Quick Tip: TOS Ping in JUNOS

I recently ran into an issue with Class of Service on an SRX device where DSCP markings on traffic we not being seen on an upstream router when going through an SRX. After running packet captures showing the DSCP-marked traffic leaving the SRX the customer still wanted to proceed with troubleshooting the SRX as being … Continue reading Quick Tip: TOS Ping in JUNOS

JNCIS-SP – Intro to IS-IS

While waiting to hear back on the results of my JNCIE-ENT exam I have decided to start learning about the service provider realm. In particular there are many techniques in the service provider realm that could be used to enhance the toolset of any engineer, and potentially can be used to re-think the architecture of … Continue reading JNCIS-SP – Intro to IS-IS