Static mac-address
Hi
static mac-address x.x.x.x vlan xx interface f0/0 interface f0/1
if this packet come to switch, switch will send out two interface or load-share on each interface
Thanks
Hi,
For interface-id, specify the interface to which the received packet is forwarded. Valid interfaces include physical ports and port channels. For interface-id, specify the interface to which the received packet is forwarded. Valid interfaces include physical ports or port channels. For static multicast addresses, you can enter multiple interface IDs. For static unicast addresses, you can enter only one interface at a time, but you can enter the command multiple times with the same MAC address and VLAN ID.
Regards,
Pravin
Similar Messages
-
Hyper-V Static MAC Address Best Practice
Hi guys,
Looking for some advice please..
We have several VM's running within a 6 node cluster that run an application which keeps losing it's license whenever the LAN MAC changes i.e. when the VM moves to a new node.
The obvious solution is to set these VM's with a STATIC MAC address however I have a few questions.
1. Is there a 'private' range I can use to ensure that we never see any conflicts?
2. What's the best way to implement this change? simply power off each machine and manually edit the settings or can I use SCVMM?
3. Will the VM's lose there current network card settings? static ip etc?
4. Will VM's set with a static MAC still fail over to other nodes?
Many thanks for your help
RobbieFor an answer you're much better off posting in the Hyper-V forum here:
https://social.technet.microsoft.com/Forums/en-US/winserverhyperv/threads
This forum is for Virtual Server 2005, no similarities to Hyper-V. -
Static MAC address without configuration
Hello,
i am a german guy, so please excuse my bad english.
I have a question about static MAC addresses on a WS-C3750G-48TS Switch.
I have no static adresses configured on my switch, but see some when execute the "show mac address-table static" command. And i mean not the 0000.0c07.ac01 addresse for HSRP, Spanning-tree or something else, which are forwarded to the CPU, i mean entries like this:
Switch#show MAC address-table interface g2/0/47
Mac Address Table
Vlan Mac Address Type Ports
3 1212.1212.1212 STATIC Gi2/0/47
3 1414.1414.1414 STATIC Gi2/0/47
Total Mac Addresses for this criterion: 2
This entries not configured or dynamicly learned.
I suspected functions like gratitious-arp, but this is only for IP<->MAC translation. Then i have searched functions like gratitious-mac or mac-notification. I have searched for a function with tells the switchport: "Hey, that is my MAC address. There is no need to learn this address dynamicly", but with no luck.
Does anybody can tell me, why these MAC addresses are shown static, and not dynamicly?
Thanks for help.
ThomasHi Thomas,
Are there any port-security related configurations in interface Gi2/0/47? Could you post the running-configuration of this interface in concern, output of show mac-address-table interface Gi2/0/47 and also could you let me know what is connected to this interface?
Thanks,
Arun -
SG200-8 Static mac address problem
Hi!
My second problem with sg200-08 (firmware: SG200-08x_FW_1.0.6.2.stk) is when I try to add specific MAC address as secure:
MAC Address Tables - Static Addresses - Add; insert vlan id, port, mac address and select "Secure":
I get error message: "Error: Failed to Add 'Static Address' entry.
Again, thanks for reply!
Best regards,
Boris Bahes.Moritz Lipfert wrote:I have the same problem using the current firmware 1.0.6.2. But even an upgrade by TFTP followed by a factory reset does not help. A downgrade to firmware 1.0.5.1 also does not fix this issue.Are there any other suggestions?
Strange as it may sound, try playing with compatibility mode in Internet Explorer. I have found that these switches interface respond well only in IE. -
Assigning static mac address via powershell
Hey,
in our company i have to change the mac addresses of all vms from dynamic to static.
so i wrote a little script, but the macadress wont swtich to static..
here is what i did, maybe you can help me (im new to powershell)
$vmname = "gpotest"
foreach($vm in $vmname)
$macaddress = get-vm -name $vm | get-VMNetworkAdapter | fl MacAddress
$macaddress = $macaddress | Out-String
$macaddress = $macaddress.Substring(17)
$macaddress = $macaddress.Insert(0,'"')
$macaddress = $macaddress.insert(13,'"')
get-vm -name $vm | get-VMNetworkAdapter | set-VMNetworkAdapter -StaticMacAddress $macaddress
thanks in advancePlease check the link below. I believe it answers most of your questions.
http://www.cisco.com/en/US/products/ps6441/products_configuration_guide_chapter09186a008071c342.html#wp1074511
regards,
Leo -
Hyper-V Failover Clustering MAC Address Question
Hello,
Can someone please explain how MAC address assignment works in a hyper-v cluster? I have a couple machines that need to have a static MAC address assigned and want to know how the cluster handles it when the VM is Live migrated to a new host. Thanks in advance.Hi ice2921,
Yes, after export and import to another Hyper-V host, the dynamic MAC address of the VM changes
after export and import to another Hyper-V host, the dynamic MAC address of the VM changes, this is by design.
As Alexey offered article, to have a dedicated Mac Address for the VMs they should be set to static MAC address, it is normal the dynamic assign to vm when the all the Hyper-v
host as there own MAC address range , this is by design of Hyper V and failover clustering when using Dynamic MAC addresses for VMs.
If you are using 2008R2 Hyper-V failover and you found it often lost the network connection and configuration, please install the hotfix.
Reinstalled the integration services
The network connection of a running Hyper-V virtual machine may be lost under heavy outgoing network traffic on a computer that is running Windows Server 2008 R2 SP1
http://support.microsoft.com/kb/2263829
I’m glad to be of help to you!
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected] -
802.1x sticky mac address
Hi,
We have a problem with 802.1x configuration via IP Phone.
PC (win7 with certificate)-------IP Phone (7911, 9.2.1s firmware)-----switch (2960, lab base 12.2(58)SE2)
Configuration on the port on the switch:
interface FastEthernet0/3
switchport access vlan 699
switchport mode access
switchport voice vlan 746
switchport port-security maximum 2
switchport port-security
switchport port-security mac-address sticky
switchport port-security mac-address sticky 0019.dbdd.42d4
switchport port-security mac-address sticky 001f.ca35.43c4 vlan voice
srr-queue bandwidth share 10 10 60 20
priority-queue out
authentication event fail retry 0 action authorize vlan 357
authentication event server dead action authorize vlan 82
authentication event no-response action authorize vlan 357
authentication event server alive action reinitialize
authentication port-control auto
authentication timer restart 0
mls qos trust device cisco-phone
mls qos trust cos
macro description cisco-phone
dot1x pae authenticator
dot1x timeout tx-period 5
auto qos voip cisco-phone
spanning-tree portfast
spanning-tree bpdufilter enable
spanning-tree bpduguard enable
service-policy input AutoQoS-Police-CiscoPhone
After shutting down the PC, port are moving in the d0t1x unauthorized state, but it is also removing sticky MAC address from the port configuration! Without sticky keyword, with adding static mac address via portsecurity on the port, everything is working fine, but I can not understand why dot1x port state are also removing sticky mac address ?
Most interesting part is that this is not happening if PC is directly connected to the switch, not via IP Phone.
Any idea?
Thank You in advanceHi Ted,
802.1X supports the port-based autehnticaion only but you can use it along with port-security to limit the MAC-addresses on the ports.
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12119ea1/3750scg/sw8021x.htm
HTH,
-amit singh -
ARP cache not adding MAC address
Hi,
We have a network in the company where visitors\customers can connect their PCs to pick up a IP address & access the internet via our cluster of Checkpoint firewalls. The problem we are having is that whenever somebody with a Mac tries to use this network they cannot access the internet although it works fine for all Windows based PCs. So to investigate I got hold of a IBook & made the following observations.
The gateway provided by the DHCP servers is a IP address (192.168.48.203) on a multicast mac address that represents both of the firewalls, which in turn have a physical address of 192.168.48.201 & 192.168.48.202 respectively. This is done to provide redundancy.
What happens on the IBook is that it picks up a DHCP address as well as the DNS & gateway address as supplied by the DHCP server, but then when you try to access the internet you have no joy. If you check the arp table you will then notice that the table have not been updated with the mac address of the 192.168.48.203 gateway. If you then manualy add the mac address of 192.168.48.203, using arp -s, it works fine or if you staticaly configure the IP address settings to use either 192.168.48.201 or 202 as gateways (which have unicast mac addresses) it also solves the problem & immediately updates the arp cache with the mac addresses of either of these two interfaces depending on which one you are using.
We put a sniffer on the network & could see that the mac address for 192.168.48.203 is being passed on to the IBook but for some reason it just does not update the arp cache with this details. Also tried this on some of the other networks we are running that uses the same concept & the same thing happens. As I mentioned no Windows hosts are having this problem & immediately updates their arp details to include the mac address of the .203 address.
On a Mac after obataining a DHCP address & running "netstat -r" you get the following:
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 192.168.48.203 UGSc 5 5 en1
127 localhost UCS 0 0 lo0
localhost localhost UH 9 2477 lo0
169.254 link#5 UCS 0 0 en1
192.168.48/22 link#5 UCS 1 0 en1
192.168.48.203 link#5 UHRLW 4 30 en1
192.168.51.1 localhost UHS 0 1 lo0
Then after adding the mac address manualy it looks as follows & works fine:
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 192.168.48.203 UGSc 26 6 en1
127 localhost UCS 0 0 lo0
localhost localhost UH 9 12353 lo0
169.254 link#5 UCS 0 0 en1
192.168.48/22 link#5 UCS 0 0 en1
192.168.48.203 1:0:5e:7c:0:48 UHLS 26 28 en1
192.168.51.1 localhost UHS
Any ideas why this is happening ?
Regards
IBook G4 Mac OS X (10.4.3)Hi,
I am facing exactly the same problem here with an iMac G5. I have called the apple support and the conclusion was that they have no clue for that and we should wait for an update that will hopefully resolve this.
I was also aksing them if there was a way in the mac to set a static mac address for the gateway in the macintosh so I don't have to run the terminal and type the arp -s every time I start up. They said it is out of the kind of support they can provide... Do you have an idea on how to add a static ARP entry in the table ?
Thank you. -
Hi,
I understand that each Hyper-v node in a cluster will have its own dynamic pool of MAC addresses that should be different between them. When a VM is started on a node it gets a MAC from this pool, if it's moved to another node and restarted it will get a
new MAC from the pool on that node. This is a concern for me as I don't want MAC addresses to change when VM's are restarted on different nodes, besides statically assigning a MAC address to EVERY single VM (which could be a fair few with the amount you can
host these days) is there any easier way to ensure once a VM has a MAC then it will always retain that MAC regardless of which node it is restarted on?
I am running Server 2012 R2 as the hyper-v host if that makes any difference.
Many thanks
SteveHi,
With Hyper-V you can configure a virtual machine to use a dynamic or a static MAC address for any given network adapter.
The default option is to use a dynamic MAC address – which means that Hyper-V will generate an initial MAC address for the network adapter, and it will regenerate the MAC
address if it believes it is necessary.
If you use static MAC addresses you need to manually specify the MAC address to use, but Hyper-V will never change it.
More information:
Hyper-V and Dynamic MAC Address Regeneration
http://blogs.msdn.com/b/virtual_pc_guy/archive/2010/05/14/hyper-v-and-dynamic-mac-address-regeneration.aspx
Hope this helps.
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place. -
Help setting VM's to use Static MAC using Powershell
Hi all,
I would like to create a powershell script to set all VM's with a Static MAC address on one of our Hyper-V Clusters.
So far I've managed to do this in the gui buy creating a new MAC Pool then shutting down 1 of the VM's and changing the network card from dynamic to static 00:00:00:00:00:00 within it's properties. After the changes are applied the VM is given a MAC address
from my MAC pool range.
I'd now like to create a script to do this for the remaining VM's - could somebody possibly help me out.. I have tried using the 'view script' button but I don't understand the output.
Many thanks for your help
RobbieSee this post:
https://social.technet.microsoft.com/Forums/en-US/886dcbd0-ffb8-4468-90aa-ee84aa5d2b3f/scvmm-2012-how-do-i-assign-a-static-mac-from-the-default-mac-address-pool-to-about-300-vms-with?forum=virtualmachinemanager
Brian Ehlert
http://ITProctology.blogspot.com
Learn. Apply. Repeat. -
Static MAC stay if interface down
Hello,
Due to business circonstance I need a static mac in my switch.
However, if the interface releated to this static mac is down the mac entry remain and cause all traffic to be dropped.
I would, this mac address to be learned only if a specific interface is down. otherwise my static entry should direct of this mac to this specific interface.
I need a static mac, but this also break redundancy if this specific interface is down :(Hi,
I am not sure whether this answers your specific requirement or not, but have you tried adding the 'auto-learn' option to the static mac-address entry - this seems to cause the switch to ignore the static mac address if the same mac address is learnt on another interface. Is that what you want or do you simply want the static mac address to have precedence over dynamically learnt mac addresses unless the line protocol of the static mac address interface goes down.
Very best wishess
Mike -
Multicast mac-address Nexus 7k
Hi,
i'm going to use Nexus 7000 in Data Center.
During analysis configuration, I need define mac-address-static configuration for multicast mac address for Firewall Checkpoint cluster.
In "Layer 2 Switching Configuration Guide, Release 4.1.pdf" documentation speak about
"Configuring a Static MAC Address
[..]You cannot configure broadcast or multicast addresses as static MAC addresses[..]"
Have you a suggestion to manage this problem and why is it not possible configure mac address static multicast?
Regards
DinoJoseph - The ClusterXL A/A configuration is a variation of the StoneSoft or Rainfinity clustering technologies that have been used to cluster Solaris and other *NIX flavored servers and firewalls for years. (In fact, StoneSoft filed suit against Check Point in Europe 8 or 9 years ago for patent violations, and lost.) These configurations were very common on Check Point clusters running on Solaris from the late 90's forward - and, as you describe, have unicast IP's with a multicast MAC for the VIP. Even from the days of installing these on the brand new (at the time) 2900 series switches you had to do exactly as you state above - static MAC entries (or in some cases port mirrors) so traffic was directed to both active switch ports. In Active/Passive mode Check Point ClusterXL clusters are almost always "plug and play" today - rarely do the switches need anything beyond speed/duplex settings. The VIP assumes the MAC of the physical NIC it is currently bound to, and therefore there are no issues as far as switch config or proxy ARP entries on the gateways. All of these issues have to do with traffic flowing to the VIP and through the firewall, and the ability of the switch to correctly identify which physical switch port(s) the VIP is currently patched in to. This is one of three types of traffic associated with ClusterXL itself. The second is state synchronization, which is accomplished through a crossover cable and therefore not relevant. Even when using a switch state sync is a typical TCP 18181 connection from a unicast IP/unicast MAC on one gateway to the other through a dedicated interface pair.
The challenge described by CJ is not with the traffic flowing to the VIP, however. It is an entirely separate process - Check Point Clustering Protocol (aka CPHA if filtering in WireShark) is essentially the heart beat traffic. Every interface pair within a Check Point cluster continually communicates with its "partner" interface on the other cluster members. If any packet takes over 100ms or shows more than a 5% loss the gateway is forced in to "probing" mode where it falls back to ICMP to determine the state of the other cluster member. Depending on the CPHA timing settings an active gateway will failover to the passive in as quickly as 500ms or so. ClusterXL will fail over the entire gateway to the standby to avoid complications with asynchronous routing.
Out of the box, CCP is configured to use multicast, but it supports broadcast as well. To change this in real time (no restart required) simply issue the command:
cphaconf set_ccp {broadcast/multicast}
At the Ethernet level, CCP traffic will always have a source MAC of the Magic MAC of 00:00:00:00:xx:yy where XX is the “Cluster ID” – something identical on each cluster member but unique from one cluster to another, and YY is the cluster priority (00, 01, etc.) based on the priority levels set on cluster members within Dashboard on the cluster object. The destination MAC will always be the Ethernet broadcast of ff:ff:ff:ff:ff:ff.
At the IP level the source of CCP will always appear as 0.0.0.0. The destination will always be the network address (ie, x.x.x.0).
Similarly in multicast mode you will see the same traffic at the IP level but at the Ethernet level the destination will now be a IPv4 multicast MAC (ie, 01:00:5e:4e:c2:1e).
In a tcpdump with the –w flag opened in WireShark and a filter applied of just “cpha” (without the quotes) you should see a continual stream of traffic with the same source and destination IPs on all packets (0.0.0.0 and network IP), the destination of either a bcast or mcast MAC and the source MAC alternating between 00:00:00:00:xx:00 and 00:00:00:00:xx:01.
Long story short, the problem CJ is describing is a behavior on the 7K where a packet capture taken on the Check Point interface itself (ie, tcpdump –i eth0 –w capture.cap) ONLY shows CPHA traffic from it’s own source MAC and no packets from it’s partner. A tcpdump on the 7K itself will show traffic from both.
As CJ mentioned, a simple NxOS upgrade will fix the issue per:
This one:CSCtl67036 basically pryer to NX-OS 5.1(3) the nexus will discard packets that have a source of 0.0.0.0. Which in broadcast mode is exactly what the CCP heartbeat is. We bypassed this one.CSCsx47620 is the bug for the for static multicast MAC address feature but it requires 5.2 code on the 7k
(NOTE:Additional RAM may be required for the 5.2 update)
Also note that Check Point gateways do support IGMP multicast groups, given that you have the correct license. It is a feature of SecurePlatform Professional on the higher end gateways or as a relatively inexpensive upgrade on the lower end boxes or open platforms. For lab purposes you can simply type “pro enable” at the CLI (without the quotes). As of the latest build there is no technical limitation (no license check) so you can enable advanced routing features as needed for testing in a lab. For step by step details on configuring IGMP on SPLAT Pro go to the Check Point support site and search for sk32702.
This can be a frustrating issue to troubleshoot, so hopefully this helps someone avoid the headaches I ran in to. -
Cat 2960 shows mac address port as "Drop"
Hi all
I am configuring a Cat 2960 port for connecting a VOIP phone, authenticated by MAB. On connecting the phone, I get the port authenticated and assigned to the correct VLAN, with LLDP-MED advertising the correct voice vlan. However, I then see no traffic from the phone on the switch. I can see the MAC address of the phone is learned in the right VLANs, but the mac address is showing as "Drop", which normally means the address is statically configured to be blocked. There is no static mac address table blocking configured on the switch. Can anyone suggest why this is happening?
Switch Version
Switch Ports Model SW Version SW Image
* 1 50 WS-C2960-48TC-L 15.0(1)SE3 C2960-LANBASEK9-M
Port configuration
interface FastEthernet0/1
description "Standard user port"
switchport access vlan 9
switchport mode access
network-policy 1
no logging event link-status
srr-queue bandwidth share 5 10 40 55
priority-queue out
authentication host-mode multi-auth
authentication order dot1x mab
authentication priority dot1x mab
authentication port-control auto
authentication timer reauthenticate server
mab eap
mls qos trust dscp
no snmp trap link-status
macro description vanilla_port
dot1x pae authenticator
dot1x timeout tx-period 3
dot1x timeout supp-timeout 3
spanning-tree portfast
end
LLDP-MED network-policy
network-policy profile 1
voice vlan 835
Authentication (debug radius) result
Jul 30 11:42:19.600: %AUTHMGR-5-START: Starting 'mab' for client (0004.f297.6668) on Interface Fa0/1 AuditSessionID 0AF0042200000063616A0592
Jul 30 11:42:19.650: %MAB-5-SUCCESS: Authentication successful for client (0004.f297.6668) on Interface Fa0/1 AuditSessionID 0AF0042200000063616A0592
Jul 30 11:42:19.650: %AUTHMGR-7-RESULT: Authentication result 'success' from 'mab' for client (0004.f297.6668) on Interface Fa0/1 AuditSessionID 0AF0042200000063616A0592
Jul 30 11:42:20.682: %AUTHMGR-5-SUCCESS: Authorization succeeded for client (0004.f297.6668) on Interface Fa0/1 AuditSessionID 0AF0042200000063616A0592
Resulting Switchport config - voice vlan is 835
CLBdg640Test-AS2960-0#show int fa0/1 switchport
Name: Fa0/1
Switchport: Enabled
Administrative Mode: static access
Operational Mode: static access
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: native
Negotiation of Trunking: Off
Access Mode VLAN: 9 (NATIVE-DISCARD)
Trunking Native Mode VLAN: 1 (default)
Administrative Native VLAN tagging: enabled
Voice VLAN: 835 (VOICE)
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk Native VLAN tagging: enabled
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk associations: none
Administrative private-vlan trunk mappings: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL
Protected: false
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled
Appliance trust: none
LLDP neighbor info showing voice vlan 835
CLBdg640Test-AS2960-0#sh lldp neighbors fa0/1 detail
Chassis id: 0.0.0.0
Port id: 0004.f297.6668
Port Description - not advertised
System Name - not advertised
System Description - not advertised
Time remaining: 3558 seconds
System Capabilities: T
Enabled Capabilities: T
Management Addresses - not advertised
Auto Negotiation - supported, enabled
Physical media capabilities:
100base-T2(HD)
100base-TX(FD)
100base-T4
10base-T(FD)
Media Attachment Unit type - not advertised
Vlan ID: - not advertised
MED Information:
MED Codes:
(NP) Network Policy, (LI) Location Identification
(PS) Power Source Entity, (PD) Power Device
(IN) Inventory
Inventory information - not advertised
Capabilities: NP
Device type: Endpoint Class III
Network Policy(Voice): VLAN 835, tagged, Layer-2 priority: 5, DSCP: 46
PD device, Power source: PSE, Power Priority: High, Wattage: 6.5
Location - not advertised
Total entries displayed: 1
MAC address table showing "Drop" port for learned address in VLAN 835
CLBdg640Test-AS2960-0#sh mac address-table address 0004.f297.6668
Mac Address Table
Vlan Mac Address Type Ports
9 0004.f297.6668 STATIC Fa0/1
835 0004.f297.6668 DYNAMIC Drop
Total Mac Addresses for this criterion: 2Thanks for updating the problem raarons!
-
I want to understand the differences in the way you can reserve a static address for a device on the network. I had previously set the device itself to an address and then reserved it with DHCP Client ID, which I thought was just the devices static addresss. I'm not sure if this was in fact correct or just happend to work. I know what a MAC address is, but I'm not really sure what the DHCP Client ID is. So it would be great if someone could clarify it, and the difference between reserving address by MAC Address or DHCP Client ID.
A MAC address is a unique identification consisting of letters and numbers in a form that looks like this:
xx:xx:xx:xx:xx:xx
Every network device has a MAC address, which can be found on a label on the bottom or back of the device. Apple calls this the Ethernet ID.
A DHCP Client ID is an optional name that you can assign to a device. For example, on your Mac....
Open System Preferences (gear icon on the dock)
Open Network
Click on Ethernet
Click Advanced at the lower right
You may be able to edit the DHCP Client ID here....for example.....you could enter MJ500's MacBook in the space provided. That would be the Client ID of your Mac. -
Set Static IP address on Mac clients
Hi,
I'm trying to change the IP address on a mac client at startup time to a different value and to be Static type. I need to do it via the command line. I've researched and found out that 'networksetup -setmanual ...' and 'ipconfig set en0 MANUAL ...' would do it, but the 'networksetup' command is not available unless I have ARD installed and 'ipconfig' is not recommended for use other than testing and debug.
Another option I was looking at is editing /Library/Preferences/SystemConfiguration/preferences.plist and then doing 'changeip ...' command.
Do you know if there are any other commands that will allow me to change an ip address via the command line, set it to Static/Manual and preferably do it without a reboot?
Thank youHi Sergey,
when I use static IP in my jwc_properties.ini it is never picked up, it still uses DHCP. The part where I have configured IP looks like this:
# Whether static configuration or DHCP server is used do get IP address. Possible values: dhcp,static
ip.method = static
# IP address,used with static IP configuration only
ip.addr = 10.143.144.97
# Network mask,used with static IP configuration only
ip.netmask = 255.255.252.0
# Network gateway,used with static IP configuration only
ip.gateway = 10.143.144.1
# DNS server,used with static IP configuration only
ip.dns =
# MAC address
mac.addr =
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