North American Network Operators Group|
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical
Re: Networks dropping all ICMP
On Tue, 9 Sep 2003, Andrew Staples wrote: > A certain network last week decided to drop *all* icmp traffic across its > network for an indefinate period of time. They did this to reduce the > effects of Nachi. Apparently (their) Redback DSL concentrators cannot > filter only 92 byte packets, it's all or none. > Does anyone else care to respond publicly or privately with data about other > networks filtering all icmp traffic, not just malformed icmp? I'd like to > compile a list for troubleshooting, as these decisions are breaking things > for some customers. All? As in ... breaking path mtu discovery?