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Ingress & Egress missing part

Dear Cisco Team,

I have some finding from the below capture which attached on my firewall.

From the ingress packet capture, please see the packet detail from 10.33.4.88 to 10.117.72.126. You can see under TCP options after “SACK permitted” an “Unknown (0x1e) (19 bytes)” field.

On the egress packet capture, my source 10.33.4.88 is Natted to 10.117.72.42, which is as desired. But under TCP options after “SACK permitted”, “Unknown (0x1e) (19 bytes)” field is missing.

so i need to know what is this problem and how we can solved it.

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Cisco Employee

Ingress & Egress missing part

Need ingress and egress captures in the form of pcap as well as the syslogs in debug level.

-Kureli

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