组网不涉及
不涉及
现场方案组网开局,S12504G-AF( R7624P12 )的DRNI配置后出现keepalive状态down,主设备上Keepalive报文debug只有发没有收。
===============display drni keepalive===============
Neighbor keepalive link status (cause): Down (Local Rx timeout)
Neighbor is alive for: N/A
Keepalive packet transmission status:
Sent: Successful
Received: Failed
Last received keepalive packet information:
Source IP address: N/A
Time: N/A
Action: N/A
(1)在02设备上debug drni keepalive报文只有发没有收,但是流统结果显示Keepalive报文已经到交换机了。
<GZXY-805-BIZ-12504-2>*Jun 7 18:06:57:454 2022 GZXY-805-BIZ-12504-2 DRNI/7/KplvPacket: -MDC=1; Keepalive packet with length 51 was sent.
19 00 19 00 00 33 00 00 01 00 04 0a 64 2f c7 c4
26 00 00 01 00 0a 08 18 43 e8 80 00 a0 69 d9 44
ca 00 02 00 ff ff ff ff 00 02 00 00 00 00 ff ff
0c 01 02
*Jun 7 18:06:58:454 2022 GZXY-805-BIZ-12504-2 DRNI/7/KplvPacket: -MDC=1; Keepalive packet with length 51 was sent.
*Jun 7 18:06:59:454 2022 GZXY-805-BIZ-12504-2 DRNI/7/KplvPacket: -MDC=1; Keepalive packet with length 51 was sent.
*Jun 7 18:07:00:454 2022 GZXY-805-BIZ-12504-2 DRNI/7/KplvPacket: -MDC=1; Keepalive packet with length 51 was sent.
*Jun 7 18:07:01:454 2022 GZXY-805-BIZ-12504-2 DRNI/7/KplvPacket: -MDC=1; Keepalive packet with length 51 was sent.
(2)进一步排查看交换机上UDP端口6402,6403,6404在占用,当前设备版本Keepalive报文默认占用6400端口号,6400是属于可用端口号的第一个,但是当前版本并未将6400预留出给Keepalive报文使用。6402等当前被占用说明6400之前也被占用过,只是当前已释放,虽然释放了但是无法直接启用该端口号。
<GZXY-805-BIZ-12504-2>dis udp
Local Addr:port Foreign Addr:port Slot Cpu PCB
0.0.0.0:161 0.0.0.0:0 4 0 0xffffffffffffffa3
0.0.0.0:6402 0.0.0.0:0 4 0 0xffffffffffffffa2
0.0.0.0:6403 0.0.0.0:0 4 0 0xffffffffffffffa5
0.0.0.0:6404 0.0.0.0:0 4 0 0x0000000000222141
Distributed relay keepalive parameters:
Destination IP address: 14.9.1.12
Source IP address: 14.9.1.13
Keepalive UDP port : 6400
Keepalive
VPN name : auto-online-mlag
1. 指定keepalive报文端口号,保持本地和对端端口号一致。
drni keepalive ip destination xxxx source xxxx udp-port xxx
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