MSR3660 作为DHCP客户端获取不到地址
问题描述：
求助：使用WAC360 WAN接口作为DHCP 客户端可以获取到地址，但是使用MSR 3660却无法获取到地址。debug中AC可以收到服务器发来的BOOTPREPLY，而MSR3660收不到。
版本： version 7.1.064, Release 0605P10
设置：
interface GigabitEthernet0/2
port link-mode route
description Multiple_Line
mtu 1400
ip address DHCP-alloc
tcp mss 1024
nat outbound
3660debug信息：看到应该是服务器没有回BOOTPREPLY
*Jul 20 18:07:29:693
To 255.255.255.255 port 67, interface GigabitEthernet0/2
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 3064209889
Seconds: 0, Broadcast flag: 1
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 9c06-1b9a-8812
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jul 20 18:07:29:694
GigabitEthernet0/2: Successfully sent DHCPDISCOVER packet.
*Jul 20 18:07:42:693
To 255.255.255.255 port 67, interface GigabitEthernet0/2
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 3064209889
Seconds: 0, Broadcast flag: 1
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 9c06-1b9a-8812
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jul 20 18:07:42:694
GigabitEthernet0/2: Successfully sent DHCPDISCOVER packet.
*Jul 20 18:07:43:693
GigabitEthernet0/2: Beginning to detect IP address conflict via ARP.
*Jul 20 18:07:43:694
GigabitEthernet0/2: Successfully sent ARP request for address 169.254.136.21.
*Jul 20 18:07:44:693
GigabitEthernet0/2: Successfully sent ARP request for address 169.254.136.21.
*Jul 20 18:07:45:693
GigabitEthernet0/2: Received no ARP reply for 169.254.136.21, so the IP address is available.
WAC360 的debug信息：
*Jul 20 19:36:26:742
GigabitEthernet1/0/5: Send a DHCP packet...
Head: op (BOOTPREQUEST); htype (ETHERNET); hlen (6); xid (0xa1c8850);
ciaddr (0.0.0.0); yiaddr (0.0.0.0); chaddr (b0f9-6391-d381);
Options:
63 82 53 63 35 01 01 0C 02 41 43 32 04 2A 02 D7
36 37 08 01 79 03 06 0F 21 2B 8A 39 02 04 80 3C
0F 48 33 43 2E 20 48 33 43 20 57 41 43 33 36 30
3D 24 00 62 30 66 39 2E 36 33 39 31 2E 64 33 38
31 2D 47 69 67 61 62 69 74 45 74 68 65 72 6E 65
74 31 2F 30 2F 35 FF
*Jul 20 19:36:26:742
GigabitEthernet1/0/5: Sending DHCPDISCOVER packet succeeded.
*Jul 20 19:36:26:743
GigabitEthernet1/0/5: FSM state transfers (INIT-->SELECTING) successfully.
*Jul 20 19:36:26:750
GigabitEthernet1/0/5: Receive a packet.
*Jul 20 19:36:26:750
GigabitEthernet1/0/5: Receive a DHCP packet...
Head: op (BOOTPREPLY); htype (ETHERNET); hlen (6); xid (0xa1c8850);
ciaddr (0.0.0.0); yiaddr (42.2.215.54); chaddr (b0f9-6391-d381);
Option: type (DHCPOFFER); mask (255.255.255.0); lease (1800);
T1 (900); T2 (1575); server (168.70.124.254); default router (42.2.215.254); DNS (218.102.23.77); DNS (218.102.62.71);
*Jul 20 19:36:26:750
GigabitEthernet1/0/5: Select 168.70.124.254 as the server.
(0)
最佳答案
已采纳 风干工程师肉干要不要 风干工程师肉干要不要 九段 粉丝：137人 关注：5人是不是server做了mac地址绑定？你把36的mac改成WAC360的MAC试一下，接口下配置mac-address
(0)
看信息是对端没有回复offer报文，得看对端对discover报文是怎么处理的，而且看WA360的报文，它发的是BOOTP协议，不是DHCP协议
风干工程师肉干要不要 发表时间：额！不要盗用我的结论好不好？
巡山的大王 发表时间：
问题找到了，从WAC设备debug看服务器回复的是boot报文，所以在MSR3660上需要写ip address bootp-alloc ，而不是ip address dhcp-alloc。也是牛逼现在竟然有人用bootp?真的醉了！
(0)
我看WAC360用的也想BOOTP，写评论的时候，你就找到问题原因了，666
风干工程师肉干要不要 发表时间：666666
巡山的大王 发表时间：,MSR3660 作为DHCP客户端获取不到地址版权声明：我们致力于保护作者版权，注重分享，本文内容及图片(只作为美观性配图使用)由CRM小助手整理收集与网络(无任何非法侵犯第三方意图)，仅供学习参考交流使用，不代表CRM论坛观点。如有侵权,请联系我们,我们将及时删除处理。
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