Did you figure this out?
Im struggling with the same issue, my prompt is working with IOS and IOS XR.
/(?m:^(?:[\w.\/]+\:)?(?:[\\w.-]+\@)?[\\w.-]+\\s?(?:\(config[^\)]*\))?\\s?(?:\(admin-config[^\)]*\))?\\s?[\$#>]\s?(?:\(enable\))?\\s*$)/
With $session->errmsg; i see that is timing out on $session->cmd('show clock'); on NXOS. on IOS and IOS XR it prints the output of the array. This is dump from Nexus switch 
> 0x00000: 73 68 6f 77  20 63 6c 6f  63 6b 0a                  show cl
+ock.
< 0x00000: 31 32 3a 35  32 3a 30 33  2e 37 30 32  20 53 56 47  12:52:0
+3.702 SVG
< 0x00010: 20 54 68 75  20 4f 63 74  20 31 38 20  32 30 31 38   Thu Oc
+t 18 2018
< 0x00020: 0a                                                  .

[download]
This is dump from IOS switch 
< 0x00000: 0d 0a 49 4f  53 53 57 49  54 43 48 23               ..IOSSW
+ITCH#
> 0x00000: 73 68 6f 77  20 63 6c 6f  63 6b 0a                  show cl
+ock.
< 0x00000: 73 68 6f 77  20 63 6c 6f  63 6b 0d 0a               show cl
+ock..
< 0x00000: 31 32 3a 35  34 3a 35 30  2e 35 30 30  20 53 56 47  12:54:5
+0.500 SVG
< 0x00010: 20 54 68 75  20 4f 63 74  20 31 38 20  32 30 31 38   Thu Oc
+t 18 2018
< 0x00020: 0d 0a 49 4f  53 53 57 49  54 43 48 23               ..IOSSW
+ITCH#

[download]

In reply to Re: Net::SSH2::Cisco and Nexus switches by Larry-W
in thread Net::SSH2::Cisco and Nexus switches by cnoyes72

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