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-rw-r--r--packet/bgp/bgp.go36
1 files changed, 33 insertions, 3 deletions
diff --git a/packet/bgp/bgp.go b/packet/bgp/bgp.go
index babfd96f..ebab8712 100644
--- a/packet/bgp/bgp.go
+++ b/packet/bgp/bgp.go
@@ -2055,7 +2055,13 @@ func (er *EVPNEthernetAutoDiscoveryRoute) Serialize() ([]byte, error) {
}
func (er *EVPNEthernetAutoDiscoveryRoute) String() string {
- return fmt.Sprintf("[type:A-D][rd:%s][esi:%s][etag:%d][label:%d]", er.RD, er.ESI.String(), er.ETag, er.Label)
+ // RFC7432: BGP MPLS-Based Ethernet VPN
+ // 7.1. Ethernet Auto-discovery Route
+ // For the purpose of BGP route key processing, only the Ethernet
+ // Segment Identifier and the Ethernet Tag ID are considered to be part
+ // of the prefix in the NLRI. The MPLS Label field is to be treated as
+ // a route attribute as opposed to being part of the route.
+ return fmt.Sprintf("[type:A-D][rd:%s][esi:%s][etag:%d]", er.RD, er.ESI.String(), er.ETag)
}
func (er *EVPNEthernetAutoDiscoveryRoute) MarshalJSON() ([]byte, error) {
@@ -2165,7 +2171,15 @@ func (er *EVPNMacIPAdvertisementRoute) Serialize() ([]byte, error) {
}
func (er *EVPNMacIPAdvertisementRoute) String() string {
- return fmt.Sprintf("[type:macadv][rd:%s][esi:%s][etag:%d][mac:%s][ip:%s][labels:%v]", er.RD, er.ESI.String(), er.ETag, er.MacAddress, er.IPAddress, er.Labels)
+ // RFC7432: BGP MPLS-Based Ethernet VPN
+ // 7.2. MAC/IP Advertisement Route
+ // For the purpose of BGP route key processing, only the Ethernet Tag
+ // ID, MAC Address Length, MAC Address, IP Address Length, and IP
+ // Address fields are considered to be part of the prefix in the NLRI.
+ // The Ethernet Segment Identifier, MPLS Label1, and MPLS Label2 fields
+ // are to be treated as route attributes as opposed to being part of the
+ // "route".
+ return fmt.Sprintf("[type:macadv][rd:%s][etag:%d][mac:%s][ip:%s]", er.RD, er.ETag, er.MacAddress, er.IPAddress)
}
func (er *EVPNMacIPAdvertisementRoute) MarshalJSON() ([]byte, error) {
@@ -2241,6 +2255,12 @@ func (er *EVPNMulticastEthernetTagRoute) Serialize() ([]byte, error) {
}
func (er *EVPNMulticastEthernetTagRoute) String() string {
+ // RFC7432: BGP MPLS-Based Ethernet VPN
+ // 7.3. Inclusive Multicast Ethernet Tag Route
+ // ...(snip)... For the purpose of BGP route key
+ // processing, only the Ethernet Tag ID, IP Address Length, and
+ // Originating Router's IP Address fields are considered to be part of
+ // the prefix in the NLRI.
return fmt.Sprintf("[type:multicast][rd:%s][etag:%d][ip:%s]", er.RD, er.ETag, er.IPAddress)
}
@@ -2311,6 +2331,11 @@ func (er *EVPNEthernetSegmentRoute) Serialize() ([]byte, error) {
}
func (er *EVPNEthernetSegmentRoute) String() string {
+ // RFC7432: BGP MPLS-Based Ethernet VPN
+ // 7.4. Ethernet Segment Route
+ // For the purpose of BGP route key processing, only the Ethernet
+ // Segment ID, IP Address Length, and Originating Router's IP Address
+ // fields are considered to be part of the prefix in the NLRI.
return fmt.Sprintf("[type:esi][rd:%s][esi:%d][ip:%s]", er.RD, er.ESI, er.IPAddress)
}
@@ -2420,7 +2445,12 @@ func (er *EVPNIPPrefixRoute) Serialize() ([]byte, error) {
}
func (er *EVPNIPPrefixRoute) String() string {
- return fmt.Sprintf("[type:Prefix][rd:%s][esi:%s][etag:%d][prefix:%s/%d][gw:%s][label:%d]", er.RD, er.ESI.String(), er.ETag, er.IPPrefix, er.IPPrefixLength, er.GWIPAddress, er.Label)
+ // draft-ietf-bess-evpn-prefix-advertisement: IP Prefix Advertisement in EVPN
+ // 3.1 IP Prefix Route Encoding
+ // The RD, Eth-Tag ID, IP Prefix Length and IP Prefix will be part of
+ // the route key used by BGP to compare routes. The rest of the fields
+ // will not be part of the route key.
+ return fmt.Sprintf("[type:Prefix][rd:%s][etag:%d][prefix:%s/%d]", er.RD, er.ETag, er.IPPrefix, er.IPPrefixLength)
}
func (er *EVPNIPPrefixRoute) MarshalJSON() ([]byte, error) {