es の DHCP 化

[sorah]

MACアドレスでがんばるのたいへんそう (vlan interfaceのMACアドレスは設定順とかに依存) とおもってたけど、以下でらくらくいけそう

es-exp-01(config-if)#do show run int vlan1000
Building configuration...

Current configuration : 64 bytes
!
interface Vlan1000
 ip address dhcp hostname rk-srnp19a1
end

こういうdhcp request くる

09:12:40.391554 IP (tos 0x0, ttl 59, id 55860, offset 0, flags [none], proto UDP (17), length 392)
    10.33.100.254.67 > 10.33.155.64.67: [udp sum ok] BOOTP/DHCP, Request from 00:29:c2:41:de:41, length 364, xid 0x16d2, Flags [Broadcast] (0x8000)
          Gateway-IP 10.33.100.254
          Client-Ethernet-Address 00:29:c2:41:de:41
          Vendor-rfc1048 Extensions
            Magic Cookie 0x63825363
            DHCP-Message (53), length 1: Discover
            MSZ (57), length 2: 1152
            Client-ID (61), length 28: "cisco-0029.c241.de41-Vl1000"
            Hostname (12), length 11: "rk-srnp19a1"
            Parameter-Request (55), length 8:
              Subnet-Mask (1), Domain-Name-Server (6), Domain-Name (15), Netbios-Name-Server (44)
              Default-Gateway (3), Static-Route (33), TFTP-Server-Address (150), Vendor-Option (43)
            Vendor-Class (60), length 8: "ciscopnp"
            Agent-Information (82), length 51:
              Circuit-ID SubOption 1, length 22: cs-01-venue:ae2.0:mgmt
              Unknown SubOption 9, length 25:
                0x0000:  0000 0a4c 1404 1249 5242 2d69 7262 2e31
                0x0010:  3030 303a 6165 322e 30
            END (255), length 0
        0x0000:  4500 0188 da34 0000 3b11 8fb0 0a21 64fe  E....4..;....!d.
        0x0010:  0a21 9b40 0043 0043 0174 a989 0101 0600  .!.@.C.C.t......
        0x0020:  0000 16d2 0000 8000 0000 0000 0000 0000  ................
        0x0030:  0000 0000 0a21 64fe 0029 c241 de41 0000  .....!d..).A.A..
        0x0040:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x0050:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x0060:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x0070:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x0080:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x0090:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x00a0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x00b0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x00c0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x00d0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x00e0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x00f0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
        0x0100:  0000 0000 0000 0000 6382 5363 3501 0139  ........c.Sc5..9
        0x0110:  0204 803d 1c00 6369 7363 6f2d 3030 3239  ...=..cisco-0029
        0x0120:  2e63 3234 312e 6465 3431 2d56 6c31 3030  .c241.de41-Vl100
        0x0130:  300c 0b72 6b2d 7372 6e70 3139 6131 3708  0..rk-srnp19a17.
        0x0140:  0106 0f2c 0321 962b 3c08 6369 7363 6f70  ...,.!.+<.ciscop
        0x0150:  6e70 5233 0116 6373 2d30 312d 7665 6e75  npR3..cs-01-venu
        0x0160:  653a 6165 322e 303a 6d67 6d74 0919 0000  e:ae2.0:mgmt....
        0x0170:  0a4c 1404 1249 5242 2d69 7262 2e31 3030  .L...IRB-irb.100
        0x0180:  303a 6165 322e 30ff                      0:ae2.0.