HP MSR2000/3000/4000 Router Series MPLS Command Reference

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3. Execute the undo sham-link command on the local device and the neighbor to remove the old key.
This operation can avoid attacks to the sham link that uses the old key and reduce bandwidth
consumption by key rollover.
Examples
# Create a sham link with the source address 1.1.1.1 and destination address 2.2.2.2.
<Sysname> system-view
[Sysname] ospf
[Sysname-ospf-1] area 0
[Sysname-ospf-1-area-0.0.0.0] sham-link 1.1.1.1 2.2.2.2
Related commands
display ospf sham-link
rr-filter
Use rr-filter to create an RR reflection policy so that only IBGP routes whose extended community attribute
matches the specified extended community list are reflected.
Use undo rr-filter to restore the default.
Syntax
rr-filter extended-community-number
undo rr-filter
Default
An RR does not filter reflected routes.
Views
BGP VPNv4 address family view
Predefined user roles
network-admin
Parameters
extended-community-number: Specifies an extended community number in the range of 1 to 199.
Usage guidelines
By configuring different RR reflection policies on RRs in a cluster, you can implement load balancing
among the RRs.
Examples
# In BGP VPNv4 address family view, configure the RR to only reflect VPNv4 routes with an extended
community number of 10.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] address-family vpnv4
[Sysname-bgp-vpnv4] rr-filter 10