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 Post subject: dot1q on JunOS 8.5
PostPosted: Thu Jun 30, 2011 1:37 pm 
Does anyone know if there's an issue using dot1q frame tagging between Juniper routers in Olive? I have to routers directly connected and was trying to pass multiple tags between them on different routing tables. I've since pared down my config to the bare minimum to try and find out what part isn't working and I think I've gotten to the bottom of it. Does anyone see anything wrong with my config? If I take the tagging out of the config, the 2 devices can ping each other. They can not as configured like so:

[email protected]> show configuration interfaces em3
vlan-tagging;
unit 1 {
vlan-id 1;
family inet {
address 172.20.111.1/24;
}
}

[email protected]>[email protected]> ping 172.20.111.10
PING 172.20.111.10 (172.20.111.10): 56 data bytes
^C
--- 172.20.111.10 ping statistics ---
3 packets transmitted, 0 packets received, 100% packet loss

[email protected]>

[email protected]> show configuration interfaces em0
vlan-tagging;
unit 1 {
vlan-id 1;
family inet {
address 172.20.111.10/24;
}
}

[email protected]> ping 172.20.111.1
PING 172.20.111.1 (172.20.111.1): 56 data bytes
^C
--- 172.20.111.1 ping statistics ---
2 packets transmitted, 0 packets received, 100% packet loss

[email protected]>


Here's the same thing working without dot1q tagging.

[email protected]> show configuration interfaces em0
unit 0 {
family inet {
address 172.20.111.10/24;
}
}

[email protected]> ping 172.20.111.1
PING 172.20.111.1 (172.20.111.1): 56 data bytes
64 bytes from 172.20.111.1: icmp_seq=0 ttl=64 time=5.139 ms
64 bytes from 172.20.111.1: icmp_seq=1 ttl=64 time=0.337 ms
64 bytes from 172.20.111.1: icmp_seq=2 ttl=64 time=0.472 ms
^C
--- 172.20.111.1 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.337/1.983/5.139/2.233 ms

[email protected]>

[email protected]> show configuration interfaces em3
unit 0 {
family inet {
address 172.20.111.1/24;
}
}

[email protected]> ping 172.20.111.10
PING 172.20.111.10 (172.20.111.10): 56 data bytes
64 bytes from 172.20.111.10: icmp_seq=0 ttl=64 time=1.121 ms
64 bytes from 172.20.111.10: icmp_seq=1 ttl=64 time=0.426 ms
64 bytes from 172.20.111.10: icmp_seq=2 ttl=64 time=0.375 ms
^C
--- 172.20.111.10 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.375/0.641/1.121/0.340 ms

[email protected]>


Any ideas or is this a bug I just have to deal with?

~rdnjr1234




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 Post subject: Re: dot1q on JunOS 8.5
PostPosted: Wed Jul 06, 2011 8:18 pm 
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Joined: Wed Jul 06, 2011 8:16 pm
Posts: 5
Hi rdnjr1234,

I am experiencing the same problem, running JunOS 8.3R2.8. Have you been able to fix it anyway?

Anyone knows if an upgrade would solve this issue?

Thanks!




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