This is the Peering information for the IX.br (PTT.br) Route Servers. There are two route servers per IXP for redundancy purposes in Caxias do Sul For IX.br (PTT.br) Caxias do Sul we recommend a maximum-prefixes setting 7K for IPv4 and 3K for IPv6 The following communities are implemented: Do not advertise the prefix for ASNxx: * 16-bit ASN: 65000:ASNxx * 32-bit ASN: RT: 65000: ASNxx or RO:65000:ASNxx Announce the prefix for ASNxx only: * 16-bit ASN: 65001:ASNxx * 32-bit ASN: RT:65001:ASNxx or RO:65001:ASNxx Add one prepend in the AS-Path of the prefixes sent to the ASNxx * 16-bit ASN use the communitie 64601: ASNxx * 32-bit ASN use the communitie RT:64601:ASNxx or RO:64601:ASNxx Add two prepends in the AS-Path of the prefixes sent to the ASNxx * 16-bit ASN: 64602:ASNxx * 32-bit ASN: RT:64602:ASNxx or RO:64602:ASNxx Add three prepends in the AS-Path of the prefixes sent to the ASNxx * 16-bit ASN: 64603:ASNxx * 32-bit ASN: RT:64603:ASNxx or RO:64603:ASNxx Communitie to identify the ASN that sent the prefix to the route server: * 16-bit ASN: 26162:SOURCE_ASN * 32-bit ASN: RT:26162:SOURCE_ASN or * 32-bit ASN: RO:26162:SOURCE_ASN Communities added by the route server to identify the location where the prefix was received: * 16-bit ASN: 26162:65054 * 32-bit ASN: RT:26162:65054 or RO:26162:65054