[c-nsp] R: mpls + ipv4 route
Matteo Abrile
m.abrile at itelsi.com
Sat May 1 16:01:18 EDT 2010
>For some reason BGP is leaking prefixes to IGP, or there's some problem
>with the IGP deployment itself.
Now I know reason because bgp goes into mpls route, we use also ibgp between our core router, and as you tell that mpls by default assign label every route learn IGP.
What is way to stop learn by mpls of ibgp ??
>Can you show us output of 'sh ip route summary' and the config snippets
>of both any IGP configured on the box and BGP without neighbor-specific
>settings? I'd say anything with 'mpls' will also be useful.
sh ip route summary
IP routing table name is Default-IP-Routing-Table(0)
IP routing table maximum-paths is 32
Route Source Networks Subnets Overhead Memory (bytes)
connected 0 11 792 1584
static 2 1 216 432
ospf 1234 2 120 8784 17568
Intra-area: 24 Inter-area: 0 External-1: 0 External-2: 98
NSSA External-1: 0 NSSA External-2: 0
bgp 1234 136929 178004 22675176 46212920
External: 312639 Internal: 2294 Local: 0
internal 3663 8014644
Total 140596 178136 22684968 54247148
Removing Queue Size 0
This is extract of config:
mpls ldp neighbor 10.0.0.11 labels accept LDP-MPLS
mpls ldp discovery targeted-hello accept from LDP-MPLS
mpls ldp advertise-labels for LDP-MPLS
mpls label range 50 524000
mpls label protocol ldp
router ospf 1234
log-adjacency-changes
redistribute static subnets
passive-interface Vlan1001
passive-interface GigabitEthernet2/1
passive-interface FastEthernet3/3
passive-interface FastEthernet3/5
passive-interface FastEthernet3/6
network 10.0.0.10 0.0.0.0 area 200
network XXX 0.0.0.3 area 0
network XXX 0.0.0.3 area 200
network XXX 0.0.0.3 area 200
network XXX 0.0.0.3 area 200
network XXX 0.0.0.3 area 0
network XXX 0.0.0.3 area 0
network XXX 0.0.0.15 area 200
network XXX 0.0.0.15 area 200
network XXX 0.0.0.15 area 200
network XXX 0.0.0.255 area 200
network XXX 0.0.0.3 area 200
network XXX.72 0.0.0.3 area 200
network XXX 0.0.1.255 area 200
default-information originate always
router bgp 1234
no bgp enforce-first-as
bgp log-neighbor-changes
neighbor CUSTOMERS peer-group
neighbor CUSTOMERS version 4
neighbor PEER-M peer-group
neighbor PEER-M update-source FastEthernet3/6
neighbor PEER-M version 4
neighbor PEER-M-V6 peer-group
neighbor PEER-M-V6 update-source FastEthernet3/6
neighbor PEER-M-V6 version 4
neighbor 10.0.0.11 remote-as 1234
neighbor 10.0.0.11 update-source Loopback0
neighbor 10.0.0.11 version 4
neighbor 10.0.0.12 remote-as 1234
neighbor 10.0.0.12 update-source Loopback0
neighbor 10.0.0.12 version 4
neighbor 10.0.0.14 remote-as 1234
neighbor 10.0.0.14 update-source Loopback0
neighbor 10.0.0.14 version 4
neighbor 10.0.0.15 remote-as 1234
neighbor 10.0.0.15 update-source Loopback0
neighbor 10.0.0.15 version 4
address-family ipv4
neighbor PEER-M remove-private-as
neighbor PEER-M soft-reconfiguration inbound
neighbor PEER-M prefix-list AS1234-OUT out
neighbor PEER-M route-map M-IN in
neighbor 10.0.0.11 activate
neighbor 10.0.0.11 send-community both
neighbor 10.0.0.11 next-hop-self
neighbor 10.0.0.11 soft-reconfiguration inbound
neighbor 10.0.0.11 prefix-list AS1234-OUT out
neighbor 10.0.0.11 route-map IBGP-A-IN in
neighbor 10.0.0.11 send-label
neighbor 10.0.0.12 activate
neighbor 10.0.0.12 send-community both
neighbor 10.0.0.12 next-hop-self
neighbor 10.0.0.12 soft-reconfiguration inbound
neighbor 10.0.0.12 route-map IBGP-B-IN in
neighbor 10.0.0.12 send-label
neighbor 10.0.0.12 filter-list 1 out
neighbor 10.0.0.14 activate
neighbor 10.0.0.14 send-community both
neighbor 10.0.0.14 next-hop-self
neighbor 10.0.0.14 soft-reconfiguration inbound
neighbor 10.0.0.14 prefix-list AS1234-OUT out
neighbor 10.0.0.14 route-map IBGP-C-IN in
neighbor 10.0.0.14 send-label
neighbor 10.0.0.15 activate
neighbor 10.0.0.15 send-community both
neighbor 10.0.0.15 next-hop-self
neighbor 10.0.0.15 soft-reconfiguration inbound
neighbor 10.0.0.15 prefix-list AS1234-OUT out
neighbor 10.0.0.15 route-map IBGP-D-IN in
distance bgp 200 190 190
no auto-summary
no synchronization
network XX mask 255.255.240.0
network XX mask 255.255.254.0
exit-address-family
Thanks very much
Matteo
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