# Browser Channel Update - Network trace

tcpdump network trace of these channel updates show:

- 3936 total network packets were exchanged

- 3975 TCP packets to HTTP proxy

- 14 ARP packets (address translation)

- 7 UDP packets (ICMP and netbios net management)

Time taken:

- 4:19 minutes total over a 128K ISDN connection for 6 major HTTP sessions

- Over a dial-up line the connect time would be longer

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