PAN-OS global counters for fragments include flow_ipfrag_recv, flow_ipfrag_merge and flow_ipfrag_frag, plus flow_fwd_ip_df for packets dropped because DF was set and MTU was exceeded.

Checked 2026-10-02

Vendor
Palo Alto Networks
Product
PAN-OS
Subsystem
global counters
Deployment
on-premises
Region
not restricted
Release range
versions not stated; article modified 2024-11-20
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting failed calls caused by large SIP messages over UDP: source note sip-fragmentation-troubleshooting-panos-frag-counters. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-fragmentation-troubleshooting-panos-frag-counters

BibTeX

@misc{warmtransfer-claim-sip-fragmentation-troubleshooting-panos-frag-counters,
  title  = {Troubleshooting failed calls caused by large SIP messages over UDP: source note sip-fragmentation-troubleshooting-panos-frag-counters},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-fragmentation-troubleshooting-panos-frag-counters},
  note   = {Source note sip-fragmentation-troubleshooting-panos-frag-counters, checked 2026-10-02}
}

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