[nsp] using /31s

[Bruce Pinsky]

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matthew zeier wrote:

| I'm missing a nugget of clue -
|
| edge2(config)#interface Serial6/0/4:0
| edge2(config-if)#ip address 216.23.183.248 255.255.255.254
| Bad mask /31 for address 216.23.183.248
| edge2(config-if)#ip address 216.23.183.249 255.255.255.254
| Bad mask /31 for address 216.23.183.249
| edge2(config-if)#ip address 216.23.183.250 255.255.255.254
| Bad mask /31 for address 216.23.183.250
| edge2(config-if)#ip address 216.23.183.251 255.255.255.254
| Bad mask /31 for address 216.23.183.251
|
| 216.23.183.0/24 is VSLM'd but has mostly /30s.  I have essentially two /30s
| left (216.23.183.248/30, 216.23.183.252/30) and figured I'd double that with
| /31s but I'm having issues with IOS accepting it.
|
|

What version IOS are you running on which platform?  Here are the supported
versions:

12.3(6)
12.3(5b)
12.3(4)XD
12.3(4)T3
12.3(3)B1
12.3(2)XF
12.3(2)XE
12.3(2)XC1
12.3(2)XB1
12.3(2)XA2
12.3(2)T4
12.3(1a)BW
12.3(1a)B
12.2(8)ZB8
12.2(8)YN1
12.2(8)T9
12.2(20)SW
12.2(20)S1
12.2(19)SW
12.2(18)S3
12.2(17b)SXA
12.2(17a)SX1
12.2(16)BX1
12.2(15)ZL1
12.2(15)ZJ3
12.2(15)T9
12.2(15)BX
12.2(14)SZ4
12.2(14)SY3
12.2(14)SX2
12.2(14)S6
12.2(13)ZH3
12.2(13)ZG
12.2(13)ZF2
12.2(13)ZE
12.2(13)ZD1
12.2(13)T9
12.2(11)YZ3
12.2(11)YV1
12.2(11)YU
12.2(11)YT2
12.2(11)YQ
12.2(11)T9
12.1(20)EO
12.1(20)EB
12.1(20)E
12.1(19)EO1
12.1(19)EB
12.1(19)EA1a
12.1(19)E2
12.1(14)EO
12.1(14)EB1
12.1(14)EA1a
12.1(14)E1
12.1(13)EB1
12.1(13)EA1c
12.1(13)E9
12.1(12c)EA1a
12.1(12c)E7
12.1(11)EA1a
12.1(11)AX
12.1(10)E6

- --
=========
bep

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