"Reinitialize the MAC address of all network cards"

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gcastbr
Posts: 34
Joined: Wed Mar 22, 2017 5:43 pm

"Reinitialize the MAC address of all network cards"

Post by gcastbr » Sat Apr 22, 2017 2:32 pm

Hi Folks, I would like to know if there is "Reinitialize the MAC address of all network cards". I'm set up some VMX but it's necessary to change the mac-address from routers. It is a feature on Virtual Box. There is a similar for eve-ng?
Last edited by gcastbr on Tue Apr 25, 2017 3:02 pm, edited 2 times in total.

gcastbr
Posts: 34
Joined: Wed Mar 22, 2017 5:43 pm

Re: Setup Mac-address - Juniper VMX

Post by gcastbr » Sat Apr 22, 2017 8:19 pm

]Hi Guys,

for ipv4 I could changed and work but i have the same ipv6 link-local and I'm getting error:
Apr 22 19:43:41 R2 /kernel: ge-0/0/0: DAD detected duplicate IPv6 address fe80::205:86ff:feca:c500: NS in/out=0/3, NA in=1, manual intervention required.
Apr 22 19:43:41 R2 /kernel: ge-0/0/0: with possible hardware address duplication detected, disable IPv6 Family, recover with interface flap or new config
Apr 22 19:43:41 R2 /kernel: ge-0/0/0: DAD detected duplicate IPv6 address fe80::205:86ff:feca:c500: from NA packet, neighbor link layer address is 50:00:00:01:00:02


root@R1% ifconfig ge-0/0/0
ge-0/0/0: encaps: ether; framing: ether
flags=0x3/0xc000 <PRESENT|RUNNING>
curr media: i802 50:0:0:1:0:2
ge-0/0/0.0: flags=0x400c000 <UP|MULTICAST>
inet mtu 1500 local=20.0.0.0 dest=20.0.0.0/31
inet6 primary mtu 1500 local=2000:2000:2000:: dest=2000:2000:2000::/127
local=fe80::205:86ff:feca:c500 dest=fe80::/64 ------------------------------------------->>>>>>> link-local Router 1
multiservice primary mtu 4294967295


root@R2% ifconfig ge-0/0/0
ge-0/0/0: encaps: ether; framing: ether
flags=0x3/0xc000 <PRESENT|RUNNING>
curr media: i802 50:0:0:3:0:2
ge-0/0/0.0: flags=0x400c000 <UP|MULTICAST>
inet mtu 1500 local=20.0.0.1 dest=20.0.0.0/31
inet6 primary <hard down> mtu 1500 local=2000:2000:2000::1 dest=2000:2000:2000::/127
local=fe80::205:86ff:feca:c500 dest=fe80::/64 ------------------------------------------->>>>>>> link-local Router 2
multiservice primary mtu 4294967295

Someone knows how can change it? how can change the link-local, or generate another on vmx boot?

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