Author Archives: danmassey99

Juniper SRX ADSL setup with Draytek 130 Modem

The next challenge is to add a second DSL account onto the same SRX110 or in the case of the SRX300 just add a DSL connection. The SRX300 has no PIM slots so cannot get a DSL card added. The … Continue reading

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Juniper SRX ADSL setup

This is the first post on WAN connection setups. I’ll be using and SRX110 was it has a built in ADSL/VDSL port. I’ll be connecting to a dynamic IP ADSL service based in the UK. The service is a BT … Continue reading

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Netapp Replace a failed drive : 7-Mode

Here at work we are dedicated Netapp zealots, so are fully bought into to Ontap. That said there are occasions when we need to replace a drive in a 7Mode appliance which give us all the shivers was we left … Continue reading

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Cisco Dynamic L2L VPN setup

Todays challenge is to set up an L2L VPN tunnel between an Cisco ASA running IKEv1 and Cisco 927 with a dynamic IP address. The 927 is behind a NAT firewall so needs to be managed through the tunnel so … Continue reading

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Juniper VRRP setup

I know Cisco support VRRP and GRRP but I’ve always used HSRP as my redundant gateway of choice. In the scope of the JN0-348 the only redundant gateway is VRRP (Virtual Router Redundancy Protocol). Its similar to HSRP so should … Continue reading

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Juniper SRX – I just want a router!

Working on the JN0-348 exam prep requires a router or two for BGP, IS-IS and other stuff that is not supported on an EX switch. Step forward the SRX 320 firewall which does all the good stuff and has a … Continue reading

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Juniper Switch Security pt 1 – DHCP Snooping

Full disclosure I’m on the ELS platform so the old fashioned ‘easy way’ is not available here. The task is to secure the switch using DHCP Snooping to protect ourselves against rogue DHCP servers popping up. When the feature is … Continue reading

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Juniper Redundant Trunk Groups

After the success of the LAG configuration comes the RTG or Redundant Trunk Group. This seems to be similar to using a Cisco backup interface. On a stacked switch setup like a c3850 or c3750 you would definitely used a … Continue reading

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Juniper LAG (Etherchannel)

Coming from a Cisco background its seems unnecessarily difficult and complicated to set up a couple of ports into an ether channel configuration on my pair of test Juniper EX2300s. That said the test for the JNCIS-ENT is looming so … Continue reading

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Cisco ASA Site to Site VPN with dynamic IP addresses

Today’s problem is a new customer office opening ahead of their scheduled MPLS installation. We need to connect them back into their VPN via their existing hosted Cisco ASA. The internet connection at the new office is at this point … Continue reading

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