Sure. There is no firewalls in the path. There is an MPLS network between the switch and the dhcp server.. .
workstation <->3750 w/DHCP Relay <->Router<->MPLS<->Router<->3750<-> DHCP
Has been working fine for over a year now. Talked to the MPLS provider and they see no issues on their hardware
errdisable recovery cause udld
errdisable recovery cause bpduguard
errdisable recovery cause security-violation
errdisable recovery cause channel-misconfig (STP)
errdisable recovery cause pagp-flap
errdisable recovery cause dtp-flap
errdisable recovery cause link-flap
errdisable recovery cause sfp-config-mismatch
errdisable recovery cause gbic-invalid
errdisable recovery cause l2ptguard
errdisable recovery cause psecure-violation
errdisable recovery cause port-mode-failure
errdisable recovery cause dhcp-rate-limit
errdisable recovery cause pppoe-ia-rate-limit
errdisable recovery cause mac-limit
errdisable recovery cause vmps
errdisable recovery cause storm-control
errdisable recovery cause inline-power
errdisable recovery cause arp-inspection
errdisable recovery cause loopback
errdisable recovery cause small-frame
!
vlan internal allocation policy ascending
!
!
class-map match-all AUTOQOS_VOIP_DATA_CLASS
match ip dscp ef
class-map match-all AUTOQOS_DEFAULT_CLASS
match access-group name AUTOQOS-ACL-DEFAULT
class-map match-all AUTOQOS_VOIP_SIGNAL_CLASS
match ip dscp cs3
!
!
policy-map AUTOQOS-SRND4-CISCOPHONE-POLICY
class AUTOQOS_VOIP_DATA_CLASS
set dscp ef
police 128000 8000 exceed-action policed-dscp-transmit
class AUTOQOS_VOIP_SIGNAL_CLASS
set dscp cs3
police 32000 8000 exceed-action policed-dscp-transmit
class AUTOQOS_DEFAULT_CLASS
set dscp default
police 10000000 8000 exceed-action policed-dscp-transmit
!
!
!
interface FastEthernet0
no ip address
no ip route-cache cef
no ip route-cache
no ip mroute-cache
shutdown
!
interface GigabitEthernet0/1
switchport access vlan 2
switchport trunk encapsulation dot1q
switchport trunk native vlan 2
switchport trunk allowed vlan 2,31
switchport mode trunk
switchport voice vlan 31
srr-queue bandwidth share 1 30 35 5
priority-queue out
mls qos trust device cisco-phone
mls qos trust cos
auto qos voip cisco-phone
storm-control broadcast level 1.00
storm-control action shutdown
spanning-tree portfast
spanning-tree bpduguard enable
spanning-tree guard root
service-policy input AUTOQOS-SRND4-CISCOPHONE-POLICY
!
! ect etc etc
interface GigabitEthernet0/47
description MPLS
switchport access vlan 102
switchport mode access
storm-control broadcast level 1.00
storm-control action shutdown
!
interface Vlan1
ip address 10.43.40.1 255.255.255.0
!
interface Vlan2
ip address 172.8.2.3 255.255.255.0
ip helper-address 10.40.11.21
ip helper-address 10.42.11.21
!
interface Vlan31
ip address 172.8.1.3 255.255.255.0
ip helper-address 10.42.11.21
ip helper-address 10.40.11.21
!
interface Vlan44
description BAY_EXT
ip address 172.29.44.2 255.255.255.0
!
interface Vlan102
description VLAN_MPLS
ip address 172.18.1.26 255.255.255.248
ip ospf hello-interval 5
!
router ospf 1
log-adjacency-changes
auto-cost reference-bandwidth 10000
redistribute static metric 1000 subnets
network 10.43.0.0 0.0.255.255 area 0
network 172.18.1.26 0.0.0.0 area 0
network 172.8.1.0 0.0.0.255 area 0
network 172.8.2.0 0.0.0.255 area 0
network 172.9.44.0 0.0.0.255 area 0
!
ip classless
ip route 0.0.0.0 0.0.0.0 172.18.1.25
ip http server
ip http secure-server
!
ip access-list extended AUTOQOS-ACL-DEFAULT
permit ip any any
