Cisco Bug: CSCum44943 - ip mtu adjust should consider Ns/Nr 4-bytes sequencing field
Apr 17, 2019
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
Symptom: ip mtu adjust feature should consider Ns/Nr 4-bytes sequencing field for auto calculation of vaccess mtu at LNS in the case where LAC wants to enable data packet sequencing by sending "Sequencing Required" AVP in ICCN towards LNS. Now, the 4-bytes are not considered for the auto calculation of vaccess mtu at LNS in such a case. Then, data packets having Ns/Nr 4-bytes sequencing fields in L2TP header may need to be fragmented after encapsulation at LNS. Conditions: - "ip mtu adjust" is configured under the vdpn-group. - In a case where LAC wants to enable data packet sequencing by sending "Sequencing Required" AVP in ICCN towards LNS.
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