Monthly Archives: September 2015

F5 sending packets to wrong destination?

Problem: You have a network with two upstream routers and an F5 LTM loadbalancer. Even though the default gateway points to router R1 the F5 LTM sends packets to the mac address of R2. Discussion: “This is a feature not a … Continue reading

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MLPPP over L2TP over Ethernet Channel Groups on Cisco ASR

  Problem: After upgrading an ethernet port to a channel-group, all MLPPP connections fail on a Cisco ASR 1002-X. The log file looks like this: Jul 31 2015 07:04:44.801 CEST: Vi4 PPP: Phase is AUTHENTICATING, Authenticated User Jul 31 2015 07:04:44.801 … Continue reading

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