Juniper SRX300 with Telekom VDSL Connection Issues due to MTU/MSS
A misconfiguration caused website access issues on a Juniper SRX300 with Telekom VDSL. Adjusting MTU/MSS resolved the problem.
Telekom
Setting up Juniper SRX300 on a Telekom VDSL with PPoE
Guide to configure Juniper SRX firewall with Telekom VDSL using VDSL modem. Clear steps for setup.