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Questions tagged [juniper]

Juniper Networks is a networking technology company headquartered in Sunnyvale, California. They design and manufacture core and edge routers, as well as switches and security devices, most of which run their custom operating system JunOS.

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How does Juniper vlan.0 work with policies?

I'm trying to understand vlan.0 and Juniper policies. Referring to here: http://kb.juniper.net/InfoCenter/index?page=content&id=KB16667 According to the link above, it seems that if I use vlan.0, then if I add vlan.0 to untrusted or trusted, then…
user255469
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Arp attack on my network

We have a small network of around 100 laptop/desktops and around 20 servers (sounds an overkill but these servers provide service for all our external contractors too) and we have recently noticed that our Exchange CAS server has been hacked. The…
aniga
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juniper ex2200c get temperature via snmp

I have a juniper ex2200c and am trying to get the temperature via snmp. I'v tried this tutorial by juniper, but my switch doesn't seem to answer. snmpwalk -v 2c -c foobar23 192.168.1.10…
Momo
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Connecting to incoming VPN clients from local ip

I have a dynamic VPN set up on a SRX 220 running Junos 11.4R10.3 Clients can connect and access the protected resources, but systems on the local network can not access connected clients. Connections to them are routed on the default route out…
tkerwin
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Direct Link through Juniper Portal

We have a Juniper portal in front of our web applications. When we navigate to our primary URL (e.g., https://apps.ourdomain.com), everything routes properly to our primary web site. However, if we try to navigate directly to an application URL…
Mark A Johnson
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LAN routing without vlan tagging?

On my old Allied Telesis router I had a single interface for internal traffic. I had multiple networks talking on this one interface. For example 192.168.2.X was vlan 1-2, and 192.168.3.X was vlan 1-3. This was all achieved without any vlan…
tsjrl
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BOOTP on Juniper 4200 stack works one one subnet, not another

I have a Juniper Stack that connects vlans 10,11 and 50. 10 is servers, 11 is desktops and 50 management. Bootp is redirecting DHCP requests to a AD box on 10.x just fine for 50 vlan, and worked well for the 11 vlan for a few days then just stopped.…
Rohan
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Juniper 802.3ad Link between Switch and Router 3x link issue

We have a live 20Gbps link between our switch and router and we are trying to add another 10Gbps link to the LAG, we've changed all the settings on both end to add the third interface to the LAG yet it still shows 20Gbps no matter what we do. Does…
Joe
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Do you need to enable ALG features in order to NAT H323 traffic on a Juniper firewall?

Can you NAT H323 traffic if ALG features are disabled (ultimately disabled H323 traffic inspection capabilities), or is that feature required in order to NAT such traffic?
Wild Bill
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Issue Routing along IPSEC VPN

I am struggling to get two different subnets routing along a IPSec tunnel. The tunnel is between a Vyatta (6.5) and a Juniper firewall. The tunnel was initially created to route between a subnet in our office behind the Vyatta (10.150.0.0/24) to a…
boburob
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SRX220: Cant ping between hosts in directly attached networks through SRX

I have such lab: SRX220H and 2 hosts. Host1 (IP-address 192.168.1.100/24) connected to SRX interface ge-0/0/1 (interface address 192.168.1.1/24); Host2 (IP-address 10.10.1.100/24) connected to SRX interface ge-0/0/2 (interface address…
user170929
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Juniper Firewall SRX210 questions

Total newbie to Juniper. Okay, I've been messing with the web interface on a SRX210 Firewall for a few hours now and looking like I need specific help now. So the overall architecture is that I have a router connecting a remote office to the local…
Chef Flambe
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Junos Routes - Route Specificity vs Protocol

I am trying to load balance a router to send traffic over two uplinks (with equal capacity). I generated static routes for every /8 on the internet (for ipv4) and plugged it in. Unfortunately it does not appear to be having the desired effect. I…
Programster
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How do I span my WAN subnet to my L3 switch using SonicOS L2 bridge mode? (Sonicwall and JunOS)

I have two sets of ESXi hosts, one set for management and one for tenants. Each ESXi host has 8 nics and four vSwitches. All vSwitches are trunked via aggregated interfaces to a pair of EX in VC mode. I only have one ISP connection with a network…
alex9183
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DNS Server resolves external address,when vpn dns should resolve internal address

We have a special situation where Juniper Network Connect is used as VPN connection. When the VPN starts it creates the network adapter. When the vpn closes the network adapter disappears. Each time the Juniper Network Connect vpn creates the…
daboomer
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