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FTOS Configuration Guide for the C-Series - Force10 Networks

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In <strong>FTOS</strong>, <strong>the</strong>se origin codes appear as shown in Figure 341. The question mark (?) indicates an Origin<br />

code of INCOMPLETE. The lower case letter (i) indicates an Origin code of IGP.<br />

Figure 341 Origin attribute reported<br />

<strong>Force10</strong>#show ip bgp<br />

BGP table version is 0, local router ID is 10.101.15.13<br />

Status codes: s suppressed, d damped, h history, * valid, > best<br />

Path source: I - internal, a - aggregate, c - confed-external, r - redistributed, n - network<br />

Origin codes: i - IGP, e - EGP, ? - incomplete<br />

Network Next Hop Metric LocPrf Weight Path<br />

*> 7.0.0.0/29 10.114.8.33 0 0 18508 ?<br />

*> 7.0.0.0/30 10.114.8.33 0 0 18508 ?<br />

*> 9.2.0.0/16 10.114.8.33 10 0 18508 701 i<br />

AS Path<br />

The AS Path is <strong>the</strong> list of all Autonomous Systems that all <strong>the</strong> prefixes listed in <strong>the</strong> update have passed<br />

through. The local AS number is added by <strong>the</strong> BGP speaker when advertising to a eBGP neighbor.<br />

In <strong>FTOS</strong> <strong>the</strong> AS Path is shown in Figure 342. Note that <strong>the</strong> Origin attribute is shown following <strong>the</strong> AS Path<br />

in<strong>for</strong>mation.<br />

Figure 342 AS Path attribute reported<br />

<strong>Force10</strong>#show ip bgp paths<br />

Total 30655 Paths<br />

Address Hash Refcount Metric Path<br />

0x4014154 0 3 18508 701 3549 19421 i<br />

0x4013914 0 3 18508 701 7018 14990 i<br />

0x5166d6c 0 3 18508 209 4637 1221 9249 9249 i<br />

0x5e62df4 0 2 18508 701 17302 i<br />

0x3a1814c 0 26 18508 209 22291 i<br />

0x567ea9c 0 75 18508 209 3356 2529 i<br />

0x6cc1294 0 2 18508 209 1239 19265 i<br />

0x6cc18d4 0 1 18508 701 2914 4713 17935 i<br />

0x5982e44 0 162 18508 209 i<br />

0x67d4a14 0 2 18508 701 19878 ?<br />

0x559972c 0 31 18508 209 18756 i<br />

0x59cd3b4 0 2 18508 209 7018 15227 i<br />

0x7128114 0 10 18508 209 3356 13845 i<br />

0x536a914 0 3 18508 209 701 6347 7781 i<br />

0x2ffe884 0 1 18508 701 3561 9116 21350 i<br />

470 Border Gateway Protocol (BGP)

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