diff options
Diffstat (limited to 'docs/configuration')
| -rw-r--r-- | docs/configuration/protocols/ospf.md | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/docs/configuration/protocols/ospf.md b/docs/configuration/protocols/ospf.md index b3297b3d..767624a3 100644 --- a/docs/configuration/protocols/ospf.md +++ b/docs/configuration/protocols/ospf.md @@ -64,6 +64,31 @@ with the same router-ID! #### Optional +```{cfgcmd} set protocols ospf compatible rfc1583 + +{rfc}`2328`, the successor to {rfc}`1583`, suggests according to section +G.2 (changes) in section 16.4.1 a change to the path preference algorithm +that prevents possible routing loops that were possible in the old version +of OSPFv2. More specifically it demands that inter-area paths and +intra-area backbone path are now of equal preference but still both +preferred to external paths. + +This command should NOT be set normally. +``` + + +```{cfgcmd} set protocols ospf compatible rfc7474 + +Enable strict {rfc}`7474` sequence number validation for OSPFv2 +cryptographic authentication (MD5 and HMAC-SHA). Received packets must +then have a strictly increasing sequence number. + +When this option is not set, packets with equal sequence numbers are also +accepted. This is required for interoperability with implementations that +may reuse sequence numbers, such as Cisco NX-OS. +``` + + ```{cfgcmd} set protocols ospf default-information originate [always] [metric \<number\>] [metric-type \<1|2\>] [route-map \<name\>] Originate an AS-External (type-5) LSA describing a default route into all @@ -142,19 +167,6 @@ see ospf-shortcut-abr-02.txt ``` -```{cfgcmd} set protocols ospf parameters rfc1583-compatibility - -{rfc}`2328`, the successor to {rfc}`1583`, suggests according to section -G.2 (changes) in section 16.4.1 a change to the path preference algorithm -that prevents possible routing loops that were possible in the old version -of OSPFv2. More specifically it demands that inter-area paths and -intra-area backbone path are now of equal preference but still both -preferred to external paths. - -This command should NOT be set normally. -``` - - ```{cfgcmd} set protocols ospf interface \<interface\> passive [disable] This command specifies interface as passive. Passive interface advertises |