
VoIP phones identified by CDP or...
Configuration Guide - Page 172
... and VoIP
Phone A
LAG
Phone B
DHCP Snooping Scenario Figure 9-3 illustrates an L2 access switch running DHCP snooping. Assume the top unit is immediately disconnected. The stack resumes sending LLDPDUs with... server has assigned to verify that ARP messages contain a valid sender IP address and sender MAC address. Dynamic ARP Inspection (DAI) uses the bindings database to each host. Figure...
Configuration Guide - Page 173
...hosts connected to the CPU. If Dynamic ARP Inspection is enabled on untrusted ports. Utility
173 The hardware on surviving units continues to enforce source filters IPSG installed prior to the CPU on the access switch, the hardware traps ARP packets to the failover. Thus,... control plane has resumed operation and messages get through. During a restart, the control plane drops ARP packets.
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