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Re: Hyper-V DUP! Ping

Hello,Are You sure You are NOT pinging the broadcast IP? DUP! happens when a subnet broadcast IP, such as 192.168.0.255 for 182.168.0.0/24 subnet, is pinged.Assuming You are not pinging broadcast IP,...

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A QinQ problem with QFX5100

Hello, I have a mixed VC (QFX5100 and 3500) with 14.1X53-D40.8. There's an interface that incapsulates C-VLANs into S-VLAN:set interfaces ae31 flexible-vlan-tagging set interfaces ae31 mtu 9216 set...

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Re: Evaluation Upgrade EX2300-C to EX2300 or EX3400 or EX4300

This is really a question you should be asking your local partner and/or Juniper rep, but if it was me, I would recommend going with the EX3400 option and then daisy chain the EX2300-C off of it.  Yes...

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Re: ip-source-guard/dhcp security blocking lease renewals

I understand what dhcp-snooping, source-guard, DAI should do as we've been doing it with our Cisco gear for years. The problem I'm running into is that even when the dhcp snooping database is built, I...

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Re: ip-source-guard/dhcp security blocking lease renewals

Which product and with what code release, please?

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Re: ip-source-guard/dhcp security blocking lease renewals

ex4300code version 17.1R1.8 I've gotten conflicting reports about doing souce guard on both vlans. I'm ok with just doing DAI on voice vlan for now. I know that with version 17 just turning on...

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Re: ip-source-guard/dhcp security blocking lease renewals

Also, the switch doesn't seem to pick up on the phones renewing their leases on the t1 timer (sometimes not even t2 timers. Lease comes close to exprining or does and the client hast o rebind resulting...

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Re: ip-source-guard/dhcp security blocking lease renewals

Does have the dhcp relay configured on the same switch matter? 

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How to Begin Troubleshooting Slow Network Issues

Greetings, Although I've been working in IT and with networking for 10 years, I'm still fairly new to the world of switching and routing.  Our network has grown to the point that it's about a mid size...

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Re: How to Begin Troubleshooting Slow Network Issues

I've been in networking now for 38 years and I have that 'slow network performance' is 99.9% related to packet loss/drops.  Some where in your path packets are being dropped, maybe via congestion or...

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Re: ip-source-guard/dhcp security blocking lease renewals

Seeing the behavior on ex3400 hundred as well. Binding is in the table. DAI still dropping things. May 17 09:54:00 2250-ex3400 dc-pfe: DAI FAILED: ARP REQUEST received, interface ge-0/0/36.0 [index...

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Re: ip-source-guard/dhcp security blocking lease renewals

Same behavior on EX3400 is likely as similar implementation I believe.  Do you have a TAC case number open for this? I do not believe relay-agent on switch, that is switch having L3, or external,...

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Re: ip-source-guard/dhcp security blocking lease renewals

I do, the case number is 2017-0516-0819Actually the second one I've opened about this. Didn't really get anywhere with the first one and gave up. I can't really find somone who knows this feature...

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Re: How to Begin Troubleshooting Slow Network Issues

As already stated I would look for errors on both sides of the like Cisco and Juniper. If the uplink is a dot1q trunk make sure you turn off dtp and switch port negotiation on the cisco side. I've seen...

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Re: 4300 J-web logon immediate session expire

I know this is a long dead thread, but just in case anyone stumbles across it like I just did here's the fix that worked for me. I found KB30618 which outlines updating file permissions that may have...

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Re: How to Begin Troubleshooting Slow Network Issues

Thanks for your response.  I did discover that my router is dropping packets when we're up around 1 Gbps, and it confuses me that packets are being routed when they're not crossing VLANs.  Do you have...

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Re: A QinQ problem with QFX5100

Hello, Are there any suggestions?Am I the only one who experienced a problem like this? Kind regards.

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Unable to open J-Web in EX-3200

Dear All, I want to access the switch through Web. But I am unable to do it. I have been configured through ezsetup, I configured the http port 80 in ge-o/o/o.o port. But no posivitive result. At the...

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Re: Unable to open J-Web in EX-3200

Hi, Try to download it here:  https://www.juniper.net/support/downloads/?p=jweb Then you can FTP it to var/tmp and then do therequest system software add /var/tmp/<package name>

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Storm Control Config SRX

Hi allI am unable to find and config storm control feature in SRX 240/ 210. If any one can help me in this regard like the feature available in EX series switchesset ethernet-switching options...

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