summaryrefslogtreecommitdiff
path: root/lib/command.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/command.c')
-rw-r--r--lib/command.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/command.c b/lib/command.c
index 5335969fbc..e5e0623163 100644
--- a/lib/command.c
+++ b/lib/command.c
@@ -1962,7 +1962,15 @@ DEFUN (config_hostname,
struct cmd_token *word = argv[1];
if (!isalnum((int)word->arg[0])) {
- vty_out(vty, "Please specify string starting with alphabet\n");
+ vty_out(vty,
+ "Please specify string starting with alphabet or number\n");
+ return CMD_WARNING_CONFIG_FAILED;
+ }
+
+ /* With reference to RFC 1123 Section 2.1 */
+ if (strlen(word->arg) > HOSTNAME_LEN) {
+ vty_out(vty, "Hostname length should be less than %d chars\n",
+ HOSTNAME_LEN);
return CMD_WARNING_CONFIG_FAILED;
}