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Not able to access hosts in particular L3 subnet

I have Juniper 4500/4200 switches; 4500 configured as L3 and multiple L3 subinterfaces are created  and tagged across  4200 switches in differnet locations. My problem is that I am not able to access...

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Re: Not able to access hosts in particular L3 subnet

Hi, I guess you are using RVI or irb for the L3 interfaces and segregating the subnets by VLANs.Can you see the mac-addresses in the mac table for the hosts that are unreachable?Can the hosts ping...

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Re: EX4300 with active QSFP+ DAC cables

The content from this link shows that the supported 40 GbE QSFP+ optic/connector types include 40GbE QSFP+ LCconnector type, SR (multimode), DAC. So, active QSFP+ DAC cables work with the EX4300. You...

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Re: EX4200 Firewall Filter on A VLAN

Thanks for this but this still does not work. I can still RDP from 192.168.1.0/24 as well as any other subnet. I am looking to add this firewall filter to the VLAN or the VLAN Interface. I have tried...

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Re: EX4200 Firewall Filter on A VLAN

Hi, Can you please elaborate on which interface you applied the filter.If you share the config, it might be helpful. You could also apply the filter as an output filter if you're applying it on the...

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Re: Trunk between Juniper EX4200 & Cisco 2960X disconnect randomly?

Hi,  Good to hear its finally resolved.I wonder if applying "set protocol vstp vlan 1"  when vlan 1 is still present on the trunk would have resolved the issue. Cheers,Ashvin

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Re: Trunk between Juniper EX4200 & Cisco 2960X disconnect randomly?

mmm, that's a good idea. Maybe when this all finish I could try it and give you feedback Now I have to  set DHCP from behind this juniper to a cisco 2960 pointing to my virtual 10.72.0.30 and really...

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EX4200 RVI, forwarding option, Gateway an virtual IP error

Hi and thanks in advance I have 8 EX4200 like my IDF CORE  This one connects to 10  more virtual chassis This IDF-CORE has a Virtual IP, Virtual router, or whatever is its name  10.72.0.30 This is the...

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Re: qfx 5100 48 t 1G interface configuration (ge-x/x/x)vs 10G xe-x/x/x

Two PRs have been filed.

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Re: Not able to access hosts in particular L3 subnet

I am able to see the mac-address table of all the hosts in affected vlan and even arp entries also.Hosts in that subnet are also able to ping the default gateway as well. Scenario is simple. One L3...

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Re: EX4200 RVI, forwarding option, Gateway an virtual IP error

Hi I am able to see the default route pointed towards 10.72.0.53.+ = Active Route, - = Last Active, * = Both0.0.0.0/0 *[Static/5] 2w2d 23:40:01> to 10.72.0.53 via vlan.0 Are you able to ping this IP...

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Purpose of using tag numbers/values in routing table

What is the use of using tag values  in routing under EX series switches ? How to use tag numbers while implemenation ? Please provide me any example . Thanks !!   

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Re: Purpose of using tag numbers/values in routing table

Hi, Tagging routes can help to ease administration especially if the routes need to be re-exported / re-distributed. It also comes handy when you want to manipulate dynamic routes [Import / Export]...

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Re: Not able to access hosts in particular L3 subnet

Hi, Are you able to ping the hosts from the RVI interface? Cheers,Ashvin

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Re: EX4200 RVI, forwarding option, Gateway an virtual IP error

Hi gumberamit I can ping 10.72.0.53 from cisco, no problem with that10.72.53 is the firewall, I understand it has some rules inside to forward traffic but...should I get this IP as the default gateway?   

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Re: EX4200 Firewall Filter on A VLAN

Just to follow up on this. I did get this working ...  Applied the filter to the RVI for outbound. Inbound did nothing. Thanks all.. Just one more piece to this ...  I added a counter to the block-rdp...

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Re: EX4200 Firewall Filter on A VLAN

Hi, There are some limitations with egress filters on EX.You could have achieved the same result as the output filter by applying the filter as input on all ingress interfaces but its a bit more...

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Re: EX4200 Firewall Filter on A VLAN

Thanks Ashvin ...  Did the trick. I found out which system was hammering away on 3389. A Sys Admin who was testing a new monitoring system that did a check on the RDP 3389 port.  Kuods!

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Configuring Member Ports in VC

Hi All, I setup a standalone switch with all relevant vlans and switch configurations needed before creating a VC. I then created a VC by adding two additional ex4300s and configured one as a backup...

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Re: Configuring Member Ports in VC

Hi, Can you share ouput of "show virtual-chassis status". Cheers,Ashvin

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