IOS-XR が動作するルータ上で、DHCP IPv4 relay の設定を行う場合、その profile 毎の helper-address の設定可能な数は、8 helper-adress までとなっていました。
上限を超えた場合、以下のように commit が失敗します。
|
設定例
dhcp ipv4
profile TEST-profile relay
helper-address vrf default 192.168.0.1
helper-address vrf default 192.168.0.2
helper-address vrf default 192.168.0.3
helper-address vrf default 192.168.0.4
helper-address vrf default 192.168.0.5
helper-address vrf default 192.168.0.6
helper-address vrf default 192.168.0.7
helper-address vrf default 192.168.0.8
helper-address vrf default 192.168.0.9
!
interface TenGigE0/0/0/0 relay profile TEST-profile |
|
上記を設定した場合の commit 失敗例
RP/0/RP0/CPU0:IOS-XR(config-dhcpv4-relay-profile)#commit
% Failed to commit one or more configuration items during a pseudo-atomic operation. All changes made have been reverted. Please issue 'show configuration failed [inheritance]' from this session to view the errors
RP/0/RP0/CPU0:IOS-XR(config-dhcpv4-relay-profile)#
RP/0/RP0/CPU0:IOS-XR(config-dhcpv4-relay-profile)#show configuration failed
!! SEMANTIC ERRORS: This configuration was rejected by
!! the system due to semantic errors. The individual
!! errors with each failed configuration command can be
!! found below.
dhcp ipv4
profile TEST-profile relay
helper-address vrf default 192.168.0.9
!!% 'ipv4-dhcpd' detected the 'warning' condition 'Error: Exceeded helper-address limit for this profile'
|
しかしながら、IOS-XR 6.2.1 以降で設定上限値が拡張されており、profile 毎に最大で 32 の helper-address を設定することが出来ます。
