add bgp v6 and debug

docs/advance/with-bgp.en.md

@@ -32,10 +32,23 @@ wget https://raw.githubusercontent.com/kubeovn/kube-ovn/{{ variables.branch }}/y
 
 Modify the corresponding configuration in yaml:
 
+If you only have one switch:
+
 ```yaml
---neighbor-address=10.32.32.1
---neighbor-as=65030
---cluster-as=65000
+- --neighbor-address=10.32.32.254
+- --neighbor-ipv6-address=2409:AB00:AB00:2000::AFB:8AFE
+- --neighbor-as=65030
+- --cluster-as=65000
+```
+
+If you have a pair of switches:
+
+```yaml
+
+- --neighbor-address=10.32.32.252,10.32.32.253
+- --neighbor-ipv6-address=2409:AB00:AB00:2000::AFB:8AFC,2409:AB00:AB00:2000::AFB:8AFD
+- --neighbor-as=65030
+- --cluster-as=65000
 ```
 
 - `neighbor-address`: The address of the BGP Peer, usually the router gateway address.
@@ -267,3 +280,15 @@ is handled by a daemon such as `kube-proxy`. The annotation for Services only su
 - `graceful-restart-deferral-time`: BGP Graceful restart deferral time refer to RFC4724 4.1.
 - `passivemode`: The Speaker runs in Passive mode and does not actively connect to the peer.
 - `ebgp-multihop`: The TTL value of EBGP Peer, default is 1.
+
+## BGP routes debug
+
+```bash
+
+# show peer neighbor
+gobgp neighbor
+
+# show announced routes to one peer
+gobgp neighbor 10.32.32.254 adj-out
+
+```

docs/advance/with-bgp.md

@@ -3,7 +3,7 @@
 Kube-OVN 支持将 Pods、Subnets、Services 和 EIPs 的 IP 地址通过 BGP 协议向外部进行路由广播，从而使得外部可以直接访问到集群内的 IP 地址。
 如果需要使用该功能，需要在特定节点安装 `kube-ovn-speaker` 并对需要对外暴露的 Pod 或 Subnet 增加对应的 annotation。
 
-如果要在 EIP 上使用 BGP，需要使用特殊参数创建 VPC NAT Gateway，有关更多信息，请参阅[发布 EIPs](#eips)。
+如果要在 EIP 上使用 BGP，需要使用特殊参数创建 VPC NAT Gateway，有关更多信息，请参阅[发布 EIPs](#发布-eips)。
 
 ## 安装 kube-ovn-speaker
 
@@ -26,10 +26,23 @@ wget https://raw.githubusercontent.com/kubeovn/kube-ovn/{{ variables.branch }}/y
 
 修改 yaml 内相应配置：
 
+如果你只有一个交换机：
+
 ```yaml
---neighbor-address=10.32.32.1
---neighbor-as=65030
---cluster-as=65000
+- --neighbor-address=10.32.32.254
+- --neighbor-ipv6-address=2409:AB00:AB00:2000::AFB:8AFE
+- --neighbor-as=65030
+- --cluster-as=65000
+```
+
+如果你有一对交换机：
+
+```yaml
+
+- --neighbor-address=10.32.32.252,10.32.32.253
+- --neighbor-ipv6-address=2409:AB00:AB00:2000::AFB:8AFC,2409:AB00:AB00:2000::AFB:8AFD
+- --neighbor-as=65030
+- --cluster-as=65000
 ```
 
 - `neighbor-address`: BGP Peer 的地址，通常为路由器网关地址。
@@ -60,7 +73,7 @@ kubectl annotate pod sample ovn.kubernetes.io/bgp-
 kubectl annotate subnet ovn-default ovn.kubernetes.io/bgp-
 ```
 
-查看[发布策略](#_1)以了解如何通过设置注解来控制 BGP 对外发布策略。
+查看[发布策略](#发布策略)以了解如何通过设置注解来控制 BGP 对外发布策略。
 
 ## 发布 `ClusterIP` 类型 Service 路由
 
@@ -197,3 +210,15 @@ kubectl annotate eip sample ovn.kubernetes.io/bgp=true
 - `graceful-restart-deferral-time`: BGP Graceful restart deferral time 可参考 RFC4724 4.1。
 - `passivemode`: Speaker 运行在 passive 模式，不主动连接 peer。
 - `ebgp-multihop`: ebgp ttl 默认值为 1。
+
+## BGP routes debug
+
+```bash
+
+# show peer neighbor
+gobgp neighbor
+
+# show announced routes to one peer
+gobgp neighbor 10.32.32.254 adj-out
+
+```