Hi all,
I have a question regarding load balancing. I have three PEs, namely PE1, PE2
and PE3. They all have CPEs connected to them for the same VPN. MPLS and VPN
operation is working fine. I am trying to achive loadbalancing by using
different route distinguishers. I have a static route "1.1.1.1/32" in this VPN
on both PE1 and PE2. PE1 and PE2 have different route distinguishers to make
these routes distinct.
In PE3's BGP configuration both PE1 and PE2 are in the same group which has
multipath enabled. When i examine the output of "show bgp neighbor ..." i see
multipath option for both PEs. In addition to this, i have load-balance per
packet policy under routing options -> forwarding options.
Unfortunately only one of the routes is getting installed. The output of show
route table VPN 1.1.1.1/32 extensive yields "Inactive reason: Router ID". I can
not figure out what is missing or if multipath is an applicable approach to
this issue.
Regards.
sinani@<PE3>> show route table VPN 1.1.1.1 extensive
VPN.inet.0: 18 destinations, 46 routes (18 active, 0 holddown, 0 hidden)
1.1.1.1/32 (6 entries, 1 announced)
TSI:
KRT in-kernel 1.1.1.1/32 -> {indirect(262746)}
*BGP Preference: 170/-101
Route Distinguisher: <rd of PE1>
Next-hop reference count: 21
Source: <loopback of PE1>
Next hop: via ds-0/0/5:1.0 weight 0x1, selected
Label-switched-path <LSP to PE1>
Label operation: Push 100416, Push 751217(top)
Protocol next hop: <loopback of PE1>
Push 100416
Indirect next hop: 8f020cc 262746
State: <Secondary Active Int Ext>
Local AS: <MyASN> Peer AS: <MyASN>
Age: 11:51:42 Metric2: 50
Task: BGP_15924....+2613
Announcement bits (1): 0-KRT
AS path: I ()
Communities: <vrf target of VPN>
VPN Label: 100416
Localpref: 100
Router ID: <loopback of PE1>
Primary Routing Table bgp.l3vpn.0
BGP Preference: 170/-101
Route Distinguisher: <rd of PE2>
Next-hop reference count: 20
Source: <loopback of PE2>
Next hop: via ds-0/0/4:1.0 weight 0x1, selected
Label-switched-path <LSP to PE2>
Label operation: Push 484805
Protocol next hop: <loopback of PE2>
Push 484805
Indirect next hop: 8fe78c4 262526
State: <Secondary NotBest Int Ext>
Inactive reason: Router ID
Local AS: <MyASN> Peer AS: <MyASN>
Age: 11:51:42 Metric2: 50
Task: BGP_15924....+1034
AS path: I ()
Communities: <vrf target of VPN>
VPN Label: 484805
Localpref: 100
Router ID: <loopback of PE2>
Primary Routing Table bgp.l3vpn.0
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