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[Sysname-bgp-af-vpls] rr-filter 10
sham-link
Description
Use the sham link command to configure a sham link.
Use the undo sham link command with no optional keyword to remove a sham link.
Use the undo sham link command with optional keywords to restore the defaults of the parameters for a
sham link.
If two PEs belong to the same AS and a backdoor link is present, a sham link can be established
between them.
For plain text authentication, the default authentication key type is plain. For authentication using MD5
algorithm or HMAC-MD5 algorithm, the default authentication key type is cipher.
Syntax
sham-link source-ip-address destination-ip-address [ cost cost | dead dead-interval | hello hello-interval |
retransmit retrans-interval | trans-delay delay | simple [ cipher | plain ] password1 | { md5 | hmac-
md5 } key-id [ cipher | plain ] password2 ] *
undo sham-link source-ip-address destination-ip-address [ cost | dead | hello | retransmit | trans-delay
| simple | { md5 | hmac-md5 } key-id ] *
View
OSPF area view
Default level
2: System level
Parameters
source-ip-address: Specifies the source IP address for the sham link.
destination-ip-address: Specifies the destination IP address for the sham link.
cost: Specifies the cost for the sham link. It ranges from 1 to 65,535 and defaults to 1.
dead-interval: Specifies the dead Interval in seconds. It ranges from 1 to 32,768 and defaults to 40. It
must be equal to the dead interval of the router on the other end of the virtual link and be at least four
times the hello interval.
hello-interval: Specifies the interval at which the interface sends hello packets. It ranges from 1 to 8192
seconds and defaults to 10 seconds. It must be equal to the hello interval of the router on the other end of
the virtual link.
retrans-interval: Specifies the interval at which the interface retransmits LSAs. It ranges from 1 to 8192
seconds and defaults to 5 seconds.
delay: Specifies the delay interval before the interface sends an LSA. It ranges from 1 to 8192 seconds
and defaults to 1 second.
simple [ cipher | plain ] password1: Uses simple authentication. If you specify neither the cipher nor the
plain keyword, the password1 parameter is a string of 1 to 8 characters. For the plain mode, the
password1 parameter is a string of 1 to 8 characters. For the cipher mode, the password1 parameter can
be either a string of 1 to 8 characters in plain text, or a string of 24 characters in cipher text.
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